1,000+ travel companies
1,000+ travel companies
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
4.942K ratings
Google Play
4.6136K reviews
The cheapest and fastest trains from Cardiff to London Heathrow Airport
Showing times and prices for Feb 26
Cheapest price
$133
Average price
$142
Fastest journey
2 h 32 m
Average duration
2 h 34 m
Trains per day
12
Distance
189 km
Cheap tickets
The best way to find a cheap train ticket from Cardiff 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 to London Heathrow Airport will cost around $142 if you buy it on the day, but the cheapest tickets can be found for only $133.
Fast trains
It's difficult to get from Cardiff to London Heathrow Airport without transferring at least once.
P22797+
G24030 · G2347709:19AM2h32
Cardiff Central (CDF)11:51AMHeathrow Terminals 2 & 3 (HXX)
$1331One-way
2 transfers
P22796+G23987 · G2382508:38AM2h57
Cardiff Central (CDF)11:35AMHeathrow Terminal 5 (HWV)
$1331One-way
2 transfers
P22796+G23987 · G23457+
C2880708:38AM2h53
Cardiff Central (CDF)11:31AMHeathrow Terminal 5 (HWV)
$1331One-way
3 transfers
P22796+G23987 · G2345708:38AM2h43
Cardiff Central (CDF)11:21AMHeathrow Terminals 2 & 3 (HXX)
$1331One-way
2 transfers
P22795+G23941 · G23434+C2880108:18AM2h43
Cardiff Central (CDF)11:01AMHeathrow Terminal 5 (HWV)
$1341One-way
3 transfers
P22797+G24030 · G2347709:19AM2h32
Cardiff Central (CDF)11:51AMHeathrow Terminals 2 & 3 (HXX)
$1331One-way
2 transfers
P22796+C2880408:38AM2h32
Cardiff Central (CDF)11:10AMHeathrow Terminals 2 & 3 (HXX)
$1521One-way
1 transfer
P22795+G23941 · G2343408:18AM2h33
Cardiff Central (CDF)10:51AMHeathrow Terminals 2 & 3 (HXX)
$1341One-way
2 transfers
P22797+C2881309:19AM2h36
Cardiff Central (CDF)11:55AMHeathrow Terminals 2 & 3 (HXX)
$1521One-way
1 transfer
P22795+C2880108:18AM2h37
Cardiff Central (CDF)10:55AMHeathrow Terminals 2 & 3 (HXX)
$1571One-way
1 transfer
Travel Information
Compare bus and train for Cardiff to London Heathrow Airport
Omio recommends booking the bus as it is the most popular option from Cardiff to London Heathrow Airport among Omio's users. If you are prioritising price take the bus with prices starting from $16. For those with little time consider booking a train which can get you there in 2h 16m. The ticket price range depends on the travel mode: a bus costs an average of $16, and a train costs an average of $66.
Distance: 117 miles (189 km)
Compare train with
| Train | Most popular Bus |
|---|---|
$108 Average price | $27 Average price Cheapest |
2h 46m Average total duration Fastest 2h 16m Onboard + 30m Additional time* | 3h 50m Average total duration 3h 20m Onboard + 30m Additional time* |
Most popular train company |  Most popular bus company |
Direct Options | Direct Options |
Live departures
Cardiff to London Heathrow Airport train times
The table below shows live departures for Cardiff to London Heathrow Airport trains for today, Wednesday, February 25. You can also manually refresh the results below to see updated train journeys.
Last updated at 2:26 AM
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| P22795+G23941 · G23434+C28801 | On time 8:18 AM Cardiff Central (CDF) | 2h43 | 11:01 AM Heathrow Terminal 5 (HWV) | 3 transfers | |
| P22795+G23941 · G23814 | On time 8:18 AM Cardiff Central (CDF) | 2h47 | 11:05 AM Heathrow Terminal 5 (HWV) | 2 transfers | |
| P22795+C28801 | On time 8:18 AM Cardiff Central (CDF) | 2h43 | 11:01 AM Heathrow Terminal 5 (HWV) | 1 transfer | |
| P22795+G23941 · G23434 | On time 8:18 AM Cardiff Central (CDF) | 2h33 | 10:51 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
| P22795+C28801 | On time 8:18 AM Cardiff Central (CDF) | 2h37 | 10:55 AM Heathrow Terminals 2 & 3 (HXX) | 1 transfer | |
| P22795+G23941 · G23434 | On time 8:18 AM Cardiff Central (CDF) | 2h39 | 10:57 AM Heathrow Terminal 4 (HAF) | 2 transfers | |
| P22795+G23446 | On time 8:18 AM Cardiff Central (CDF) | 2h54 | 11:12 AM Heathrow Terminal 4 (HAF) | 1 transfer | |
| P22796+C28804 | On time 8:38 AM Cardiff Central (CDF) | 2h32 | 11:10 AM Heathrow Terminals 2 & 3 (HXX) | 1 transfer | |
| P22796+G23457 | On time 8:38 AM Cardiff Central (CDF) | 2h49 | 11:27 AM Heathrow Terminal 4 (HAF) | 1 transfer | |
| P22796+G23987 · G23457+C28807 | On time 8:38 AM Cardiff Central (CDF) | 2h53 | 11:31 AM Heathrow Terminal 5 (HWV) | 3 transfers | |
| P22796+G23987 · G23457 | On time 8:38 AM Cardiff Central (CDF) | 2h43 | 11:21 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
