What is the best way to travel from Portsmouth to Cardiff?
Looking for a trip? Compare all the available Buses and Trains for the journey to Cardiff from Portsmouth. Check between different modes of transportation, look for the cheapest tickets, fastest rides and most popular stations, and see all 2 available companies to find your perfect trip!
What is the cheapest way to reach Cardiff from Portsmouth?
You can get to Cardiff with just $13 by taking a Bus from National Express, but you can find many more cheap offers: we have selected the best ones for next few days here for you.
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National Express6h 50m02:55 PMPortsmouthThe Hard Interchange9:45 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 2:55:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/6/2025 9:45:00 PM. 50 Economy ticket for $26 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05 AMPortsmouthThe Hard Interchange6:30 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 11:05:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/6/2025 6:30:00 PM. 50 Economy ticket for $30 per person are available. Travel duration is 7h 25m
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National Express7h 40m03:20 AMPortsmouthThe Hard Interchange11:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 3:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/6/2025 11:00:00 AM. 50 Economy ticket for $46 per person are available. Travel duration is 7h 40m
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National Express7h 20m07:50 AMPortsmouthThe Hard Interchange3:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 7:50:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/6/2025 3:10:00 PM. 50 Economy ticket for $46 per person are available. Travel duration is 7h 20m
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National Express5h 30m08:10 PMPortsmouthThe Hard Interchange1:40 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 8:10:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 1:40:00 AM. 50 Economy ticket for $52 per person are available. Travel duration is 5h 30m
Cheapest Buses Wednesday
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National Express7h 25m011:05 AMPortsmouthThe Hard Interchange6:30 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 11:05:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 6:30:00 PM. 50 Economy ticket for $18 per person are available. Travel duration is 7h 25m
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National Express6h 50m02:55 PMPortsmouthThe Hard Interchange9:45 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 2:55:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 9:45:00 PM. 50 Economy ticket for $20 per person are available. Travel duration is 6h 50m
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National Express7h 20m07:50 AMPortsmouthThe Hard Interchange3:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 7:50:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 3:10:00 PM. 50 Economy ticket for $24 per person are available. Travel duration is 7h 20m
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National Express7h 10m09:20 AMPortsmouthThe Hard Interchange4:30 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 9:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 4:30:00 PM. 50 Economy ticket for $39 per person are available. Travel duration is 7h 10m
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National Express5h 30m08:10 PMPortsmouthThe Hard Interchange1:40 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 8:10:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/8/2025 1:40:00 AM. 50 Economy ticket for $42 per person are available. Travel duration is 5h 30m
Cheapest Buses Thursday
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South Western Railway3h 55m05:50 AMPortsmouthHarbour Train Station9:45 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/8/2025 5:50:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/8/2025 9:45:00 AM. 50 Economy ticket for $102 per person are available. Travel duration is 3h 55m
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South Western Railway3h 39m05:00 AMPortsmouthPortsmouth & Southsea Station8:39 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/8/2025 5:00:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/8/2025 8:39:00 AM. 50 Economy ticket for $238 per person are available. Travel duration is 3h 39m
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South Western Railway3h 40m05:55 AMPortsmouthPortsmouth & Southsea Station9:35 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/8/2025 5:55:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/8/2025 9:35:00 AM. 50 Economy ticket for $238 per person are available. Travel duration is 3h 40m
Cheapest Trains Friday
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National Express7h 40m03:20 AMPortsmouthThe Hard Interchange11:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 3:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/9/2025 11:00:00 AM. 50 Economy ticket for $30 per person are available. Travel duration is 7h 40m
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National Express6h 15m06:45 PMPortsmouthThe Hard Interchange1:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 6:45:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 1:00:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 6h 15m
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National Express6h 40m012:35 PMPortsmouthThe Hard Interchange7:15 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 12:35:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/9/2025 7:15:00 PM. 50 Economy ticket for $33 per person are available. Travel duration is 6h 40m
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National Express6h 50m03:25 PMPortsmouthThe Hard Interchange10:15 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 3:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/9/2025 10:15:00 PM. 50 Economy ticket for $37 per person are available. Travel duration is 6h 50m
