4.9
4.6The cheapest and fastest trains from Cardiff to Portsmouth
- Cheapest price on Nov 01
- €90
- Average ticket price on Nov 01
- €90
- Fastest journey on Nov 01
- 3 h 22 m
- Average journey duration on Nov 01
- 3 h 22 m
- Trains on Nov 01
- 13
- Distance
- 164 km
The best way to find a cheap train ticket from Cardiff to Portsmouth is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Cardiff to Portsmouth will cost around €90 if you buy it on the day, but the cheapest tickets can be found for only €90.
On Sun, Nov 01, we found 13 trains from Cardiff to Portsmouth, including 13 direct services.
On Sun, Nov 01 the direct trains cover the 164 km distance in an average of 3 h 22 m but if you time it right, some trains will get you there in just 3 h 22 m .
On Sun, Nov 01 the slowest trains will take 3 h 22 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
W350122:25 PM 3h22 Cardiff Central (CDF) 5:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers- W34979
10:25 AM 3h22 Cardiff Central (CDF) 1:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers - W35030
5:25 PM 3h22 Cardiff Central (CDF) 8:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers - W35024
4:25 PM 3h22 Cardiff Central (CDF) 7:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers - C00852
1:25 PM 3h22 Cardiff Central (CDF) 4:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers
- W35012
2:25 PM 3h22 Cardiff Central (CDF) 5:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers - W34979
10:25 AM 3h22 Cardiff Central (CDF) 1:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers - W35030
5:25 PM 3h22 Cardiff Central (CDF) 8:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers - W35024
4:25 PM 3h22 Cardiff Central (CDF) 7:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers - C00852
1:25 PM 3h22 Cardiff Central (CDF) 4:47 PM Portsmouth & Southsea (PMS) €90 1 One-way 0 transfers
Journey information
Overview: Train from Cardiff to Portsmouth
United KingdomUnited Kingdom
Trains from Cardiff to Portsmouth run on average 6 times per day, taking around 3h 18m. Cheap train tickets for this journey start at €34 but you can travel from only €18 by bus.
There are 4 trains per day. The earliest train runs at 04:40, the last at 21:20. The fastest train covers the 164 km distance in 2h 55m.
Distance 164 km |
Average train duration 3h 18m |
Cheapest ticket price €34 |
Trains per day 6 |
Direct trains 4 |
Fastest train 2h 55m |
First train 4:40 AM |
Last train 9:20 PM |
Cheapest Month Jan |
Cheapest Day Tue |
High Season Oct - Dec |
Low Season Jan - Mar |
Busiest Day Fri |
Least Busy Day Sat |
Best time to book 21 days |
Live departures
Cardiff to Portsmouth train times
The table below shows live departures for Cardiff to Portsmouth trains for tomorrow, Sunday, November 1. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| W34973 | 9:18 AM Cardiff Central (CDF) | 3h29 | 12:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W34979 | 10:25 AM Cardiff Central (CDF) | 3h22 | 1:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| C00850 | 11:25 AM Cardiff Central (CDF) | 3h22 | 2:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W34991 | 12:25 PM Cardiff Central (CDF) | 3h22 | 3:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| C00852 | 1:25 PM Cardiff Central (CDF) | 3h22 | 4:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W35012 | 2:25 PM Cardiff Central (CDF) | 3h22 | 5:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W35012 | 2:25 PM Cardiff Central (CDF) | 3h22 | 5:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W35018 | 3:25 PM Cardiff Central (CDF) | 3h22 | 6:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W35018 | 3:25 PM Cardiff Central (CDF) | 3h22 | 6:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W35024 | 4:25 PM Cardiff Central (CDF) | 3h22 | 7:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W35024 | 4:25 PM Cardiff Central (CDF) | 3h22 | 7:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W35030 | 5:25 PM Cardiff Central (CDF) | 3h22 | 8:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
| W35030 | 5:25 PM Cardiff Central (CDF) | 3h22 | 8:47 PM Portsmouth & Southsea (PMS) | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Why should you book Cardiff to Portsmouth trains with Omio?
