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Cardiff to London train ticket prices
£42.90
On Sun 31 May
Cardiff to London train timetable
From Cardiff to London, take the fastest train in 2h 41m, typically 2h 58m. Daily, 43 trains depart from Cardiff, with the first at 04:25 and the last at 23:34. 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 | ||
|---|---|---|---|---|
05:07 Cardiff Central | 3h 2m, Direct | 08:09 London Paddington | Great Western Railway | Find tickets |
05:53 Cardiff Central | 2h 58m, 2 change | 08:51 London Paddington | Great Western Railway | Find tickets |
06:10 Cardiff Central | 2h 41m, 2 change | 08:51 London Paddington | Transport for Wales | Find tickets |
06:24 Cardiff Central | 2h 41m, Direct | 09:05 London Paddington | Great Western Railway | Find tickets |
06:40 Cardiff Central | 3h 19m, 1 change | 09:59 London Paddington | CrossCountry | Find tickets |
Cardiff to London train tickets and times
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.
Great Western Railway trains from Cardiff to London
How much luggage does Great Western Railway allow?
What are Standard Class carriages like on Great Western Railway trains?
Seats are arranged in a 2+2 configuration, and you can easily find a free space thanks to the reservation screens. Stay charged and browse the net with power sockets and free WiFi access. You also have the option of travelling in a quiet coach (usually Coach A) if you want to read a book, nap or enjoy a calmer environment.
Should I upgrade to Great Western Railway First Class?
When is the last Cardiff to London train?
The last direct service from Cardiff Central to London Paddington departs at 21:20 on weekdays, 20:22 on Saturdays and 21:20 on Sundays.
Train travel from Cardiff to London
GWR’s reliable rail services offer environmentally friendly travel twice an hour. Uncover the secrets to making your trip as seamless as possible.
Departure from Cardiff Central
Reach Cardiff Central from all corners of the coastal city. It’s easily walkable without bulky luggage. If you need to take public transport, many Cardiff Bus routes stop at the adjacent Cardiff Bus Interchange.
- Finding your platform: Longer-distance routes, including the Cardiff to London train, tend to stop at platforms 0–4. Allow five minutes to walk through the subway or use the lifts to access the right platform.
- An array of refreshments: While we could stare at the magnificent Art Deco details in the entrance hall all day, taking a coffee break before the train departs is also a great idea. Pay a visit to Gourmet Coffee Bar & Kitchen, Pret or Upper Crust for quality drinks, sandwiches and fresh pastries.
On board trains from Cardiff to London
Benefit from magnificent views and catering - all without having to move from your seat.
- View alert: Don’t miss the stunning scenery on your way from Cardiff Central to London Paddington. Must-see highlights include crossing the River Severn and zooming past lush green hills and charming countryside landscapes. Sit on the right side of the train for the best views.
- Trolley service: Friendly GWR staff will serve snacks, sandwiches and drinks at your seat (free in First Class). A range of vegetarian, vegan and gluten-free options is available.
Arriving at London Paddington
When you step off the Cardiff to London train, you’re a stone’s throw from a canalside haven on the corner of central London. For help navigating the station’s exits and transport links, look no further.
- Which exit? Use the Praed Street exit for local buses, hotels and St Mary’s Hospital. For step-free access, the exit by platform 1 leads to Eastbourne Terrace. The northern Paddington Basin and Bishops Bridge Road exit on the upper level is accessible via stairs/ramps from the platforms. Head this way for the Regent’s Canal and Little Venice.
- First Class lounge: Keep the free refreshments flowing at GWR’s First Class lounge on platform 1. You’ll also find charging points, Queen Victoria’s former waiting room and showers to freshen up.
- Getting around London: Paddington has two London Underground stations. For the Bakerloo, Circle and District lines, enter the station near platform 5. The other station, running eastbound Circle line and Hammersmith & City line trains, is on the upper level via the Paddington Basin and Bishops Bridge Road exit. You can also get a taxi from this level. All exits have local buses stopping nearby. For the Elizabeth line, go towards platform 1 and follow the signage.
Cardiff to London train travel guide
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 2h 41m, making it one of the fastest and most convenient ways to travel between these two places.

Planning and booking
How much does it cost for a train from Cardiff to London?
The average ticket fare from Cardiff to London is about £42.90, but prices are dynamic. The final cost depends on when you book, when you travel, and ticket flexibility. To find the exact cost for your journey, please search with your travel dates.
How do I find the best train route from Cardiff to London?
What is the fastest train from Cardiff to London?
The fastest train journey time from Cardiff to London is 2h 41m. 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.
Are there direct trains from Cardiff to London?
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.
Is it worth taking a train from Cardiff to London?
Yes, the train is always an excellent choice that balances convenience, comfort, and efficiency. It's more environmentally friendly and relaxing than driving, as you avoid traffic and parking. While coaches may be cheaper, the train provides superior comfort, more space, and greater scheduling flexibility. With the added benefit of arriving directly in the city centre, it's a very convenient way to travel.
How far in advance can I book my train ticket?
You can book UK train tickets as far as 12 weeks ahead of your travel date. This is the key period when train operators release their cheapest Advance tickets. Therefore, to ensure you get the best possible fare, we recommend purchasing your tickets as soon as they become available.

Check timetables and during the journey
How do I find Cardiff to London train timetables?
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.
How early should I arrive for a train in the UK?
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.
Do Cardiff to London trains offer Wi-Fi and other facilities?
Yes, most trains on the Cardiff to London 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.
How do I transfer between train stations in the UK?
Make use of our Train Journey Planner for detailed transfer information, ensuring your journey is smooth and efficient, saving you valuable time and effort, and allowing you to rest completely for your travels.
What is the difference between Standard and First Class?
Standard Class ensures a comfortable journey. For an upgraded experience, First Class provides superior comfort and additional amenities, such as complimentary refreshments, though the exact services vary by train operator.

Other things you might be interested
Are there discounts for students or seniors on UK train tickets?
Can UK train tickets be refunded or changed?
How do I check train delays and cancellations in the UK?
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.
Which train companies operate the Cardiff to London route?
The train from Cardiff to London is operated by CrossCountry. To see which operator runs a specific service, the easiest way to identify it is to use the search bar on this page. The name of the train company will be clearly displayed next to each journey option in the search results.
Essential onboard rules and facilities
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Luggage
Your free luggage allowance includes up to three items per passenger, covering standard bags like suitcases, backpacks, and other similarly-sized items.
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Bicycle
A free reservation is required for bikes on most journeys due to limited space. While standard bicycles and folding bikes are widely permitted, some operators have provisions for e-bikes and tandems. Please note that e-scooters, motorcycles, tricycles, and bike trailers are not allowed. As policies vary, it is essential to consult your specific train operator's website for their definitive cycle rules before you travel.
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Children
Discounts are available for young travellers based on age: Travellers under 5 usually travel free, children aged 5–15 get a 50% discount, and 16 to 17-year-olds can use a 16-17 Saver Railcard to get 50% off.
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Pets
Each passenger can travel with up to 2 pets for free. Throughout the journey, dogs must be on a lead, and any other pets must remain in their carrier. Animals are not permitted on seats or in restaurant carriages.
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Passenger assistance
For passengers with disabilities or additional needs, all train operators provide dedicated assistance. It is essential to book this service in advance to guarantee its availability.
How to buy cheap Cardiff to London train tickets

Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
Compensation and refunds

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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.




















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