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Cardiff to London train ticket prices

Travelling from Cardiff to London by train? Find fares from as low as €51.72. Benefit from Advance tickets, Off-Peak train tickets, and Railcards for extra savings. Enjoy the most cost-effective and pleasant journey with TrainPal. For more tips on saving money, visit our UK cheap train ticket guide.
Cheapest

€51.72󰄽

On Fri 31 Jul

  • €68.57󰄽
    Sun26 Jul
  • €67.71󰄽
    Mon27 Jul
  • €52.56󰄽
    Tue28 Jul
  • €62.78󰄽
    Wed29 Jul
  • €52.56󰄽
    Thu30 Jul
  • Fri31 Jul
  • €62.78󰄽
    Sat01 Aug

Cardiff to London train timetable

From Cardiff to London, take the fastest train in 2h 17m, typically 2h 36m. Daily, 49 trains depart from Cardiff, with the first at 08:50 and the last at 23:11. 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.

DepartsArrivesOperator

08:50

Cardiff Central
2h 32m, Direct

11:22

London Paddington
Great Western Railway
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09:18

Cardiff Central
4h 25m, 3 change

13:43

Vauxhall
South Western Railway
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09:18

Cardiff Central
4h 36m, 1 change

13:54

London Waterloo
South Western Railway
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09:35

Cardiff Central
2h 18m, Direct

11:53

London Paddington
Great Western Railway
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10:00

Cardiff Central
2h 38m, 1 change

12:38

London Paddington
Great Western Railway
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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.

Price
From €51.72
Departure station
Arrival station
Distance
131 miles (210km)
Journey time
2h 17m
First train
08:50
Last train
23:11
Frequency
49

Great Western Railway trains from Cardiff to London

By Mark Wilshin | Updated May 29, 2026
Travel hassle-free between the Welsh and English capitals in just under two hours. These tried-and-tested tips will help you get the most out of your trip with Great Western Railway (GWR).

How much luggage does Great Western Railway allow?

GWR offers ample luggage storage space and a generous allowance. Each passenger can board with three pieces measuring 25 x 40 x 75 centimetres max.

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?

For a higher price, passengers with Cardiff to London First Class tickets are treated to a luxury experience. It’s a worthwhile option for ultimate comfort. Unwind in Cardiff Central and London Paddington’s First Class lounges (both on platform 1). Complimentary refreshments are served for the entirety of your trip.

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.
*Information is subject to change. Please check the latest train timetable before your trip.

Cardiff to London train travel guide

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 2h 17m, making it an ideal and convenient choice for travelling between them.

Planning and booking

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 €51.72, 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.

What is the best way to travel from Cardiff to London by train?

Utilise the TrainPal app or website to its fullest potential. Our Train Journey Planner is a top-notch online tool for planning your trips. Just enter your departure and arrival cities or stations. Then, review timetables and schedules, compare prices, consider direct routes, and check for food supplies or other amenities. 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 17m . 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.

Are there direct trains from Cardiff to London?

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

Is it worth taking a train from Cardiff to London?

Yes, the train is a highly practical choice. Compared to driving, it is more eco-friendly and avoids the stress of traffic and parking. Compared to coaches, it offers more comfort, space, and scheduling flexibility. Furthermore, its ability to drop you off in the heart of the city makes it an exceptionally convenient option for most journeys.

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

Check timetables and during the journey

Are Cardiff to London trains punctual, and how can I check real-time information?

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 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

How do I transfer between train stations in the UK?

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.

What is the difference between Standard and First Class?

While Standard Class offers a good travel experience, First Class provides an upgrade in comfort and service. This typically includes enhanced amenities like complimentary food and drinks, though the specific offerings depend on the train operator.

Other things you might be interested

Other things you might be interested

Are there discounts for students or seniors on UK train tickets?

Yes, in the UK, students and seniors can benefit from various discount options. The 16-25 Railcard offers students up to 1/3 off most train tickets. Similarly, those aged 60 and above can use the Senior Railcard to enjoy similar savings. Both Railcards can be purchased online or at train stations and are valid for one year, providing great value for frequent travellers

Can UK train tickets be refunded or changed?

In the UK, the refund and exchange policies for train tickets vary depending on the type of ticket purchased. Advance Tickets are usually non-refundable but can sometimes be exchanged for a fee. Anytime Train Tickets and Off-Peak train tickets offer more generous refund and exchange options. Always check the terms and conditions of your ticket or visit UK train ticket types for specific details.

How do I check train delays and cancellations in the UK?

Get easy and quick access to live updates and notifications via the TrainPal app. If your phone is enabled to receive messages from us, you'll receive notifications about train cancellations on your screen as soon as you pick up your phone

Which train companies operate the Cardiff to London route?

The train from Cardiff to London is operated by Great Western Railway. 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

  • Luggage

    Each passenger is permitted to bring up to 3 pieces of luggage at no extra cost. This can include a combination of items such as suitcases, backpacks, and satchels.

  • Bicycle

    Bike reservations are mandatory and free for most train journeys, but space is limited. Standard bicycles and folding bikes are generally allowed. Some operators also permit tandems and e-bikes. Please note that e-scooters, motorcycles, tricycles, and bicycle trailers are not permitted. We strongly recommend checking the specific cycle policy on your train operator's website before you travel.

  • Children

    Children under 5 typically travel for free. A 50% discount applies to children aged 5 to 15. Additionally, those aged 16 and 17 are eligible for a 50% discount with a 16-17 Saver Railcard.

  • 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.

  • 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

Explore more money-saving tips for your train journeys. Start saving today and enjoy affordable train travel with TrainPal.

Break the journey into sections for potential cheaper rail fares.

Save on long journeys with Advance tickets. Buy up to 12 weeks ahead.

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

Save 1/3 on train fares with multiple Railcards available.

Unlimited travel between 2 stations. Save more than daily tickets.

GroupSave on Off-Peak tickets: 1/3 off for groups of 3-9 adults.
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Compensation and refunds

Your plans have changed?

For step-by-step guidance on amending your journey or applying for a refund, please access our dedicated ticket refunds and changes page.

Your train was disrupted?

For information on claiming Delay Repay compensation due to a delayed, cancelled, or strike-affected service, consult our delays and disruptions page or our UK rail strike page. These pages also provide live service updates.

* 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.