| P22796+G23987 · G23457 | On time 8:38 AM Cardiff Central (CDF) | 2h49 | 11:27 AM Heathrow Terminal 4 (HAF) | 2 transfers | |
| P22796+G23987 · G23825 | On time 8:38 AM Cardiff Central (CDF) | 2h57 | 11:35 AM Heathrow Terminal 5 (HWV) | 2 transfers | |
| P22796+C28804 | On time 8:38 AM Cardiff Central (CDF) | 2h38 | 11:16 AM Heathrow Terminal 5 (HWV) | 1 transfer | |
| P22797+G24030 · G23477 | On time 9:19 AM Cardiff Central (CDF) | 2h32 | 11:51 AM Heathrow Terminals 2 & 3 (HXX) | 2 transfers | |
| P22797+G24030 · G23477 | On time 9:19 AM Cardiff Central (CDF) | 2h38 | 11:57 AM Heathrow Terminal 4 (HAF) | 2 transfers | |
| P22797+G23490 | On time 9:19 AM Cardiff Central (CDF) | 2h53 | 12:12 PM Heathrow Terminal 4 (HAF) | 1 transfer | |
| P22797+C28813 | On time 9:19 AM Cardiff Central (CDF) | 2h36 | 11:55 AM Heathrow Terminals 2 & 3 (HXX) | 1 transfer | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Cardiff 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.
Wed
Feb 25
Feb 25
Thu
Feb 26
Feb 26
Fri
Feb 27
Feb 27
Sat
Feb 28
Feb 28
Sun
Mar 01
Mar 01
Mon
Mar 02
Mar 02
Tue
Mar 03
Mar 03
Wed
Mar 04
Mar 04
Thu
Mar 05
Mar 05
Fri
Mar 06
Mar 06
Sat
Mar 07
Mar 07
Sun
Mar 08
Mar 08
Mon
Mar 09
Mar 09
Tue
Mar 10
Mar 10
Wed
Mar 11
Mar 11
Thu
Mar 12
Mar 12
Fri
Mar 13
Mar 13
Sat
Mar 14
Mar 14
Sun
Mar 15
Mar 15
Mon
Mar 16
Mar 16
Tue
Mar 17
Mar 17
Why should you book Cardiff to London Heathrow Airport trains with Omio?
Great Western Rail operates all trains services from Cardiff to London Heathrow Airport.
Omio is an official ticket reseller for all your travel options from Cardiff to London Heathrow Airport.
Why book with Omio vs Great Western Rail?
- 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 Rail with all available travel options, which are bus and train to ensure you get the best deal for traveling from Cardiff 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 to London Heathrow Airport.
Journey information
Overview: Train from Cardiff to London Heathrow Airport
United KingdomUnited Kingdom
Trains from Cardiff to London Heathrow Airport run on average 103 times per day, taking around 2h 16m. Cheap train tickets for this journey start at $66 (€53) but you can travel from only $16 (€12) by bus.
The earliest train runs at 08:18, the last at 20:18. The fastest train covers the 117 miles (189 km) distance in 2h 27m.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $16 (€12)
Distance 117 miles (189 km) |
Average train duration 2h 16m |
Cheapest ticket price $66 (€53) |
Trains per day 103 |
Fastest train 2h 27m |
First train 08:18 |
Last train 20:18 |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Cheapest alternative travel mode
Bus from $16 (€12)
Train companies: Great Western Rail from Cardiff to London Heathrow Airport trainsGreat Western Rail trains will get you between Cardiff and London Heathrow Airport from $16 (€12). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Great Western Rail
About
Great Western Railway is a train operating company in the United Kingdom. It operates services from London Paddington to the West of England, South Wales and the Cotswolds. It also operates services from London Paddington to Oxford, Reading and Bristol. It offers a range of ticket types, including Advance, Anytime, Off-Peak and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, air conditioning and catering services. The most popular routes for Great Western Railway are London Paddington to Bristol, Reading and Oxford.
Luggage & cancellation policy
Average Duration
2h 27m
Cheapest Price
$66 (€53)
Luggage included
Two pieces of luggage and one piece of hand luggage included in ticket price
Luggage storage
Overhead racks, dedicated luggage areas at end of carriages, under seats
Cancellation Policy
Refund policies apply as per ticket type
Refund
Full refund if train is cancelled
Amenities on board the train
Wifi
Food sold onboard
Cafe bar serving hot and cold drinks, snacks, sandwiches. First Class at-seat service on some routes
Seat reservation
Optional seat reservations available for a fee. Free in First Class
Toilets
USB plugs
Accessibility
Wheelchair spaces, accessible toilets, ramps for boarding, priority seating, assistance service available
Pets
Small pets travel free. Dogs must be on lead. Maximum two dogs per passenger
Quiet zone
FAQs: Trains from Cardiff to London Heathrow Airport
Find answers to the most common questions about traveling from Cardiff 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.