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National Express6h 30m07:40 AMPortsmouthThe Hard Interchange2:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 7:40:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/9/2025 2:10:00 PM. 50 Economy ticket for $46 per person are available. Travel duration is 6h 30m
Cheapest Buses Saturday
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National Express7h 40m03:20 AMPortsmouthThe Hard Interchange11:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 3:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 11:00:00 AM. 50 Economy ticket for $13 per person are available. Travel duration is 7h 40m
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National Express6h 15m06:45 PMPortsmouthThe Hard Interchange1:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 6:45:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 1:00:00 AM. 50 Economy ticket for $14 per person are available. Travel duration is 6h 15m
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National Express6h 50m03:25 PMPortsmouthThe Hard Interchange10:15 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 3:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 10:15:00 PM. 50 Economy ticket for $18 per person are available. Travel duration is 6h 50m
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National Express6h 30m07:40 AMPortsmouthThe Hard Interchange2:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 7:40:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 2:10:00 PM. 50 Economy ticket for $21 per person are available. Travel duration is 6h 30m
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National Express6h 0m01:50 PMPortsmouthThe Hard Interchange7:50 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 1:50:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 7:50:00 PM. 50 Economy ticket for $39 per person are available. Travel duration is 6h 0m
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South Western Railway4h 9m08:32 AMPortsmouthHarbour Train Station12:41 PMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/10/2025 8:32:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/10/2025 12:41:00 PM. 50 Economy ticket for $59 per person are available. Travel duration is 4h 9m
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South Western Railway4h 24m08:17 AMPortsmouthHarbour Train Station12:41 PMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/10/2025 8:17:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/10/2025 12:41:00 PM. 50 Economy ticket for $102 per person are available. Travel duration is 4h 24m
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South Western Railway3h 51m07:37 AMPortsmouthPortsmouth & Southsea Station11:28 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/10/2025 7:37:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/10/2025 11:28:00 AM. 50 Economy ticket for $167 per person are available. Travel duration is 3h 51m
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South Western Railway4h 1m08:32 AMPortsmouthHarbour Train Station12:33 PMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/10/2025 8:32:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/10/2025 12:33:00 PM. 50 Economy ticket for $167 per person are available. Travel duration is 4h 1m
Cheapest Buses Sunday
Cheapest Trains Sunday
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National Express6h 15m06:45 PMPortsmouthThe Hard Interchange1:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 6:45:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 1:00:00 AM. 50 Economy ticket for $21 per person are available. Travel duration is 6h 15m
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National Express6h 50m03:25 PMPortsmouthThe Hard Interchange10:15 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 3:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 10:15:00 PM. 50 Economy ticket for $28 per person are available. Travel duration is 6h 50m
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National Express7h 0m012:35 PMPortsmouthThe Hard Interchange7:35 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 12:35:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 7:35:00 PM. 50 Economy ticket for $29 per person are available. Travel duration is 7h 0m
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National Express6h 50m07:20 AMPortsmouthThe Hard Interchange2:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 7:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 2:10:00 PM. 50 Economy ticket for $44 per person are available. Travel duration is 6h 50m
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National Express5h 55m04:45 PMPortsmouthThe Hard Interchange10:40 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 4:45:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 10:40:00 PM. 50 Economy ticket for $53 per person are available. Travel duration is 5h 55m
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South Western Railway3h 55m05:50 AMPortsmouthHarbour Train Station9:45 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/11/2025 5:50:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/11/2025 9:45:00 AM. 50 Economy ticket for $102 per person are available. Travel duration is 3h 55m
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South Western Railway3h 39m05:00 AMPortsmouthPortsmouth & Southsea Station8:39 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/11/2025 5:00:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/11/2025 8:39:00 AM. 50 Economy ticket for $237 per person are available. Travel duration is 3h 39m
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South Western Railway3h 40m05:55 AMPortsmouthPortsmouth & Southsea Station9:35 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/11/2025 5:55:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/11/2025 9:35:00 AM. 50 Economy ticket for $237 per person are available. Travel duration is 3h 40m
Cheapest Buses Monday
Cheapest Trains Monday