Why book with Omio vs Great Western Railway?
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- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Cardiff to Portsmouth.
Train companies: Great Western Railway from Cardiff to Portsmouth trainsGreat Western Railway trains will get you between Cardiff and Portsmouth from €18. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
Companies, tickets, and onboard amenities between Cardiff and Portsmouth
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
FAQs: Trains from Cardiff to Portsmouth
Find answers to the most common questions about traveling from Cardiff to Portsmouth by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Portsmouth, this guide helps you travel smarter and with confidence.
popular train stations
Popular train stations from Cardiff to Portsmouth
Most Cardiff to Portsmouth trains use the Cardiff Central to Portsmouth & Southsea station pair, with some services arriving at Portsmouth Harbour. Use this guide to compare Cardiff and Portsmouth train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Getting to Cardiff Central from Cardiff city centre
Cardiff Central train station facilities and services
Cardiff Central has practical services for this route, including Wifi, Shopping, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lounge, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Car Rental.
Food and drink
Food options include: Gourmet Coffee Bar & Kitchen, Pret a Manger, Tesco Express
Wi-Fi and ATMs
Free Wi-Fi in the station. ATMs are located outside of the main entrance.
Tickets and information
The ticket office is open Mon - Fri: 05:40 - 21:30, Sat: 05:40 - 21:30, Sun: 07:30 - 21:30.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Cardiff Central: Parking, Taxis, WC.
Bike and car services
Available at Cardiff Central: Bike Parking, Bike Rental, Car Rental.
Accessibility
Accessibility facilities are available at Cardiff Central: There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
Shops, hotels and contact
Nearby hotels include Clayton Hotel Cardiff, Cardiff Marriott Hotel, Travelodge Cardiff Central.
Which Portsmouth station do trains from Cardiff arrive at?
Getting to Portsmouth & Southsea from Portsmouth city centre
Portsmouth & Southsea train station facilities and services
Portsmouth & Southsea has practical services for this route, including Wifi, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, and Bike Rental.
Food and drink
Food and drink options are available at Portsmouth & Southsea.
Wi-Fi and ATMs
Wi-Fi is available at Portsmouth & Southsea. ATMs are available at Portsmouth & Southsea.
Tickets and information
Ticket office support is available at Portsmouth & Southsea.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Portsmouth & Southsea: Parking, WC.
Bike and car services
Available at Portsmouth & Southsea: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Portsmouth & Southsea: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Step-free category A Station - This station has step-free access to all platforms. Please be aware that some platforms at this station have no or only partial tactile paving on the platform edge, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
Getting to Portsmouth Harbour from Portsmouth city centre
Portsmouth Harbour is 1 km from Portsmouth city centre. Public transport options include:
Portsmouth Harbour train station facilities and services
Portsmouth Harbour has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Car Rental.
Food and drink
Food and drink options are available at Portsmouth Harbour.
Wi-Fi and ATMs
Wi-Fi is available at Portsmouth Harbour. ATMs are available at Portsmouth Harbour.
Tickets and information
Ticket office support is available at Portsmouth Harbour.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Portsmouth Harbour: Parking, Taxis, WC.
Bike and car services
Available at Portsmouth Harbour: Bike Parking, Bike Rental, Car Rental.
Accessibility
Accessibility facilities are available at Portsmouth Harbour: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Step-free category B Station - Steps or 20m ramp (approx. 1:11 gradient) to main entrance, or steps to side entrance. 32m ramp (gradient up to 1:8) from Wightlink IoW ferry terminal. Level access to all platforms. Stepped footbridge between platforms is also available. Please be aware that this station has no tactile paving on the platform edge, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
More options for your journey from Cardiff to Portsmouth
Here are some other resources that might have the information you need
Most popular trains to and from Portsmouth and Cardiff
Most popular train connections to Portsmouth
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