What is the best way to travel from Cardiff to Portsmouth?
Looking for a trip? Compare all the available Buses, Carpool and Trains for the journey to Portsmouth from Cardiff. 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 Portsmouth from Cardiff?
You can get to Portsmouth with just $20 by taking a Carpool from BlaBlaCar, 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 Express7h 10m012:30 PMCardiffCoach Station7:40 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/18/2025 12:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/18/2025 7:40:00 PM. 50 Economy ticket for $44 per person are available. Travel duration is 7h 10m
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National Express7h 0m07:15 PMCardiffCoach Station2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/18/2025 7:15:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/19/2025 2:15:00 AM. 50 Economy ticket for $44 per person are available. Travel duration is 7h 0m
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National Express7h 43m011:47 AMBristol AirportBristol Airport7:30 PMPortsmouthInternational Port0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/18/2025 11:47:00 AM to International Port, Portsmouth (United Kingdom) arriving at 12/18/2025 7:30:00 PM. 50 Economy ticket for $55 per person are available. Travel duration is 7h 43m
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National Express8h 0m04:30 PMCardiffCoach Station12:30 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/18/2025 4:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/19/2025 12:30:00 AM. 50 Economy ticket for $56 per person are available. Travel duration is 8h 0m
Cheapest Buses Thursday
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BlaBlaCar2h 20m010:30 AMBristol Airport12:50 PMPortsmouth0EconomyA Car from BlaBlaCar goes from , Bristol Airport (United Kingdom) at 12/19/2025 10:30:00 AM to , Portsmouth (United Kingdom) arriving at 12/19/2025 12:50:00 PM. 50 Economy ticket for $20 per person are available. Travel duration is 2h 20m
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National Express7h 5m07:13 PMBristol AirportBristol Airport2:18 AMPortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/19/2025 7:13:00 PM to University, Portsmouth (United Kingdom) arriving at 12/20/2025 2:18:00 AM. 50 Economy ticket for $47 per person are available. Travel duration is 7h 5m
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National Express7h 2m07:13 PMBristol AirportBristol Airport2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/19/2025 7:13:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/20/2025 2:15:00 AM. 50 Economy ticket for $47 per person are available. Travel duration is 7h 2m
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National Express7h 24m04:41 AMBristol AirportBristol Airport12:05 PMPortsmouthInternational Port0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/19/2025 4:41:00 AM to International Port, Portsmouth (United Kingdom) arriving at 12/19/2025 12:05:00 PM. 50 Economy ticket for $48 per person are available. Travel duration is 7h 24m
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National Express7h 45m012:55 PMBristol AirportBristol Airport8:40 PMPortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/19/2025 12:55:00 PM to University, Portsmouth (United Kingdom) arriving at 12/19/2025 8:40:00 PM. 50 Economy ticket for $56 per person are available. Travel duration is 7h 45m
Cheapest Carpool Friday
Cheapest Buses Friday
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National Express6h 20m05:55 AMCardiffCoach Station12:15 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/20/2025 5:55:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/20/2025 12:15:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 6h 20m
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National Express7h 10m07:45 AMCardiffCoach Station2:55 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/20/2025 7:45:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/20/2025 2:55:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 10m
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National Express7h 0m04:00 PMCardiffCoach Station11:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/20/2025 4:00:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/20/2025 11:00:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 0m
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National Express7h 0m05:30 PMCardiffCoach Station12:30 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/20/2025 5:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/21/2025 12:30:00 AM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 0m
Cheapest Buses Saturday
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National Express6h 20m05:55 AMCardiffCoach Station12:15 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/21/2025 5:55:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/21/2025 12:15:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 6h 20m
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National Express7h 10m07:45 AMCardiffCoach Station2:55 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/21/2025 7:45:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/21/2025 2:55:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 10m
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National Express7h 0m04:00 PMCardiffCoach Station11:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/21/2025 4:00:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/21/2025 11:00:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 0m
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National Express7h 0m05:30 PMCardiffCoach Station12:30 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/21/2025 5:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/22/2025 12:30:00 AM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 0m
Cheapest Buses Sunday
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National Express7h 25m07:30 AMCardiffCoach Station2:55 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/22/2025 7:30:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/22/2025 2:55:00 PM. 50 Economy ticket for $49 per person are available. Travel duration is 7h 25m
