Journey information
Overview: Train from Cardiff Queen Street (CDQ) to London Heathrow Airport
Trains from Cardiff Queen Street (CDQ) to London Heathrow Airport run on average 9 times per day, taking around 2h 24m. Cheap train tickets for this journey start at £66 but you can travel from only £11 by coach.
The fastest train covers the 188 km distance in 2h 9m.
Distance 188 km |
Average train duration 2h 24m |
Cheapest ticket price £66 |
Trains per day 9 |
Fastest train 2h 9m |
Cheapest Month Nov |
Cheapest Day Sat |
High Season Jan - Mar |
Low Season Jul - Sept |
Busiest Day Sat |
Least Busy Day Mon |
Frequently asked questions about your Cardiff Queen Street (CDQ) to London Heathrow Airport trip
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from Cardiff Queen Street (CDQ) to London Heathrow Airport.
Why should you book Cardiff Queen Street (CDQ) to London Heathrow Airport trains with Omio?
Why book with Omio vs Great Western Railway?
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare Great Western Railway with all available travel options, which are bus and train to ensure you get the best deal for traveling from Cardiff Queen Street (CDQ) to London Heathrow Airport.
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Cardiff Queen Street (CDQ) to London Heathrow Airport.
Train companies: Great Western Railway from Cardiff Queen Street (CDQ) to London Heathrow Airport trainsGreat Western Railway trains will get you between Cardiff Queen Street (CDQ) and London Heathrow Airport from £11. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
Companies, tickets, and onboard amenities between Cardiff Queen Street (CDQ) and London Heathrow Airport
Review the details behind your booking, from operators and ticket rules to luggage, onboard amenities, accessibility, and route-specific travel policies.
FAQs: Cardiff Queen Street (CDQ) to London Heathrow Airport train
Find answers to the most common questions about traveling from Cardiff Queen Street (CDQ) to London Heathrow Airport by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at London Heathrow Airport, this guide helps you travel smarter and with confidence.

popular train stations
Important Stations and Airports in Cardiff Queen Street (CDQ) and London Heathrow Airport
Most Cardiff Queen Street (CDQ) to London Heathrow Airport trains use the Cardiff Central to Heathrow Terminal 5 station pair. Use this guide to compare Cardiff Queen Street (CDQ) and London Heathrow Airport train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Getting to Cardiff Queen Street from Cardiff city centre
Cardiff Queen Street train station facilities and services
Cardiff Queen Street has practical services for this route, including Parking, Dining, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental and Information Desk.
Food and drink
Food and drink options are available at Cardiff Queen Street.
Tickets and information
Ticket office support is available at Cardiff Queen Street. Information desks are information available from staff: Yes - from ticket office, Helpline Contact: 03333 211202, Passenger Information Systems: Departure screens, Announcements, Arrival screens.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at Cardiff Queen Street: Parking, Taxis, WC.
Bike and car services
Available at Cardiff Queen Street: Bike Parking, Bike Rental.
Accessibility
Accessibility facilities are available at Cardiff Queen Street: Staff help available: Yes, Step free access coverage: Yes, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: The ticket machines are near the main entrance and take cash and major debit and credit cards, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: No, Impaired mobility set down / pick up points available: No.
Shops, hotels and contact
Nearby hotels include Travelodge.
Most popular train connections from Cardiff Queen Street (CDQ)
More options for your journey from Cardiff Queen Street (CDQ) to London Heathrow Airport
Here are some other resources that might have the information you need