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National Express6h 50m02:55 PMPortsmouthThe Hard Interchange9:45 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 2:55:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 9:45:00 PM. 50 Economy ticket for $28 per person are available. Travel duration is 6h 50m
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National Express7h 20m07:50 AMPortsmouthThe Hard Interchange3:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 7:50:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 3:10:00 PM. 50 Economy ticket for $37 per person are available. Travel duration is 7h 20m
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National Express7h 25m011:05 AMPortsmouthThe Hard Interchange6:30 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 11:05:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 6:30:00 PM. 50 Economy ticket for $40 per person are available. Travel duration is 7h 25m
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National Express5h 30m08:10 PMPortsmouthThe Hard Interchange1:40 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 8:10:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/13/2025 1:40:00 AM. 50 Economy ticket for $52 per person are available. Travel duration is 5h 30m
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National Express5h 45m012:55 PMPortsmouthThe Hard Interchange6:40 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 12:55:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 6:40:00 PM. 50 Economy ticket for $55 per person are available. Travel duration is 5h 45m
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South Western Railway3h 55m05:50 AMPortsmouthHarbour Train Station9:45 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/12/2025 5:50:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/12/2025 9:45:00 AM. 50 Economy ticket for $101 per person are available. Travel duration is 3h 55m
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South Western Railway3h 39m05:00 AMPortsmouthPortsmouth & Southsea Station8:39 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/12/2025 5:00:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/12/2025 8:39:00 AM. 50 Economy ticket for $236 per person are available. Travel duration is 3h 39m
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South Western Railway3h 40m05:55 AMPortsmouthPortsmouth & Southsea Station9:35 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/12/2025 5:55:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/12/2025 9:35:00 AM. 50 Economy ticket for $236 per person are available. Travel duration is 3h 40m
Cheapest Buses Tuesday
Cheapest Trains Tuesday
What are the fastest trips from Portsmouth to Cardiff?
You can get to Cardiff from Portsmouth in just 3h 39m with a Train from South Western Railway. This is not the only option, and you can click on any of the offers below to compare it with the other modes of transportations.
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National Express5h 30m08:10 PMPortsmouthThe Hard Interchange1:40 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 8:10:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 1:40:00 AM. 50 Economy ticket for $52 per person are available. Travel duration is 5h 30m
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National Express6h 50m02:55 PMPortsmouthThe Hard Interchange9:45 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 2:55:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/6/2025 9:45:00 PM. 50 Economy ticket for $26 per person are available. Travel duration is 6h 50m
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National Express7h 20m07:50 AMPortsmouthThe Hard Interchange3:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 7:50:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/6/2025 3:10:00 PM. 50 Economy ticket for $46 per person are available. Travel duration is 7h 20m
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National Express7h 25m011:05 AMPortsmouthThe Hard Interchange6:30 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 11:05:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/6/2025 6:30:00 PM. 50 Economy ticket for $30 per person are available. Travel duration is 7h 25m
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National Express7h 40m03:20 AMPortsmouthThe Hard Interchange11:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/6/2025 3:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/6/2025 11:00:00 AM. 50 Economy ticket for $46 per person are available. Travel duration is 7h 40m
Fastest Buses Wednesday
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National Express5h 30m08:10 PMPortsmouthThe Hard Interchange1:40 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 8:10:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/8/2025 1:40:00 AM. 50 Economy ticket for $42 per person are available. Travel duration is 5h 30m
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National Express6h 50m02:55 PMPortsmouthThe Hard Interchange9:45 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 2:55:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 9:45:00 PM. 50 Economy ticket for $20 per person are available. Travel duration is 6h 50m
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National Express7h 10m09:20 AMPortsmouthThe Hard Interchange4:30 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 9:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 4:30:00 PM. 50 Economy ticket for $39 per person are available. Travel duration is 7h 10m
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National Express7h 20m07:50 AMPortsmouthThe Hard Interchange3:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 7:50:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 3:10:00 PM. 50 Economy ticket for $24 per person are available. Travel duration is 7h 20m
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National Express7h 25m011:05 AMPortsmouthThe Hard Interchange6:30 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/7/2025 11:05:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/7/2025 6:30:00 PM. 50 Economy ticket for $18 per person are available. Travel duration is 7h 25m
Fastest Buses Thursday
