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Heathrow Terminal 4 to Cardiff train timetable
The journey from Heathrow Terminal 4 to Cardiff on the fastest train in 2h 49m, usually 2h 57m. Each day, 37 trains leave from Heathrow Terminal 4, starting at 06:45 and ending at 23:47. Get real-time updates on train schedules, delays, and cancellations. Save time, effort, and money with TrainPal.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
23:47 Heathrow Terminal 4 | 10h 25m, 3 change | 10:12 Cardiff Central | Elizabeth line | Find tickets |
Heathrow Terminal 4 to Cardiff train tickets and times
Heathrow Terminal 4 to Cardiff train travel guide
Taking the train from Heathrow Terminal 4 to Cardiff is both efficient and enjoyable, offering scenic views and comfort. With frequent departures from Heathrow Terminal 4, you can arrive at Cardiff in just 2h 49m, making it a quick and convenient option for travelling between these two places.

Planning and booking
How much does it cost for a train from Heathrow Terminal 4 to Cardiff?
Ticket prices from Heathrow Terminal 4 to Cardiff average around £48.40, but vary based on travel dates and ticket flexibility. To see the exact fare for your trip, please perform a search with your preferred dates.
What is the best way to travel from Heathrow Terminal 4 to Cardiff by train?
What is the fastest train from Heathrow Terminal 4 to Cardiff?
The quickest train journey from Heathrow Terminal 4 to Cardiff takes 2h 49m . 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.
Are there direct trains from Heathrow Terminal 4 to Cardiff?
No, you will need to transfer when travelling from Heathrow Terminal 4 to Cardiff. 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.
Is it worth taking a train from Heathrow Terminal 4 to Cardiff?
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
Are Heathrow Terminal 4 to Cardiff trains punctual, and how can I check real-time information?
While Heathrow Terminal 4 to Cardiff 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 Heathrow Terminal 4 to Cardiff 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.
How early should I arrive for a train in the UK?
Typically, you should plan to arrive at the station 15-20 minutes before your train is scheduled to depart. However, the size of the station and your familiarity with it can affect this timing. For larger or less familiar stations, leaving home earlier can help reduce stress and ensure a more relaxed journey.
Do Heathrow Terminal 4 to Cardiff trains offer Wi-Fi and other facilities?
Yes, most trains on the Heathrow Terminal 4 to Cardiff 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?
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.
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?
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 Heathrow Terminal 4 to Cardiff route?
The route from Heathrow Terminal 4 to Cardiff is operated by Elizabeth line. To find the operator for any other journey, perform a search for your route on this page; the operator's name will be listed with each travel option.
Essential onboard rules and facilities
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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.
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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
Passengers with disabilities or additional needs can arrange assistance with their train operator, if required. To ensure support is available for your journey, this service should be booked in advance.
How to buy cheap Heathrow Terminal 4 to Cardiff 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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