The cheapest and fastest trains from Cardiff Central (CDF) to London Heathrow Airport
Cheapest price
$98
Average price
$98
Fastest journey
2 h 32 m
Average duration
2 h 32 m
Trains per day
1
Distance
189 km
The best way to find a cheap train ticket from Cardiff Central (CDF) to London Heathrow Airport is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Cardiff Central (CDF) to London Heathrow Airport will cost around $98 if you buy it on the day, but the cheapest tickets can be found for only $98.
Of the 1 trains that leave Cardiff Central (CDF) for London Heathrow Airport on Fri, Nov 07, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Fri, Nov 07 the direct trains cover the 189 km distance in an average of 2 h 32 m but if you time it right, some trains will get you there in just 2 h 32 m .
On Fri, Nov 07 the slowest trains will take 2 h 32 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 bus and train for Cardiff Central (CDF) to London Heathrow Airport
Omio recommends booking the train as it is the most popular option from Cardiff Central (CDF) to London Heathrow Airport among Omio's users. If you are prioritising price take the bus with prices starting from €12. 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 bus costs an average of €12, and a train costs an average of €36.
Distance: 117 miles (189 km)
Compare train with
Most popular Train | Bus | Ferry |
|---|---|---|
€79 Average price | €20 Average price Cheapest | €21 Average price |
2h 45m Average total duration 2h 15m Onboard + 30m Additional time* | 3h 46m Average total duration 3h 16m Onboard + 30m Additional time* | 1h 40m Average total duration Fastest 40m Onboard + 1h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Cardiff Central (CDF) to London Heathrow Airport train times
The table below shows live departures for Cardiff Central (CDF) to London Heathrow Airport trains for today, Thursday, November 6. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
P08479+ P07167 · P06614 | On time 9:19 AM Cardiff Central (CDF) | 2h32 | 11:51 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
P08479+ P06627 | On time 9:19 AM Cardiff Central (CDF) | 2h53 | 12:12 PM Heathrow Terminal 4 (HAF) | 1 transfer | |
P08479+ C22947 | On time 9:19 AM Cardiff Central (CDF) | 2h36 | 11:55 AM Heathrow Terminals 2 & 3 (HXX) | 1 transfer | |
P08479+ P07167 · P06614 | On time 9:19 AM Cardiff Central (CDF) | 2h38 | 11:57 AM Heathrow Terminal 4 (HAF) | 2 transfers | |
| Friday, November 7 | |||||
![]() | 8:19 AM Cardiff Central (CDF) | 2h32 | 10:51 AM London Heathrow Airport | 0 transfersDirect | |
Find all the dates and times for this journey
Compare prices and tickets Cardiff Central (CDF) to London Heathrow Airport 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.
Nov 07
Nov 08
Nov 09
Nov 10
Nov 11
Nov 12
Nov 13
Journey information
Overview: Train from Cardiff Central (CDF) to London Heathrow Airport
Trains from Cardiff Central (CDF) to London Heathrow Airport run on average 30 times per day, taking around 2h 15m. Cheap train tickets for this journey start at $44 (€36) but you can travel from only $15 (€12) by bus.
The earliest train runs at 04:07, the last at 17:18. The fastest train covers the 117 miles (189 km) distance in 2h 27m.
Distance 117 miles (189 km) |
Average train duration 2h 15m |
Cheapest ticket price $44 (€36) |
Trains per day 30 |
Fastest train 2h 27m |
First train 04:07 |
Last train 17:18 |
Train companies: Great Western Rail from Cardiff Central (CDF) to London Heathrow Airport trainsGreat Western Rail trains will get you between Cardiff Central (CDF) and London Heathrow Airport from $15 (€12). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
FAQs: Trains from Cardiff Central (CDF) to London Heathrow Airport
Find answers to the most common questions about traveling from Cardiff Central (CDF) 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
Popular train stations from Cardiff Central (CDF) to London Heathrow Airport
- 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 Cardiff Central (CDF)
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