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South Western Railway3h 39m05:00 AMPortsmouthPortsmouth & Southsea Station8:39 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/8/2025 5:00:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/8/2025 8:39:00 AM. 50 Economy ticket for $238 per person are available. Travel duration is 3h 39m
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South Western Railway3h 40m05:55 AMPortsmouthPortsmouth & Southsea Station9:35 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/8/2025 5:55:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/8/2025 9:35:00 AM. 50 Economy ticket for $238 per person are available. Travel duration is 3h 40m
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South Western Railway3h 55m05:50 AMPortsmouthHarbour Train Station9:45 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/8/2025 5:50:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/8/2025 9:45:00 AM. 50 Economy ticket for $102 per person are available. Travel duration is 3h 55m
Fastest Trains Friday
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National Express6h 15m06:45 PMPortsmouthThe Hard Interchange1:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 6:45:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 1:00:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 6h 15m
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National Express6h 30m07:40 AMPortsmouthThe Hard Interchange2:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 7:40:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/9/2025 2:10:00 PM. 50 Economy ticket for $46 per person are available. Travel duration is 6h 30m
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National Express6h 40m012:35 PMPortsmouthThe Hard Interchange7:15 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 12:35:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/9/2025 7:15:00 PM. 50 Economy ticket for $33 per person are available. Travel duration is 6h 40m
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National Express6h 50m03:25 PMPortsmouthThe Hard Interchange10:15 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 3:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/9/2025 10:15:00 PM. 50 Economy ticket for $37 per person are available. Travel duration is 6h 50m
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National Express7h 40m03:20 AMPortsmouthThe Hard Interchange11:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/9/2025 3:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/9/2025 11:00:00 AM. 50 Economy ticket for $30 per person are available. Travel duration is 7h 40m
Fastest Buses Saturday
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South Western Railway3h 51m07:37 AMPortsmouthPortsmouth & Southsea Station11:28 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/10/2025 7:37:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/10/2025 11:28:00 AM. 50 Economy ticket for $167 per person are available. Travel duration is 3h 51m
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South Western Railway4h 1m08:32 AMPortsmouthHarbour Train Station12:33 PMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/10/2025 8:32:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/10/2025 12:33:00 PM. 50 Economy ticket for $167 per person are available. Travel duration is 4h 1m
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South Western Railway4h 9m08:32 AMPortsmouthHarbour Train Station12:41 PMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/10/2025 8:32:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/10/2025 12:41:00 PM. 50 Economy ticket for $59 per person are available. Travel duration is 4h 9m
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South Western Railway4h 24m08:17 AMPortsmouthHarbour Train Station12:41 PMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/10/2025 8:17:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/10/2025 12:41:00 PM. 50 Economy ticket for $102 per person are available. Travel duration is 4h 24m
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National Express6h 0m01:50 PMPortsmouthThe Hard Interchange7:50 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 1:50:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 7:50:00 PM. 50 Economy ticket for $39 per person are available. Travel duration is 6h 0m
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National Express6h 15m06:45 PMPortsmouthThe Hard Interchange1:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 6:45:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 1:00:00 AM. 50 Economy ticket for $14 per person are available. Travel duration is 6h 15m
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National Express6h 30m07:40 AMPortsmouthThe Hard Interchange2:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 7:40:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 2:10:00 PM. 50 Economy ticket for $21 per person are available. Travel duration is 6h 30m
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National Express6h 50m03:25 PMPortsmouthThe Hard Interchange10:15 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 3:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 10:15:00 PM. 50 Economy ticket for $18 per person are available. Travel duration is 6h 50m
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National Express7h 40m03:20 AMPortsmouthThe Hard Interchange11:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/10/2025 3:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/10/2025 11:00:00 AM. 50 Economy ticket for $13 per person are available. Travel duration is 7h 40m
Fastest Trains Sunday
Fastest Buses Sunday
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South Western Railway3h 39m05:00 AMPortsmouthPortsmouth & Southsea Station8:39 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/11/2025 5:00:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/11/2025 8:39:00 AM. 50 Economy ticket for $237 per person are available. Travel duration is 3h 39m