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National Express7h 15m03:45 PMCardiffCoach Station11:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/22/2025 3:45:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/22/2025 11:00:00 PM. 50 Economy ticket for $49 per person are available. Travel duration is 7h 15m
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National Express7h 0m05:30 PMCardiffCoach Station12:30 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/22/2025 5:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 12:30:00 AM. 50 Economy ticket for $49 per person are available. Travel duration is 7h 0m
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National Express6h 30m07:45 PMCardiffCoach Station2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/22/2025 7:45:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 2:15:00 AM. 50 Economy ticket for $49 per person are available. Travel duration is 6h 30m
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Great Western Railway (GWR)3h 18m012:30 PMCardiffCentral Station3:48 PMPortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 12/22/2025 12:30:00 PM to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 12/22/2025 3:48:00 PM. 50 Economy ticket for $100 per person are available. Travel duration is 3h 18m
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Great Western Railway (GWR)3h 18m01:30 PMCardiffCentral Station4:48 PMPortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 12/22/2025 1:30:00 PM to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 12/22/2025 4:48:00 PM. 50 Economy ticket for $100 per person are available. Travel duration is 3h 18m
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Great Western Railway (GWR)3h 17m02:30 PMCardiffCentral Station5:47 PMPortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 12/22/2025 2:30:00 PM to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 12/22/2025 5:47:00 PM. 50 Economy ticket for $100 per person are available. Travel duration is 3h 17m
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Great Western Railway (GWR)3h 18m03:30 PMCardiffCentral Station6:48 PMPortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 12/22/2025 3:30:00 PM to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 12/22/2025 6:48:00 PM. 50 Economy ticket for $100 per person are available. Travel duration is 3h 18m
Cheapest Buses Monday
Cheapest Trains Monday
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National Express7h 0m07:15 PMCardiffCoach Station2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/23/2025 7:15:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/24/2025 2:15:00 AM. 50 Economy ticket for $45 per person are available. Travel duration is 7h 0m
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National Express7h 0m09:00 AMCardiffCoach Station4:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/23/2025 9:00:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 4:00:00 PM. 50 Economy ticket for $53 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30 PMCardiffCoach Station7:40 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/23/2025 12:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 7:40:00 PM. 50 Economy ticket for $53 per person are available. Travel duration is 7h 10m
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National Express5h 25m05:25 AMCardiffCoach Station10:50 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/23/2025 5:25:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 10:50:00 AM. 50 Economy ticket for $70 per person are available. Travel duration is 5h 25m
Cheapest Buses Tuesday
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National Express7h 0m09:00 AMCardiffCoach Station4:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/24/2025 9:00:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/24/2025 4:00:00 PM. 50 Economy ticket for $55 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30 PMCardiffCoach Station7:40 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/24/2025 12:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/24/2025 7:40:00 PM. 50 Economy ticket for $55 per person are available. Travel duration is 7h 10m
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National Express8h 45m03:45 PMCardiffCoach Station12:30 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/24/2025 3:45:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/25/2025 12:30:00 AM. 50 Economy ticket for $55 per person are available. Travel duration is 8h 45m
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National Express5h 25m05:25 AMCardiffCoach Station10:50 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/24/2025 5:25:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/24/2025 10:50:00 AM. 50 Economy ticket for $89 per person are available. Travel duration is 5h 25m
Cheapest Buses Wednesday
What are the fastest trips from Cardiff to Portsmouth?
You can get to Portsmouth from Cardiff in just 2h 20m with a Carpool from BlaBlaCar. 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 Express6h 30m02:55 PMCardiffCoach Station9:25 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/18/2025 2:55:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/18/2025 9:25:00 PM. 50 Economy ticket for $58 per person are available. Travel duration is 6h 30m
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National Express7h 0m07:15 PMCardiffCoach Station2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/18/2025 7:15:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/19/2025 2:15:00 AM. 50 Economy ticket for $44 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30 PMCardiffCoach Station7:40 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/18/2025 12:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/18/2025 7:40:00 PM. 50 Economy ticket for $44 per person are available. Travel duration is 7h 10m
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National Express7h 43m011:47 AMBristol AirportBristol Airport7:30 PMPortsmouthInternational Port0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/18/2025 11:47:00 AM to International Port, Portsmouth (United Kingdom) arriving at 12/18/2025 7:30:00 PM. 50 Economy ticket for $55 per person are available. Travel duration is 7h 43m
Fastest Buses Thursday
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BlaBlaCar2h 20m010:30 AMBristol Airport12:50 PMPortsmouth0EconomyA Car from BlaBlaCar goes from , Bristol Airport (United Kingdom) at 12/19/2025 10:30:00 AM to , Portsmouth (United Kingdom) arriving at 12/19/2025 12:50:00 PM. 50 Economy ticket for $20 per person are available. Travel duration is 2h 20m
