The cheapest and fastest trains from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ)
Cheapest price
$97
Average price
$104
Fastest journey
2 h 46 m
Average duration
2 h 56 m
Trains per day
2
Distance
188 km
The best way to find a cheap train ticket from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) will cost around $104 if you buy it on the day, but the cheapest tickets can be found for only $97.
Of the 2 trains that leave Heathrow Terminals 2 & 3 (HXX) for Cardiff Queen Street (CDQ) on Mon, Mar 30, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Mar 30 the direct trains cover the 188 km distance in an average of 2 h 56 m but if you time it right, some trains will get you there in just 2 h 46 m .
On Mon, Mar 30 the slowest trains will take 3 h 5 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
08:51AM3h05Heathrow Terminals 2 & 3 (HXX)11:56AMCardiff Queen Street (CDQ)$971One-way0 transfers
08:36AM2h46Heathrow Terminals 2 & 3 (HXX)11:22AMCardiff Queen Street (CDQ)$1121One-way0 transfers
08:36AM2h46Heathrow Terminals 2 & 3 (HXX)11:22AMCardiff Queen Street (CDQ)$1121One-way0 transfers
08:51AM3h05Heathrow Terminals 2 & 3 (HXX)11:56AMCardiff Queen Street (CDQ)$971One-way0 transfers
Travel Information
Compare bus and train for Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ)
Omio recommends booking the bus as it is the most popular option from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) among Omio's users. If you are prioritising price take the bus with prices starting from $10. For those with little time consider booking a train which can get you there in 2h 11m. The ticket price range depends on the travel mode: a bus costs an average of $10, and a train costs an average of $97.
Distance: 116 miles (188 km)
Compare train with
| Train | Most popular Bus |
|---|---|
$115 Average price | $12 Average price Cheapest |
2h 41m Average total duration Fastest 2h 11m Onboard + 30m Additional time* | 4h 15m Average total duration 3h 45m Onboard + 30m Additional time* |
![]() Most popular train company | ![]() Most popular bus company |
Direct Options | Direct Options |
Live departures
Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) train times
The table below shows live departures for Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) trains for tomorrow, Sunday, March 29. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 8:36 AM Heathrow Terminals 2 & 3 (HXX) | 2h46 | 11:22 AM Cardiff Queen Street (CDQ) | 0 transfersDirect | |
![]() | 8:51 AM Heathrow Terminals 2 & 3 (HXX) | 3h05 | 11:56 AM Cardiff Queen Street (CDQ) | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) by bus or train
Compare bus and train prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Mar 30
Mar 31
Apr 01
Apr 02
Apr 03
Apr 04
Apr 05
Why should you book Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) 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 Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ).
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 Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ).
Journey information
Overview: Train from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ)
Trains from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) run on average 9 times per day, taking around 2h 11m. Cheap train tickets for this journey start at $97 (€79) but you can travel from only $10 (€8) by bus.
The earliest train runs at 08:36, the last at 12:21. The fastest train covers the 116 miles (188 km) distance in 2h 46m.
Distance 116 miles (188 km) |
Average train duration 2h 11m |
Cheapest ticket price $97 (€79) |
Trains per day 9 |
Fastest train 2h 46m |
First train 08:36 |
Last train 12:21 |
Train companies: Great Western Railway from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) trainsGreat Western Railway trains will get you between Heathrow Terminals 2 & 3 (HXX) and Cardiff Queen Street (CDQ) from $10 (€8). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Railway
FAQs: Trains from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ)
Find answers to the most common questions about traveling from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ) 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 Cardiff Queen Street (CDQ), this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ)
- Opening hours: Monday - Sunday 05:00 - 23:59
- Car Park: No
- Staff help available: Yes
- Step free access coverage: Yes
- Step free access note: Level access to platforms, lifts to airport facilities. Ticket Office is step free. Wheelchair users can board trains with ease as the platforms are level with the trains.
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible toilets: Yes
- Ramp for train access: No
- Wheelchairs available: Yes
- Impaired mobility set down / pick up points available: No
- National key toilets: No
- Baby changing facilities: Yes
- Onward travel information: National Rail trains serving London Paddington National Express coaches to Victoria Coach Station and Gatwick Airport London Underground
- Metro: Connection available with the London Underground (Piccadilly Line)
- Opening hours: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday 07:40 - 18:00 Sunday 10:00 - 15:30 Temporary opening hours due to the COVID-19 pandemic.
- Car Park: No
- 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
- Toilets Location: The toilets are located on Platform 4. The National key toilets are located on the Main Concourse to the right of the Ticket Office; these toilets are operated by a radar key and are only available during staffing hours.
- National key toilets: Yes
- Baby changing facilities: No
- Travelodge
- Storage sheltered: No
- Storage location: to the right of the station front
- Storage CCTV: Yes
- Information available from staff: Yes - from ticket office
- Helpline Contact: 03333 211202
- Passenger Information Systems: Departure screens, Announcements, Arrival screens
- Onward travel information: Limited service from stop outside station Mondays to Fridays
- Location for Rail Replacement Services: For services towards Cardiff Central use the bus stop at the front of the station. For services towards Cathays use the bus stop in front of the shop opposite the station entrance. Please ask a member of station staff if you are unsure of which stop to use.
Most popular train connections from Heathrow Terminals 2 & 3 (HXX)
More options for your journey from Heathrow Terminals 2 & 3 (HXX) to Cardiff Queen Street (CDQ)
Here are some other resources that might have the information you need

