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Journey from Cardiff to London on the fastest train in 1 hour 49 minutes, usually 1 hour 54 minutes. Every day, 35 trains leave from Cardiff, starting at 05:07 and ending at 23:30. During Off-Peak Times from 09:30 on weekdays, enjoy a quieter and less crowded journey. Get real-time updates on train schedules, delays, and cancellations. Save time, effort, and money with us.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
23:30 | 6 hours 59 minutes, 1 change | 06:29 | 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 49 minutes, covering 131 miles (210km). There are 35 trains available each day, from the first departure at 05:07 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 49 minutes, making it an ideal and convenient choice for travelling between them.

The quickest train journey from Cardiff to London takes 1 hour 49 minutes . Utilise our Train Journey Planner to locate direct trains, minimise transfers, and compare travel times across various routes. Discover the most efficient way to travel with fewer stops for a smooth and seamless journey.
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.
Typically, you should plan to arrive at the station 15-20 minutes before your train is scheduled to depart. However, the size of the station and your familiarity with it can affect this timing. For larger or less familiar stations, leaving home earlier can help reduce stress and ensure a more relaxed 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
Transferring between train stations in the UK can be effortless with some planning. If your travel requires a transfer, review your ticket and journey details for specific transfer instructions. Major stations typically feature clear signage and helpful staff. Additionally, TrainPal Train Journey Planner offers comprehensive transfer details.

Use TrainPal for quick access to live updates and notifications. If your phone allows messages from us, you'll receive instant notifications about train cancellations directly on your screen.
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Trainpal helps you handle travel changes, refunds, and Delay Repay requests effortlessly.


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* Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. This pricing does not apply to discounted Split tickets and Railcards.
* By combining Advance Ticket offers with split tickets, you’ll get lower fares when you book at least one week before travel (excluding Anytime fares bought on the day of travel). Availability depends on the specific route and cannot be combined with other promotions.