Train ticket prices from Cardiff to London Heathrow Airport can vary. The cheapest ticket starts at $66 (€53), while the average price is around $108 (€86).
The train from Cardiff to London Heathrow Airport takes 2h 27m and runs 103 per day.
The distance by train from Cardiff to London Heathrow Airport is 117 miles (189 km).
The first train from Cardiff to London Heathrow Airport leaves at 8:18 AM.
The last train from Cardiff to London Heathrow Airport leaves at 8:18 PM.
There is no high speed train available from Cardiff to London Heathrow Airport.
There is no direct train service currently available from Cardiff to London Heathrow Airport.
Unfortunately, there is no night train available from Cardiff to London Heathrow Airport.
The cheapest way to get from Cardiff to London Heathrow Airport is by bus, with a cost of around $16 (€12).
The train journey from Cardiff to London Heathrow Airport is not particularly known for its scenic views, as it primarily passes through urban and suburban areas, with some stretches of countryside.
A day trip from Cardiff to London Heathrow Airport is not feasible as the journey time is 2h 27m, exceeding the 120-minute threshold. Trains run 66 times per day on this route.
Yes, you can take the train from Cardiff to London Heathrow Airport.
popular train stations
Popular train stations from Cardiff to London Heathrow Airport
Cardiff
London
Amenities at train station
Wifi
Shopping
Parking
Dining
ATM
Taxis
Accessibility
WC
Hotel
Lounge
Lost and Found Office
Ticket Office
Bike Parking
Bike Rental
Car Rentalinformation
Ticket Office Hours
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
Wifi
- Free Wi-Fi in the station.
Shopping
- Type of shops available: News agent and convenience store
Parking
- Car Park: Brewery Car park
Dining
- Gourmet Coffee Bar & Kitchen
- Pret a Manger
- Tesco Express
Taxis
- Taxi: Taxi rank is on the right as you exit the main station entrance
Accessibility
- There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
WC
- 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
Hotel
- Clayton Hotel Cardiff
- Cardiff Marriott Hotel
- Travelodge Cardiff Central
Lounge
- Waiting rooms location: On platforms 1/2, 3/4, 6/7 and 8.
Ticket Office
- Mon - Fri: 05:40 - 21:30
- Sat: 05:40 - 21:30
- Sun: 07:30 - 21:30
Bike Parking
- 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
Public transit options for Cardiff Central
- 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)
Amenities at train station
ParkingDiningAccessibilityHotelLost and Found OfficeTicket OfficeBike ParkingBike Rental
Information Deskinformation
Ticket Office Hours
- Opening hours: Monday, Tuesday, Wednesday, Thursday, Friday 07:30 - 18:30 Saturday 09:30 - 15:30 Sunday Closed
Parking
- Car Park: No
Accessibility
- Staff help available: Yes
- Step free access coverage: No
- Step free access note: Category B3. While both platforms are step-free, there is no facility for wheelchair users, mobility scooter users or persons with reduced mobility to cross between Platform 1 and 2 due to a steep footbridge. Customers who have travelled from the Valleys and wish to access the University or the Civic Centre are advised to travel to Queen Street station, change onto a North-bound service and alight at Cathays on the return service.
- Accessible ticket machines: There are accessible ticket machines at this station
- Accessible ticket machines note: The ticket machine(s) take cash, and major debit and credit cards. The machine on the Cardiff-bound platform is only available during staffing hours. The machine on the Pontypridd-bound platform is available all the time.
- Ramp for train access: Yes
- Wheelchairs available: No
- Impaired mobility set down / pick up points available: No
Hotel
- Travelodge
Information Desk
- Information available from staff: Yes - from ticket office
- Helpline Contact: 03333 211202
- Passenger Information Systems: Departure screens, Arrival screens
Public transit options for Cathays
- Onward travel information: The nearest bus stop is on Park Place
- Location for Rail Replacement Services: At the bus stops adjacent to the Cardiff University Students' Union on Park Place
Amenities at train station
ParkingDiningTaxisAccessibilityWCHotelLost and Found OfficeTicket OfficeBike ParkingBike RentalInformation Deskinformation
Ticket Office Hours
- 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.
Parking
- Car Park: No
Accessibility
- 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
WC
- 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
Hotel
- Travelodge
Bike Parking
- Storage sheltered: No
- Storage location: to the right of the station front
- Storage CCTV: Yes
Information Desk
- Information available from staff: Yes - from ticket office
- Helpline Contact: 03333 211202
- Passenger Information Systems: Departure screens, Announcements, Arrival screens
Public transit options for Cardiff Queen Street
- 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.
More options for your journey from Cardiff to London Heathrow Airport
Here are some other resources that might have the information you need
Most popular trains to and from London Heathrow Airport and Cardiff
Most popular train connections to London Heathrow Airport
HomeTrainsTrains in United KingdomTrain Times to London Heathrow AirportCardiff to London Heathrow Airport train
The Omio App Makes Travel Planning Easy
We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.
