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Trip Summary
You can pick from 11 daily train trips between Cardiff and Portsmouth. The average train journey from Cardiff to Portsmouth takes 3 hours and 15 minutes, but some Great Western Railway train trips are as short as 3 hours and 5 minutes.
| Distance | 102 mi (163 km) |
| Fastest train | 3h 5m |
| Lowest price | £26.35 |
| Trains per day | 28 |
| Most frequent service | Great Western Railway |
| Train lines | 1 |
Which train should you take from Cardiff to Portsmouth?
Great Western Railway is the one and only train line which connects Cardiff to Portsmouth. However, there are 11 trains per day to choose from.
| Train | Daily Trips | Avg. Time | Avg. Price |
|---|---|---|---|
| Great Western Railway | 11 | 3h 16m | £43.96 |
Great Western Railway is a train company in the United Kingdom responsible for rail services in the west of England and south Wales, including many intercity services to and from London. Whether you book a seat on a standard or first-class carriage, you can expect plenty of legroom, complimentary WiFi, power outlets/USB charging points, and onboard restrooms. There are also café cars or snacks trolleys onboard.
Frequently Asked Questions
The distance between Cardiff and Portsmouth is approximately 102 miles, or 163 kilometers. The average train journey between these two cities takes 3 hours and 15 minutes, although the absolute fastest you could get there is 3 hours and 5 minutes.
Looking for ways to pass the time? Most trains are equipped with Wi-Fi, which means you can stream music, browse social media or get some work done during your ride. That said, in case your train has a spotty signal, or is among the few without Wi-Fi, we also recommend downloading TV shows and movies to your mobile device in advance of your trip. That way the ride will fly by whatever the Wi-Fi situation.
Trains from Cardiff to Portsmouth are the most crowded on Tuesday. Tickets also tend to be more expensive then. If you are looking for a great deal on your train tickets or just want extra room to stretch out, consider traveling on Tuesday instead, as it tends to be the least crowded day of the week.
The earliest train departs Cardiff at 06:00 while the last train of the day leaves at 17:00. To see all scheduled departure times, use the search function on this page to get the full schedule for your specific travel dates.
There are 11 scheduled trains on most days. 28 of these are direct connections to Portsmouth. While direct trains may still make stops along the way, you will not need to switch trains at any point. If you're looking to get to your destination faster, a direct train is the convenient and time-efficient choice.
You can also take a train for your return trip from Portsmouth to Cardiff.
City Information
Cardiff
Image credit: Unsplash
Image credit: Unsplash
Image credit: Unsplash
Cardiff is the capital of Wales, as well as its largest city. Although the city was initially founded as a Roman fort, Cardiff has glided effortlessly into the 21st century, offering tourists a diverse mix of old and new.
Looking to explore the city's history? Cardiff Castle at the heart of the city makes for an exciting day out, where visitors can learn about the fascinating 2,000 years of history that the castle represents.
If the castle gets you in the mood to explore more history, the St Fagans National Museum of History will surely satisfy your historical appetite. As one of Europe's leading open-air museums, the museum offers historical attractions that detail history back to the Celtic era.
For those seeking a more modern experience, Cardiff boasts a fantastic selection of shops and cafes, with Cardiff Central Market as the top choice for retail therapy.
Cardiff has excellent transport links, making it an easy place to visit no matter where you're coming from. Cardiff Airport provides access for visitors traveling from off the island, while high-speed rail services make access to and from London simple. Cardiff Central Station also offers direct routes from Bristol, Bath, Manchester, Nottingham, as well as other main cities and towns.
Portsmouth
Image credit: Unsplash
Image credit: Unsplash
Image credit: Unsplash
Portsmouth, located on the South coast of England, is home to several important historical dockyards and thus a storied maritime heritage. Though many people travel here to experience the nautical atmosphere, Portsmouth also offers many attractions and experiences to suit every taste.
For a taste of the sea, Henry VIII's Mary Rose is a must-see attraction, as well as Lord Nelson's famous HMS Victory. Both ships are accompanied by museums where visitors can learn more about these significant historical warships. If the weather drives you inside, take a walk around the Portsmouth Museum and Art Gallery, hosting a variety of displays and recreations of how life has changed in Portsmouth over the centuries. To see the whole city all at once, climb Spinnaker Tower to see the city from 170 meters high. Finally, if you're feeling brave, walk across the glass Sky Walk to see the waves crash on the shore beneath your feet.
Due to its many ports, Portsmouth is accessible via ferry, as well as train, car, and bus. The South Western Railway makes getting to Portsmouth from London and other southern towns easy, while National Express and Megabus provide bus services that link many other major towns and cities.
Station Information
Where is the train station in Cardiff?
Image credit: Hugh Llewelyn
Link to image attributionMain departure station: Cardiff Central
Cardiff Central Station is the largest and busiest rail terminal in Wales and one of two primary train stations in Cardiff. A registered historic building, it first opened in 1850 but is known for its art deco concourse and north entrance, both added in the 1930s. Most facilities are in the main concourse, including ATMs, food outlets, and a newsagent. Transport for Wales operates services to south, central, and north Wales, while Cross Country runs hourly services to Gloucester, Birmingham, and Derby. Great Western operates the route to London Paddington via Bristol Parkway.
All train stations in Cardiff:
Cardiff Central
Where is the train station in Portsmouth?
Main arrival station: Portsmouth & Southsea
There are more train stations and stops in Portsmouth than most cities. Most trains from Cardiff will stop at one (or more) of the 3 following stations in Portsmouth:
Train stations in Portsmouth:
Portsmouth & Southsea
Fratton
Cosham Train Station
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Need a return trip from Portsmouth to Cardiff?
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