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South Western Railway3h 40m05:55 AMPortsmouthPortsmouth & Southsea Station9:35 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/11/2025 5:55:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/11/2025 9:35:00 AM. 50 Economy ticket for $237 per person are available. Travel duration is 3h 40m
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South Western Railway3h 55m05:50 AMPortsmouthHarbour Train Station9:45 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/11/2025 5:50:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/11/2025 9:45:00 AM. 50 Economy ticket for $102 per person are available. Travel duration is 3h 55m
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National Express5h 55m04:45 PMPortsmouthThe Hard Interchange10:40 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 4:45:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 10:40:00 PM. 50 Economy ticket for $53 per person are available. Travel duration is 5h 55m
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National Express6h 15m06:45 PMPortsmouthThe Hard Interchange1:00 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 6:45:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 1:00:00 AM. 50 Economy ticket for $21 per person are available. Travel duration is 6h 15m
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National Express6h 50m03:25 PMPortsmouthThe Hard Interchange10:15 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 3:25:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 10:15:00 PM. 50 Economy ticket for $28 per person are available. Travel duration is 6h 50m
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National Express6h 50m07:20 AMPortsmouthThe Hard Interchange2:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 7:20:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 2:10:00 PM. 50 Economy ticket for $44 per person are available. Travel duration is 6h 50m
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National Express7h 0m012:35 PMPortsmouthThe Hard Interchange7:35 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/11/2025 12:35:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/11/2025 7:35:00 PM. 50 Economy ticket for $29 per person are available. Travel duration is 7h 0m
Fastest Trains Monday
Fastest Buses Monday
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South Western Railway3h 39m05:00 AMPortsmouthPortsmouth & Southsea Station8:39 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/12/2025 5:00:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/12/2025 8:39:00 AM. 50 Economy ticket for $236 per person are available. Travel duration is 3h 39m
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South Western Railway3h 40m05:55 AMPortsmouthPortsmouth & Southsea Station9:35 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 8/12/2025 5:55:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/12/2025 9:35:00 AM. 50 Economy ticket for $236 per person are available. Travel duration is 3h 40m
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South Western Railway3h 55m05:50 AMPortsmouthHarbour Train Station9:45 AMCardiffCentral Station0EconomyA Train from South Western Railway goes from Harbour Train Station, Portsmouth (United Kingdom) at 8/12/2025 5:50:00 AM to Central Station, Cardiff (United Kingdom) arriving at 8/12/2025 9:45:00 AM. 50 Economy ticket for $101 per person are available. Travel duration is 3h 55m
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National Express5h 30m08:10 PMPortsmouthThe Hard Interchange1:40 AMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 8:10:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/13/2025 1:40:00 AM. 50 Economy ticket for $52 per person are available. Travel duration is 5h 30m
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National Express5h 45m012:55 PMPortsmouthThe Hard Interchange6:40 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 12:55:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 6:40:00 PM. 50 Economy ticket for $55 per person are available. Travel duration is 5h 45m
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National Express6h 50m02:55 PMPortsmouthThe Hard Interchange9:45 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 2:55:00 PM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 9:45:00 PM. 50 Economy ticket for $28 per person are available. Travel duration is 6h 50m
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National Express7h 20m07:50 AMPortsmouthThe Hard Interchange3:10 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 7:50:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 3:10:00 PM. 50 Economy ticket for $37 per person are available. Travel duration is 7h 20m
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National Express7h 25m011:05 AMPortsmouthThe Hard Interchange6:30 PMCardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 8/12/2025 11:05:00 AM to Coach Station, Cardiff (United Kingdom) arriving at 8/12/2025 6:30:00 PM. 50 Economy ticket for $40 per person are available. Travel duration is 7h 25m
Fastest Trains Tuesday
Fastest Buses Tuesday
Here you will find all operators and timetables for a
Bus from Portsmouth to Cardiff
What are the most popular stations in Portsmouth and Cardiff?
In Portsmouth, you will usually depart from City Shops South (Stop D) Bus Station, Gunwharf or Southsea Hoverport, while in Cardiff you will be arriving at Central Station, Bus Interchange or National Museum, but there are many more stops to explore in both locations.
How do I decide? Some tips and tricks from our experience
Are you having trouble deciding on how to get to Cardiff from Portsmouth? With 6 connections between 2 Bus and Train operators, it can be difficult to find the one ride that will make you happy. But we have some tips that can help you make the best informed decision. First of all, the best trip is always the one that meets all your needs, so make a list of all the things that you want from this journey and look for something that will satisfy all of them. Here we will go through some of the factors mostly commonly taken into consideration.
