The cheapest and fastest trains from Portsmouth to Cardiff
Cheapest price
$106
Average price
$107
Fastest journey
3 h 17 m
Average duration
3 h 32 m
Trains per day
5
Distance
164 km
The best way to find a cheap train ticket from Portsmouth to Cardiff is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Portsmouth to Cardiff will cost around $107 if you buy it on the day, but the cheapest tickets can be found for only $106.
Of the 5 trains that leave Portsmouth for Cardiff on Tue, Dec 02, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Tue, Dec 02 the direct trains cover the 164 km distance in an average of 3 h 32 m but if you time it right, some trains will get you there in just 3 h 17 m .
On Tue, Dec 02 the slowest trains will take 3 h 55 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.










Travel Information
Compare train and bus for Portsmouth to Cardiff
Omio recommends booking the train as it is the most popular option from Portsmouth to Cardiff among Omio's users. If you are prioritising price take the bus with prices starting from €15. For those with little time consider booking a train which can get you there in 3h 23m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.0 - 0.1kg. The ticket price range depends on the travel mode: a bus costs an average of €15, and a train costs an average of €41.
Distance: 101 miles (164 km)
Compare train with
Most popular Train | Bus |
|---|---|
€83 Average price | €31 Average price Cheapest |
3h 53m Average total duration Fastest 3h 23m Onboard + 30m Additional time* | 6h 28m Average total duration 5h 58m Onboard + 30m Additional time* |
0.0 - 0.1kg CO2 emissions Lowest | 0.2 - 0.4kg CO2 emissions |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Live departures
Portsmouth to Cardiff train times
The table below shows live departures for Portsmouth to Cardiff trains for today, Monday, December 1. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
P08380 | On time 6:05 AM Portsmouth & Southsea (PMS) | 3h40 | 9:45 AM Cardiff Central (CDF) | 0 transfersDirect | |
L48012+ C23376+ P08236 | On time 6:28 AM Portsmouth & Southsea (PMS) | 3h41 | 10:09 AM Cardiff Central (CDF) | 2 transfers | |
L48015+ P09258 · P08237 | On time 6:55 AM Portsmouth & Southsea (PMS) | 3h42 | 10:37 AM Cardiff Central (CDF) | 2 transfers | |
P08382 | On time 7:24 AM Portsmouth & Southsea (PMS) | 3h28 | 10:52 AM Cardiff Central (CDF) | 0 transfersDirect | |
L48020+ P09260 · P08239 | On time 8:00 AM Portsmouth & Southsea (PMS) | 3h40 | 11:40 AM Cardiff Central (CDF) | 2 transfers | |
P08384 | On time 8:27 AM Portsmouth & Southsea (PMS) | 3h19 | 11:46 AM Cardiff Central (CDF) | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Portsmouth to Cardiff by train or bus
Compare train and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Dec 02
Dec 03
Dec 04
Dec 05
Dec 06
Dec 07
Dec 08
Why should you book Portsmouth to Cardiff trains with Omio?
Great Western Rail as well as first_great_western offer trains services from Portsmouth to Cardiff. Omio is an official ticket reseller for all your travel options from Portsmouth to Cardiff.
Why book with Omio vs Great Western Rail?
- Compare with other providers: On Omio, you can not only buy tickets for Great Western Rail, but also compare tickets for the likes of first_great_western to find the best option for your trip from Portsmouth to Cardiff.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Great Western Rail with all available travel options, which are train and bus to ensure you get the best deal for traveling from Portsmouth to Cardiff.
Why book with Omio over Trainline and Rail Europe?
- Multiple travel company options: While Great Western Rail tickets can be bought on Great Western Rail's website or third party sellers, Omio allows you to compare with the likes of first_great_western to help you choose the right option for your journey from Portsmouth to Cardiff.
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Portsmouth to Cardiff.
Journey information
Overview: Train from Portsmouth to Cardiff
Trains from Portsmouth to Cardiff run on average 5 times per day, taking around 3h 23m. Cheap train tickets for this journey start at $51 (€41) but you can travel from only $18 (€15) by bus.
There are 2 trains per day. The earliest train runs at 04:37, the last at 21:20. The fastest train covers the 101 miles (164 km) distance in 3h 17m.
