The cheapest and fastest trains from Heathrow Terminal 5 (HWV) to Cardiff Central (CDF)
Cheapest price
£43
Average price
£75
Fastest journey
2 h 47 m
Average duration
2 h 58 m
Trains per day
4
Distance
186 km
The best way to find a cheap train ticket from Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) will cost around £75 if you buy it on the day, but you can find cheap train tickets today for only £43.
Of the 4 trains that leave Heathrow Terminal 5 (HWV) for Cardiff Central (CDF) every day 4 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct trains cover the 186 km distance in an average of 2 h 58 m but if you time it right, some trains will get you there in just 2 h 47 m .
The slowest trains will take 3 h 13 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.








Travel Information
Compare coach and train for Heathrow Terminal 5 (HWV) to Cardiff Central (CDF)
Omio recommends booking the train as it is the most popular option from Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) among Omio's users. If you are prioritising price take the coach with prices starting from £7. For those with little time consider booking a ferry which can get you there in 40m. The ticket price range depends on the travel mode: a coach costs an average of £7, and a train costs an average of £37.
Distance: 186 km
Compare train with
Most popular Train | Coach | Ferry |
|---|---|---|
£78 Average Price | £11 Average Price Cheapest | £19 Average Price |
2h 45m Average total duration 2h 15m Onboard + 30m Additional time* | 4h 6m Average total duration 3h 36m Onboard + 30m Additional time* | 1h 40m Average total duration Fastest 40m Onboard + 1h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) train times
The table below shows live departures for Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) trains for today, Wednesday 17 December. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 15:20 Heathrow Terminal 5 (HWV) | 2h50 | 18:10 Cardiff Central (CDF) | 0 changesdirect | |
| Thursday 18 December | |||||
![]() | 07:27 Heathrow Terminal 5 (HWV) | 3h13 | 10:40 Cardiff Central (CDF) | 0 changesdirect | |
![]() | 07:42 Heathrow Terminal 5 (HWV) | 2h58 | 10:40 Cardiff Central (CDF) | 0 changesdirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) by coach or train
Compare coach 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.
18 Dec
19 Dec
20 Dec
21 Dec
22 Dec
23 Dec
24 Dec
Journey information
Overview: Train from Heathrow Terminal 5 (HWV) to Cardiff Central (CDF)
Trains from Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) run on average 11 times per day, taking around 2h 15m. Cheap train tickets for this journey start at £37 but you can travel from only £7 by coach.
The earliest train runs at 05:27, the last at 21:20. The fastest train covers the 186 km distance in 2h 40m.
Distance 186 km |
Average train duration 2h 15m |
Cheapest ticket price £37 |
Trains per day 11 |
Fastest train 2h 40m |
First train 05:27 |
Last train 21:20 |
Train companies: Great Western Rail from Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) trainsGreat Western Rail trains will get you between Heathrow Terminal 5 (HWV) and Cardiff Central (CDF) from £7. With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
FAQs: Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) train
Find answers to the most common questions about traveling from Heathrow Terminal 5 (HWV) to Cardiff Central (CDF) 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 Central (CDF), this guide helps you travel smarter and with confidence.

popular train stations
Important Stations and Airports in Heathrow Terminal 5 (HWV) and Cardiff Central (CDF)
- 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
- Ramp for train access: Yes
- Wheelchairs available: Yes
- Impaired mobility set down / pick up points available: No
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
- Free Wi-Fi in the station.
- Type of shops available: News agent and convenience store
- Car Park: Brewery Car park
- Gourmet Coffee Bar & Kitchen
- Pret a Manger
- Tesco Express
- Taxi: Taxi rank is on the right as you exit the main station entrance
- There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
- Toilets Location: The toilets are located on Platforms 1 to 8. The National Key toilets are located in the East Subway near the lifts and on Platform 8; these toilets are operated by a radar key and are only available during staffing hours.
- National key toilets: Yes
- National key toilets location: The National Key/Accessible toilets are located in the East Subway near the lifts and on Platform 8; these toilets are operated by a RADAR key and are only available during staffing hours.
- Baby changing facilities: Yes
- Clayton Hotel Cardiff
- Cardiff Marriott Hotel
- Travelodge Cardiff Central
- Waiting rooms location: On platforms 1/2, 3/4, 6/7 and 8.
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
- Storage sheltered: Yes
- Storage location: East end of platforms 1 and 2, 3 and 4, 6 and 7 - also at the front and rear of the station.
- Storage CCTV: Yes
- Commuter rail lines: City Line, Rhondda Line, Rhymney Line, Valley Line, South Wales Main Line
- Train lines: Transport for Wales, CrossCountry, Great Western Railway
- Location for Rail Replacement Services: At the rear car park (Penarth Road entrance)
Most popular train connections from Heathrow Terminal 5 (HWV)
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