Look for the lowest price
Ticket price is usually the main concern: even if you can afford to pay more, why do it if there are cheaper options? Saving on the trip means that you can spend more on the vacation itself! Between Portsmouth and Cardiff, you can pay as low as $13 with a Bus from National Express.Travel duration
Time is also an important factor. An earlier departure may allow you to see a beautiful sunset or relax before an important event. And remember, time is money, so paying more for a shorter trip may be well worth it. For longer distances, flights are without doubt the best options, but be mindful of airport times and possible delays: a high-speed train may end up cheaper and faster! Here the quicker option is definitely the Train from South Western Railway: you will get to Cardiff in just 3h 39m.Comfort makes all the difference
You should always take into account what your personal travelling preferences are. Is one hand luggage enough, or are you trasporting more? Would you like to have a snack during the journey? Can you relax in a busy compartment, or do you need space for yourself? Even among the same mode of transportation, different companies will offer you varying levels of comfort and amenities. The main operators connecting Portsmouth and Cardiff are National Express and South Western Railway, but be sure to check what they have to offer!Save money with deals, and always compare
One last tip? Even if you live in Portsmouth and Cardiff is your only destination, it may be wise to check the offers from and to nearby cities or, if you are flyng, nearby airports. Check the trips from Hilsea or to Newlyn, and look at flights from Southampton Airport, and landing at Cardiff Airport. Comparing different routes may allow you to find deals or promotions you were not aware of. Consider also signing up to CheckMyBus to see even more exclusive promotions!Which companies offer a trip from Portsmouth to Cardiff?
The most popular companies between Portsmouth and Cardiff, are National Express and South Western Railway. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: National Express
Train companies: South Western Railway
All you need to know when you travel from Portsmouth to Cardiff
Check all information on comfort and services on all modes of transports from Portsmouth to Cardiff. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Portsmouth to Cardiff
How can I reach Cardiff from Portsmouth?
Every day, there are on average 6 connections between Bus and Train, with which you can get to Cardiff from Portsmouth.
How far is Cardiff from Portsmouth?
The distance between Portsmouth and Cardiff is 101.8 miles.
What is the most ecofriendly mode of transport between Portsmouth and Cardiff?
Trains and buses are by far the greenest options, with trains surpassing buses on longer routes. Planes will always be the worst polluters, especially in shorter flights, were the emissions from the takeoff and landing are less offset by the distance.
On this particular route, a bus will emit, per person, a total of 4 kgs of CO2, a train 6 kgs, a car 28 kgs, and a flight 40 kgs.
What is the cheapest mode of transport from Portsmouth to Cardiff?
You can get to Cardiff with just $13 by taking a Bus from National Express.
What is the fastest way to get from Portsmouth to Cardiff?
While a plane is travelling fastest boarding and transfer to airport consumes a lot of time. Usually, high speed trains are better than flights if pure train travel time is below 4 hours. For this particular route, you can get to Cardiff in just 3h 39m with a Train from South Western Railway.
More routes to Portsmouth and to Cardiff
Looking for more options? Here you can see the most popular routes to Portsmouth and to Cardiff. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Portsmouth
- Birkenhead to Portsmouth
- Birmingham to Portsmouth
- Bournemouth to Portsmouth
- Bradford to Portsmouth
- Brighton to Portsmouth
- Bristol to Portsmouth
- Cambridge to Portsmouth
- Cardiff to Portsmouth
- Edinburgh to Portsmouth
- Exeter to Portsmouth
- Glasgow to Portsmouth
- Leeds to Portsmouth
- London to Portsmouth
- Loughborough to Portsmouth
- Manchester to Portsmouth
- Newcastle upon Tyne to Portsmouth
- Oxford to Portsmouth
- Poole to Portsmouth
- Reading to Portsmouth
- Southampton to Portsmouth
- Trips to Cardiff
- Amsterdam to Cardiff
- Bangor to Cardiff
- Bath to Cardiff
- Birmingham to Cardiff
- Blackpool to Cardiff
- Bournemouth to Cardiff
- Bradford to Cardiff
- Brighton to Cardiff
- Exeter to Cardiff
- Glasgow to Cardiff
- Leicester to Cardiff
- Liverpool to Cardiff
- Middlesbrough to Cardiff
- Newcastle upon Tyne to Cardiff
- Norwich to Cardiff
- Nottingham to Cardiff
- Sheffield to Cardiff
- Southall to Cardiff
- Southampton to Cardiff
- Swansea to Cardiff
- Swindon to Cardiff
- Taunton to Cardiff
- Tenby to Cardiff