The cheapest and fastest trains from Portsmouth Harbour (PMH) to Cardiff Central (CDF)
Cheapest price
$63
Average price
$98
Fastest journey
3 h 26 m
Average duration
4 h 7 m
Trains per day
4
Distance
163 km
The best way to find a cheap train ticket from Portsmouth Harbour (PMH) to Cardiff Central (CDF) is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Portsmouth Harbour (PMH) to Cardiff Central (CDF) will cost around $98 if you buy it on the day, but the cheapest tickets can be found for only $63.
Of the 4 trains that leave Portsmouth Harbour (PMH) for Cardiff Central (CDF) on Tue, Dec 23, 4 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Tue, Dec 23 the direct trains cover the 163 km distance in an average of 4 h 7 m but if you time it right, some trains will get you there in just 3 h 26 m .
On Tue, Dec 23 the slowest trains will take 5 h 6 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 bus and train for Portsmouth Harbour (PMH) to Cardiff Central (CDF)
Omio recommends booking the train as it is the most popular option from Portsmouth Harbour (PMH) to Cardiff Central (CDF) among Omio's users. If you are prioritising price take the ferry with prices starting from €21. For those with little time consider booking a ferry which can get you there in 40m. The ticket price range depends on the travel mode: a ferry costs an average of €21, and a train costs an average of €38.
Distance: 101 miles (163 km)
Compare train with
Most popular Train | Bus | Ferry |
|---|---|---|
€80 Average price | €23 Average price | €21 Average price Cheapest |
3h 56m Average total duration 3h 26m Onboard + 30m Additional time* | 6h 40m Average total duration 6h 10m Onboard + 30m Additional time* | 1h 40m Average total duration Fastest 40m Onboard + 1h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Portsmouth Harbour (PMH) to Cardiff Central (CDF) train times
The table below shows live departures for Portsmouth Harbour (PMH) to Cardiff Central (CDF) trains for tomorrow, Tuesday, December 23. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 5:01 AM Portsmouth Harbour (PMH) | 3h44 | 8:45 AM Cardiff Central (CDF) | 0 transfersDirect | |
![]() | 6:20 AM Portsmouth Harbour (PMH) | 5h06 | 11:26 AM Cardiff Central (CDF) | 0 transfersDirect | |
![]() | 10:23 AM Portsmouth Harbour (PMH) | 3h26 | 1:49 PM Cardiff Central (CDF) | 0 transfersDirect | |
![]() | 10:33 AM Portsmouth Harbour (PMH) | 4h13 | 2:46 PM 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 Harbour (PMH) to Cardiff Central (CDF) by bus or train
Compare bus and train 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 23
Dec 24
Dec 25
Dec 26
Dec 27
Dec 28
Dec 29
Why should you book Portsmouth Harbour to Cardiff Central trains with Omio?
Great Western Rail operates all train services from Portsmouth Harbour to Cardiff Central. Omio is the only official third party seller for Great Western Rail tickets.
Why book with Omio vs Great Western Rail?
- 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 bus and train to ensure you get the best deal for traveling from Portsmouth Harbour to Cardiff Central.
Why book with Omio over Trainline and Rail Europe?
- Official reseller: Great Western Rail tickets can only be bought on Omio or Great Western Rail's website as Omio is the only official third party seller for Great Western Rail tickets. Trainline, RailEurope, and Rail.Ninja do not sell Great Western Rail tickets as they are not official sellers.
- Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Portsmouth Harbour to Cardiff Central.
Journey information
Overview: Train from Portsmouth Harbour (PMH) to Cardiff Central (CDF)
Trains from Portsmouth Harbour (PMH) to Cardiff Central (CDF) run on average 6 times per day, taking around 3h 26m. Cheap train tickets for this journey start at $48 (€38) but you can travel from only $19 (€15) by bus.
There are 3 trains per day. The earliest train runs at 05:01, the last at 12:23. The fastest train covers the 101 miles (163 km) distance in 3h 23m.
Distance 101 miles (163 km) |
Average train duration 3h 26m |
Cheapest ticket price $48 (€38) |
Trains per day 6 |
Direct trains 3 |
Fastest train 3h 23m |
First train 05:01 |
Last train 12:23 |
Train companies: Great Western Rail from Portsmouth Harbour (PMH) to Cardiff Central (CDF) trainsGreat Western Rail trains will get you between Portsmouth Harbour (PMH) and Cardiff Central (CDF) from $19 (€15). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
FAQs: Trains from Portsmouth Harbour (PMH) to Cardiff Central (CDF)
Find answers to the most common questions about traveling from Portsmouth Harbour (PMH) to Cardiff Central (CDF) 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 Central (CDF), this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from Portsmouth Harbour (PMH) to Cardiff Central (CDF)
- 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
- 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)