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National Express7h 2m07:13 PMBristol AirportBristol Airport2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/19/2025 7:13:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/20/2025 2:15:00 AM. 50 Economy ticket for $47 per person are available. Travel duration is 7h 2m
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National Express7h 5m07:13 PMBristol AirportBristol Airport2:18 AMPortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/19/2025 7:13:00 PM to University, Portsmouth (United Kingdom) arriving at 12/20/2025 2:18:00 AM. 50 Economy ticket for $47 per person are available. Travel duration is 7h 5m
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National Express7h 24m04:41 AMBristol AirportBristol Airport12:05 PMPortsmouthInternational Port0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/19/2025 4:41:00 AM to International Port, Portsmouth (United Kingdom) arriving at 12/19/2025 12:05:00 PM. 50 Economy ticket for $48 per person are available. Travel duration is 7h 24m
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National Express7h 40m012:55 PMBristol AirportBristol Airport8:35 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/19/2025 12:55:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/19/2025 8:35:00 PM. 50 Economy ticket for $56 per person are available. Travel duration is 7h 40m
Fastest Carpool Friday
Fastest Buses Friday
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National Express6h 20m05:55 AMCardiffCoach Station12:15 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/20/2025 5:55:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/20/2025 12:15:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 6h 20m
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National Express6h 30m07:45 PMCardiffCoach Station2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/20/2025 7:45:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/21/2025 2:15:00 AM. 50 Economy ticket for $51 per person are available. Travel duration is 6h 30m
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National Express7h 0m04:00 PMCardiffCoach Station11:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/20/2025 4:00:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/20/2025 11:00:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 0m
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National Express7h 0m05:30 PMCardiffCoach Station12:30 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/20/2025 5:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/21/2025 12:30:00 AM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 0m
Fastest Buses Saturday
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National Express6h 20m05:55 AMCardiffCoach Station12:15 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/21/2025 5:55:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/21/2025 12:15:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 6h 20m
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National Express6h 30m07:45 PMCardiffCoach Station2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/21/2025 7:45:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/22/2025 2:15:00 AM. 50 Economy ticket for $51 per person are available. Travel duration is 6h 30m
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National Express7h 0m04:00 PMCardiffCoach Station11:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/21/2025 4:00:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/21/2025 11:00:00 PM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 0m
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National Express7h 0m05:30 PMCardiffCoach Station12:30 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/21/2025 5:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/22/2025 12:30:00 AM. 50 Economy ticket for $51 per person are available. Travel duration is 7h 0m
Fastest Buses Sunday
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Great Western Railway (GWR)3h 17m02:30 PMCardiffCentral Station5:47 PMPortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 12/22/2025 2:30:00 PM to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 12/22/2025 5:47:00 PM. 50 Economy ticket for $100 per person are available. Travel duration is 3h 17m
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Great Western Railway (GWR)3h 18m012:30 PMCardiffCentral Station3:48 PMPortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 12/22/2025 12:30:00 PM to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 12/22/2025 3:48:00 PM. 50 Economy ticket for $100 per person are available. Travel duration is 3h 18m
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Great Western Railway (GWR)3h 18m01:30 PMCardiffCentral Station4:48 PMPortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 12/22/2025 1:30:00 PM to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 12/22/2025 4:48:00 PM. 50 Economy ticket for $100 per person are available. Travel duration is 3h 18m
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Great Western Railway (GWR)3h 18m03:30 PMCardiffCentral Station6:48 PMPortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 12/22/2025 3:30:00 PM to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 12/22/2025 6:48:00 PM. 50 Economy ticket for $100 per person are available. Travel duration is 3h 18m
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National Express5h 25m05:25 AMCardiffCoach Station10:50 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/22/2025 5:25:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/22/2025 10:50:00 AM. 50 Economy ticket for $79 per person are available. Travel duration is 5h 25m
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National Express6h 30m07:45 PMCardiffCoach Station2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/22/2025 7:45:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 2:15:00 AM. 50 Economy ticket for $49 per person are available. Travel duration is 6h 30m
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National Express7h 0m05:30 PMCardiffCoach Station12:30 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/22/2025 5:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 12:30:00 AM. 50 Economy ticket for $49 per person are available. Travel duration is 7h 0m
