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Travelling from Cardiff to London, the fastest train takes 1 hour 49 minutes with an average travel time of 1 hour 54 minutes. With 35 daily trains, the first departs at 05:07 and the last at 23:38. 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 | ||
|---|---|---|---|---|
05:07 Cardiff Central | 2 hours 9 minutes, Direct | 07:16 London Paddington | Great Western Railway | Find tickets |
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 52 minutes, 1 change | 10:20 London Waterloo | Great Western Railway | Find tickets |
06:51 Cardiff Central | 2 hours, Direct | 08:51 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 23:38.
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 . Direct trains can save significant time by avoiding transfers. Always check if a direct route is available for your journey. Moreover, when searching for trains, consider the total travel time. Some routes with fewer stops or more efficient schedules might be faster.
No, you will need to transfer when travelling from Cardiff to London. TrainPal Train Journey Planner will assist you in finding the best train route. Enter the origin or destination places and other relevant details, then click "Search" to find the most suitable route.

Cardiff to London trains are generally punctual, but delays or cancellations can occur due to weather, strikes, and other factors. After purchasing a ticket, use TrainPal to track live train updates. Before buying a ticket, our Train Journey Planner provides all necessary booking information. Simply enter your departure and arrival stations, click 'Search,' and view routes labelled 'Cheapest' or 'Fastest,' with all details displayed.
It’s recommended to reach the train station 15-20 minutes before your train is set to leave. This gives you sufficient time to locate your platform, particularly in larger stations. Arriving early is also beneficial if you need to collect tickets or find your way around an unfamiliar station, helping to minimise any potential stress.
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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