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From Cardiff to London, take the fastest train in 1 hour 49 minutes, typically 1 hour 54 minutes. Daily, 35 trains depart from Cardiff, with the first at 05:07 and the last at 23:30. During Off-Peak times starting at 09:30 on weekdays, enjoy a quieter space with fewer people. Check real-time updates for train times, delays, and cancellations. We save you time, effort, and money.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
15:54 Cardiff Central | 1 hour 50 minutes, Direct | 17:44 London Paddington | Great Western Railway | Find tickets |
16:21 Cardiff Central | 1 hour 52 minutes, Direct | 18:13 London Paddington | Great Western Railway | Find tickets |
16:50 Cardiff Central | 1 hour 52 minutes, Direct | 18:42 London Paddington | Great Western Railway | Find tickets |
17:18 Cardiff Central | 1 hour 58 minutes, Direct | 19:16 London Paddington | Great Western Railway | Find tickets |
17:50 Cardiff Central | 1 hour 52 minutes, Direct | 19:42 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 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.
Travelling by train from Cardiff to London is efficient and offers a scenic and comfortable experience. With frequent departures from Cardiff, you can reach London in just 1 hour 49 minutes, making it one of the fastest and most convenient ways to travel between these two places.

The fastest train journey time from Cardiff to London is 1 hour 49 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, unfortunately, you need to transfer from Cardiff to London. Still, the TrainPal Train Journey Planner helps you find the best train. Just input your origin or destination places, then click "Search" to see the suitable route.

While Cardiff to London trains are usually on time, delays or disruptions may occur due to weather, strikes, and other factors. Finding a train timetable for your trip from Cardiff to London is easy with Train Journey Planner. Simply enter your departure and arrival stations to get a detailed schedule of available trains. Input your travel details to discover 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
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.

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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