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National Express7h 15m03:45 PMCardiffCoach Station11:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/22/2025 3:45:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/22/2025 11:00:00 PM. 50 Economy ticket for $49 per person are available. Travel duration is 7h 15m
Fastest Trains Monday
Fastest Buses Monday
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National Express5h 25m05:25 AMCardiffCoach Station10:50 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/23/2025 5:25:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 10:50:00 AM. 50 Economy ticket for $70 per person are available. Travel duration is 5h 25m
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National Express7h 0m07:15 PMCardiffCoach Station2:15 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/23/2025 7:15:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/24/2025 2:15:00 AM. 50 Economy ticket for $45 per person are available. Travel duration is 7h 0m
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National Express7h 0m09:00 AMCardiffCoach Station4:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/23/2025 9:00:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 4:00:00 PM. 50 Economy ticket for $53 per person are available. Travel duration is 7h 0m
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National Express7h 0m07:20 AMCardiffCoach Station2:20 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/23/2025 7:20:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/23/2025 2:20:00 PM. 50 Economy ticket for $70 per person are available. Travel duration is 7h 0m
Fastest Buses Tuesday
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National Express5h 25m05:25 AMCardiffCoach Station10:50 AMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/24/2025 5:25:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/24/2025 10:50:00 AM. 50 Economy ticket for $89 per person are available. Travel duration is 5h 25m
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National Express7h 0m09:00 AMCardiffCoach Station4:00 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/24/2025 9:00:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/24/2025 4:00:00 PM. 50 Economy ticket for $55 per person are available. Travel duration is 7h 0m
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National Express7h 0m07:20 AMCardiffCoach Station2:20 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/24/2025 7:20:00 AM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/24/2025 2:20:00 PM. 50 Economy ticket for $89 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30 PMCardiffCoach Station7:40 PMPortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/24/2025 12:30:00 PM to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/24/2025 7:40:00 PM. 50 Economy ticket for $55 per person are available. Travel duration is 7h 10m
Fastest Buses Wednesday
Here you will find all operators and timetables for a
Bus from Cardiff to Portsmouth
What are the most popular stations in Cardiff and Portsmouth?
In Cardiff, you will usually depart from Central Station, Dingle Road Train Station or Penarth Train Station, while in Portsmouth you will be arriving at Portsmouth & Southsea Station, City Shops South (Stop D) Bus Station or The Hard Interchange, 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 Portsmouth from Cardiff? With 5 connections between 2 Bus, Carpool 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 Cardiff and Portsmouth, you can pay as low as $20 with a Carpool from BlaBlaCar.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 Carpool from BlaBlaCar: you will get to Portsmouth in just 2h 20m.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 Cardiff and Portsmouth are National Express, Great Western Railway (GWR) and BlaBlaCar, 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 Cardiff and Portsmouth 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 Newlyn or to Hilsea, and look at flights from Cardiff Airport, and landing at Southampton 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 Cardiff to Portsmouth?
The most popular companies between Cardiff and Portsmouth, are National Express, Great Western Railway (GWR) and BlaBlaCar. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: National Express
Train companies: Great Western Railway (GWR)
All you need to know when you travel from Cardiff to Portsmouth
Check all information on comfort and services on all modes of transports from Cardiff to Portsmouth. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Cardiff to Portsmouth
How can I reach Portsmouth from Cardiff?
Every day, there are on average 5 connections between Bus, Carpool and Train, with which you can get to Portsmouth from Cardiff.
How far is Portsmouth from Cardiff?
The distance between Cardiff and Portsmouth is 101.8 miles.
What is the most ecofriendly mode of transport between Cardiff and Portsmouth?
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 Cardiff to Portsmouth?
You can get to Portsmouth with just $20 by taking a Carpool from BlaBlaCar.
What is the fastest way to get from Cardiff to Portsmouth?
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 Portsmouth in just 2h 20m with a Carpool from BlaBlaCar.
More routes to Cardiff and to Portsmouth
Looking for more options? Here you can see the most popular routes to Cardiff and to Portsmouth. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Cardiff
- Aberdeen to Cardiff
- Bath to Cardiff
- Birmingham to Cardiff
- Bridgwater to Cardiff
- Bristol Airport to Cardiff
- Bristol to Cardiff
- Edinburgh to Cardiff
- Exeter to Cardiff
- Glasgow to Cardiff
- Liverpool to Cardiff
- London Heathrow Airport to Cardiff
- London to Cardiff
- Manchester to Cardiff
- Middlesbrough to Cardiff
- Newcastle upon Tyne to Cardiff
- Norwich to Cardiff
- Paris to Cardiff
- Reading to Cardiff
- Southampton to Cardiff
- Sunderland to Cardiff
- Swansea to Cardiff
- Trips to Portsmouth
- Birmingham to Portsmouth
- Bournemouth to Portsmouth
- Brighton to Portsmouth
- Bristol Airport to Portsmouth
- Cambridge to Portsmouth
- Dover to Portsmouth
- Glasgow to Portsmouth
- Leicester to Portsmouth
- Manchester to Portsmouth
- Newcastle upon Tyne to Portsmouth
- Oxford to Portsmouth
- Reading to Portsmouth
- Southampton to Portsmouth