Distance 101 miles (164 km) |
Average train duration 3h 23m |
Cheapest ticket price $51 (€41) |
Trains per day 5 |
Direct trains 2 |
Fastest train 3h 17m |
First train 04:37 |
Last train 21:20 |
Train companies: Great Western Rail, first_great_western from Portsmouth to Cardiff trainsGreat Western Rail, first_great_western trains will get you between Portsmouth and Cardiff from $18 (€15). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
first_great_western
FAQs: Trains from Portsmouth to Cardiff
Find answers to the most common questions about traveling from Portsmouth to Cardiff 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 Cardiff, this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from Portsmouth to Cardiff
- Opening hours: Monday - Friday 05:55 - 19:40 Saturday 05:55 - 19:40 Sunday 09:10 - 18:40
- Car Park: Station Car Park
- 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
- 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
- Toilets Location: The toilets are located in the Booking Hall on Platform 1. The National key toilets are located in the Booking Hall on Platform 1; these toilets are operated by a radar key.
- National key toilets: Yes
- Baby changing facilities: No
- Storage sheltered: Yes
- Storage location: Platform 1
- Storage CCTV: No
- Information available from staff: Yes - from help point
- Helpline Contact: 0800 5282100
- Location for Rail Replacement Services: Goldsmith Avenue (for buses in both directions). Goldsmith Avenue is located on the opposite side of the footbridge from the main entrance/taxi rank/Railway club.
- Car Park: No
- Storage sheltered: No
- Storage CCTV: Yes
- Location for Rail Replacement Services: To Portsmouth: Norway Road bus stop by Vauxhall Garage To Cosham / Havant: Norway Road bus stop opposite Vauxhall Garage
- Opening hours: Monday - Friday 05:40 - 20:30 Saturday 05:40 - 20:30 Sunday 06:40 - 20:40
- Car Park: Station Car Park
- 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
- Toilets Location: The toilets are located in the Lower Concourse, next to the gateline. The National key toilets are located in the Lower Concourse; these toilets are operated by a radar key. A radar key is available from station staff upon request. A 'National Key Scheme' key [RADAR] can be purchased by contacting the following. Address: 12 City Forum, 250 City Road, London, EC1V 8AF. Tel: 020 7250 3222. Minicom: 020 7250 4119. Fax: 020 7250 0212. Email: [email protected]
- National key toilets: Yes
- Baby changing facilities: No
- Storage sheltered: Yes
- Storage location: Concourse and car park
- Storage CCTV: Yes
- Location for Rail Replacement Services: Station Street bus stop at side of Railway Station near Matalan car park.
- Opening hours: Monday - Friday 05:50 - 19:00 Saturday 06:30 - 19:00 Sunday 08:00 - 19:00
- Car Park: No
- 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
- Toilets Location: The toilets are located on Platform 1. The National key toilets are located on Platform 1; these toilets are operated by a radar key.
- National key toilets: Yes
- National key toilets location: The National key toilets are located on Platform 1; these toilets are operated by a radar key.
- Baby changing facilities: No
- Storage sheltered: No
- Storage location: Platform 1 and outside booking hall
- Storage CCTV: Yes
- Location for Rail Replacement Services: Hard Interchange Stands G, H or J
- Opening hours: Monday, Tuesday, Wednesday, Thursday, Friday 07:30 - 18:30 Saturday 09:30 - 15:30 Sunday Closed
- Car Park: No
- Staff help available: Yes
- Step free access coverage: No
- Step free access note: Category B3. While both platforms are step-free, there is no facility for wheelchair users, mobility scooter users or persons with reduced mobility to cross between Platform 1 and 2 due to a steep footbridge. Customers who have travelled from the Valleys and wish to access the University or the Civic Centre are advised to travel to Queen Street station, change onto a North-bound service and alight at Cathays on the return service.
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: The ticket machine(s) take cash, and major debit and credit cards. The machine on the Cardiff-bound platform is only available during staffing hours. The machine on the Pontypridd-bound platform is available all the time.
