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Travelling from Cardiff to London, the fastest train takes 1 hour 50 minutes with an average travel time of 1 hour 55 minutes. With 33 daily trains, the first departs at 05:54 and the last at 23:30. Off-Peak hours begin at 09:30 on weekdays, and all-day Off-Peak on weekends and bank holidays. Keep informed of live train status, times, delays, and cancellations with us.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
05:54 Cardiff Central | 1 hour 50 minutes, Direct | 07:44 London Paddington | Great Western Railway | Find tickets |
06:24 Cardiff Central | 1 hour 52 minutes, Direct | 08:16 London Paddington | Great Western Railway | Find tickets |
06:28 Cardiff Central | 3 hours 58 minutes, 2 change | 10:26 Vauxhall | Great Western Railway | Find tickets |
06:51 Cardiff Central | 2 hours, Direct | 08:51 London Paddington | Great Western Railway | Find tickets |
07:23 Cardiff Central | 1 hour 51 minutes, Direct | 09:14 London Paddington | Great Western Railway | Find tickets |
Plan your journey from Cardiff to London with ease. Explore the first and last train times, departure and arrival stations, distance, journey time, and price options to make the most of your trip.
When travelling from Cardiff to London, check the TrainPal Train Journey Planner. The average journey time is 1 hour 50 minutes, covering 131 miles (210km). There are 33 trains available each day, from the first departure at 05:54 to the last at 23:30.
The quickest train from Cardiff to London departs from Cardiff Central, located in the city centre. Cardiff Central is a major rail hub, connecting destinations across Wales and the UK. It serves as a key interchange for the Valleys & Cardiff Local Routes and is accessible by bus, taxi, or car.
Primary operators at Cardiff Central include Transport for Wales, Great Western Railway, and CrossCountry, linking cities such as Swansea, Newport, Bangor, Manchester, Birmingham, Nottingham, and Newcastle.
Stops on this route typically include Newport(South Wales), Bristol Parkway, Swindon(Wilts), and Reading, but may vary by time and operator.
The fastest train from Cardiff to London arrives at London Paddington, a major railway and Underground station at Praed Street, Paddington, London W2 1HQ. Key operators include Great Western Railway, Elizabeth Line, and Heathrow Express.
This station is a crucial transport hub, offering services to Heathrow Airport and destinations in the west of England and Wales, such as Bristol Temple Meads, Exeter St Davids, and Oxford.
London Paddington connects directly to the Bakerloo, Circle, District, and Hammersmith & City lines. Nearby attractions include The Savoy, the London Eye, The Regent’s Park, and the Royal Albert Hall.
Great Western Railway trains from Cardiff Central to London Paddington take around 1 hour and 49 minutes. The journey offers breathtaking views of South Wales' rolling hills, the scenic Cotswolds countryside, and the delightful outskirts of London.
Great Western Railway, an iconic British railway, connects London to cities like Bristol, Cardiff, and Exeter. For over 180 years, GWR has been celebrated for its exceptional service, reliability, and passenger comfort. Experience seamless travel across South West England and Wales with GWR.
In Standard Class on the GWR, passengers benefit from family-sized tables, power sockets, and plenty of space for luggage.
GWR offers free refreshments, improved Wi-Fi, and power socket-equipped tables at your spacious seat.
We deliver essential travel info, such as baggage limits, bike policies, travelling with children and pets, and assistance services.
The train journey from Cardiff to London combines efficiency with pleasure, featuring beautiful scenery and comfort. With frequent departures from Cardiff, you can get to London in just 1 hour 50 minutes, making it an ideal and convenient choice for travelling between them.

The fastest train journey time from Cardiff to London is 1 hour 50 minutes . Use our Train Journey Planner to find direct trains, avoid transfers, and compare travel times for each route to see if there are fewer stops to make your journey seamless.
No, there are no direct trains from Cardiff to London. However, you can still find the best train options using the TrainPal Train Journey Planner. Simply enter your departure and arrival stations to see all available train services and plan your trip

Cardiff to London trains are generally punctual, but delays or disruptions can happen due to weather, strikes, and other factors. With Train Journey Planner, finding a train timetable for your trip is simple. Enter your departure and arrival stations to view a detailed schedule of available trains. Provide your travel details to find the best routes, connections, and train times.
Usually, you need to arrive at a station at least 15-20 minutes ahead of time. However, consider the station's size and your familiarity with it. If the station is large and you are not familiar with it, leaving home as early as possible is the best choice. This can reduce your stress and ensure a relaxing journey.
Yes, most trains on the route from Cardiff to London are equipped with Wi-Fi. Passengers can also enjoy complimentary food, drinks, and power sockets for a more comfortable journey. Please note that the availability of these services can vary depending on the train company
Check our Train Journey Planner, which provides detailed information about transfers to ensure your journey is uninterrupted, saving you time and effort, and allowing you to get a full rest for travelling.

Checking train delays and cancellations in the UK is simple. Utilise the TrainPal mobile app for real-time information. We offer live updates, including live train status and notifications of any train strikes.
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