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Journey from Cardiff to London Waterloo East on the fastest train in 3 hours 39 minutes, usually 3 hours 55 minutes. Every day, 56 trains leave from Cardiff, starting at 05:14 and ending at 22:47. 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 | ||
|---|---|---|---|---|
11:20 Cardiff Central | 3 hours 49 minutes, 1 change | 15:09 London Waterloo East | Great Western Railway | Find tickets |
11:30 Cardiff Central | 3 hours 39 minutes, 2 change | 15:09 London Waterloo East | Great Western Railway | Find tickets |
11:30 Cardiff Central | 4 hours 2 minutes, 1 change | 15:32 London Waterloo East | Great Western Railway | Find tickets |
12:20 Cardiff Central | 3 hours 58 minutes, 1 change | 16:18 London Waterloo East | Great Western Railway | Find tickets |
12:30 Cardiff Central | 3 hours 48 minutes, 2 change | 16:18 London Waterloo East | Great Western Railway | Find tickets |
Travelling by train from Cardiff to London Waterloo East is efficient and offers a scenic and comfortable experience. With frequent departures from Cardiff, you can reach London Waterloo East in just 3 hours 39 minutes, making it one of the fastest and most convenient ways to travel between these two places.

The quickest train journey from Cardiff to London Waterloo East takes 3 hours 39 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, you will need to transfer when travelling from Cardiff to London Waterloo East. 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 Waterloo East 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.
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 Cardiff to London Waterloo East route offer amenities like Wi-Fi, food services, and various seating options. Additional facilities may include power sockets, accessibility features, and luggage storage. Check the specific amenities offered by the train operator when booking, as these can vary.
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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Trainpal makes it simple to adjust your travel plans, get refunds, and request Delay Repay.


Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
| Trains from Cardiff | Trains from London Waterloo East |
|---|---|
| Cardiff to Newport | |
| Cardiff to Bridgend | |
| Cardiff to London Paddington | |
| Cardiff to Manchester | |
| Cardiff to Bristol |
* 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.