- Ramp for train access: Yes
- Wheelchairs available: No
- Impaired mobility set down / pick up points available: No
- Travelodge
- Information available from staff: Yes - from ticket office
- Helpline Contact: 03333 211202
- Passenger Information Systems: Departure screens, Arrival screens
- Onward travel information: The nearest bus stop is on Park Place
- Location for Rail Replacement Services: At the bus stops adjacent to the Cardiff University Students' Union on Park Place
- Opening hours: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday 07:40 - 18:00 Sunday 10:00 - 15:30 Temporary opening hours due to the COVID-19 pandemic.
- Car Park: No
- Staff help available: Yes
- Step free access coverage: Yes
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: The ticket machines are near the main entrance and take cash and major debit and credit cards.
- Accessible toilets: Yes
- Ramp for train access: Yes
- Wheelchairs available: No
- Impaired mobility set down / pick up points available: No
- Toilets Location: The toilets are located on Platform 4. The National key toilets are located on the Main Concourse to the right of the Ticket Office; these toilets are operated by a radar key and are only available during staffing hours.
- National key toilets: Yes
- Baby changing facilities: No
- Travelodge
- Storage sheltered: No
- Storage location: to the right of the station front
- Storage CCTV: Yes
- Information available from staff: Yes - from ticket office
- Helpline Contact: 03333 211202
- Passenger Information Systems: Departure screens, Announcements, Arrival screens
- Onward travel information: Limited service from stop outside station Mondays to Fridays
- Location for Rail Replacement Services: For services towards Cardiff Central use the bus stop at the front of the station. For services towards Cathays use the bus stop in front of the shop opposite the station entrance. Please ask a member of station staff if you are unsure of which stop to use.
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
- Free Wi-Fi in the station.
- Type of shops available: News agent and convenience store
- Car Park: Brewery Car park
- Gourmet Coffee Bar & Kitchen
- Pret a Manger
- Tesco Express
- Taxi: Taxi rank is on the right as you exit the main station entrance
- There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
- Toilets Location: The toilets are located on Platforms 1 to 8. The National Key toilets are located in the East Subway near the lifts and on Platform 8; these toilets are operated by a radar key and are only available during staffing hours.
- National key toilets: Yes
- National key toilets location: The National Key/Accessible toilets are located in the East Subway near the lifts and on Platform 8; these toilets are operated by a RADAR key and are only available during staffing hours.
- Baby changing facilities: Yes
- Clayton Hotel Cardiff
- Cardiff Marriott Hotel
- Travelodge Cardiff Central
- Waiting rooms location: On platforms 1/2, 3/4, 6/7 and 8.
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
- Storage sheltered: Yes
- Storage location: East end of platforms 1 and 2, 3 and 4, 6 and 7 - also at the front and rear of the station.
- Storage CCTV: Yes
- Commuter rail lines: City Line, Rhondda Line, Rhymney Line, Valley Line, South Wales Main Line
- Train lines: Transport for Wales, CrossCountry, Great Western Railway
- Location for Rail Replacement Services: At the rear car park (Penarth Road entrance)
- Car Park: No
- Staff help available: Yes
- Step free access coverage: No
- Step free access note: Category B3. The station is not suitable for wheelchair or powered mobility scooter users. Platform 1 (to Rhymney) has a long, steep access ramp. Platform 2 (to Cardiff) is only accessible via 41 steps. Customers travelling from the Rhymney Valley are advised to alight at Cardiff Queen Street and return to Heath Low Level.
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: The ticket machine(s) do not accept cash. Payment is by major debit and credit cards only.
- Ramp for train access: Yes
- Wheelchairs available: No
- Impaired mobility set down / pick up points available: No
- Location for Rail Replacement Services: Wait outside station on Heath Halt Road
- Car Park: No
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Category B2. Step free access to Platform 1 (to Cardiff) from Leckwith Road. Step free access to Platform 2 (to Radyr) Leckwith Road via a ramp with a steep gradient
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: The ticket machine(s) do not accept cash. Payment is by major debit and credit cards only.
- Ramp for train access: Yes
- Wheelchairs available: No
- Impaired mobility set down / pick up points available: No
- Storage sheltered: Yes
- Storage location: The bicycle stands can be found on Platform 1 (to Cardiff).
- Storage CCTV: No
- Location for Rail Replacement Services: Wait at the station entrance on Leckwith Road close to traffic lights
Most popular train connections from Portsmouth
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