Cardiff to London Heathrow Airport train with Great Western Rail

Wed 07 Jan
+ Add return
Great Western Rail
Avanti West Coast
West Midlands Trains
Deutsche Bahn
PKP Intercity
1,000+ travel companies
Great Western Rail
Avanti West Coast
West Midlands Trains
Deutsche Bahn
PKP Intercity
1,000+ travel companies
QR-Code
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
rate4.9
42K ratings
Google Play
rate4.6
136K reviews

The cheapest and fastest trains from Cardiff to London Heathrow Airport

Showing times and prices for 07 Jan

Cheapest price

£97

Average price

£105

Fastest journey

2 h 32 m

Average duration

2 h 34 m

Trains per day

18

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 travelling at rush hour.

The average ticket from Cardiff to London Heathrow Airport will cost around £105 if you buy it on the day, but you can find cheap train tickets today for only £97.

Fast trains

To travel from Cardiff to London Heathrow Airport you need to make at least one change.

Great Western RailP22797+Tfl RailG24030 · G23477
09:192h32
Cardiff Central (CDF)
11:51Heathrow Terminals 2 & 3 (HXX)
£971One-way
2 changes
Great Western RailP22796+Tfl RailG23987 · G23457+Heathrow ExpressC28807
08:382h53
Cardiff Central (CDF)
11:31Heathrow Terminal 5 (HWV)
£971One-way
3 changes
Great Western RailP22797+Tfl RailG24030 · G23477
09:192h38
Cardiff Central (CDF)
11:57Heathrow Terminal 4 (HAF)
£971One-way
2 changes
Great Western RailP22796+Tfl RailG23987 · G23457
08:382h43
Cardiff Central (CDF)
11:21Heathrow Terminals 2 & 3 (HXX)
£971One-way
2 changes
Great Western RailP22796+Tfl RailG23987 · G23457
08:382h49
Cardiff Central (CDF)
11:27Heathrow Terminal 4 (HAF)
£971One-way
2 changes

Travel Information

Compare coach and train for Cardiff to London Heathrow Airport

Omio recommends booking the coach as it is the most popular option from Cardiff to London Heathrow Airport among Omio's users. If you are prioritising price take the coach with prices starting from £11. 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 coach costs an average of £11, and a train costs an average of £63.

Distance: 189 km

Compare train with

Train
Most popular
Coach

£76

Average Price

£19

Average Price

Cheapest

2h 46m

Average total duration

Fastest

2h 16m

Onboard

+

30m

Additional time*

3h 48m

Average total duration

3h 18m

Onboard

+

30m

Additional time*

Great Western Rail

Most popular train company

National Express

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, Tuesday 6 January. You can also manually refresh the results below to see updated train journeys.

Last updated at 20:11
ProviderDepartsDurationArrivesChanges
Tickets
great_westernP22817+tfl_railG24269 · G23540+heathrow_expressC28945
On time
20:18 Cardiff Central (CDF)
2h43
23:01 Heathrow Terminal 5 (HWV)
3 changes
great_westernP22817+heathrow_expressC28942
On time
20:18 Cardiff Central (CDF)
2h28
22:46 Heathrow Terminal 5 (HWV)
1 change
great_westernP22817+heathrow_expressC28942
On time
20:18 Cardiff Central (CDF)
2h22
22:40 Heathrow Terminals 2 & 3 (HXX)
1 change
great_westernP22817+tfl_railG24269 · G2354020:18 Cardiff Central (CDF)
2h33
22:51 Heathrow Terminals 2 & 3 (HXX)2 changes
great_westernP22817+tfl_railG2354020:18 Cardiff Central (CDF)
2h39
22:57 Heathrow Terminal 4 (HAF)1 change
great_westernP22817+tfl_railG24269 · G2354020:18 Cardiff Central (CDF)
2h39
22:57 Heathrow Terminal 4 (HAF)2 changes
Wednesday 7 January
great_westernP22795+tfl_railG23941 · G23434+heathrow_expressC28801
On time
08:18 Cardiff Central (CDF)
2h43
11:01 Heathrow Terminal 5 (HWV)
3 changes
great_westernP22795+tfl_railG23941 · G23814
On time
08:18 Cardiff Central (CDF)
2h47
11:05 Heathrow Terminal 5 (HWV)
2 changes
great_westernP22795+heathrow_expressC28801
On time
08:18 Cardiff Central (CDF)
2h43
11:01 Heathrow Terminal 5 (HWV)
1 change
great_westernP22795+tfl_railG23941 · G23434
On time
08:18 Cardiff Central (CDF)
2h33
10:51 Heathrow Terminals 2 & 3 (HXX)
2 changes
great_westernP22795+heathrow_expressC28801
On time
08:18 Cardiff Central (CDF)
2h37
10:55 Heathrow Terminals 2 & 3 (HXX)
1 change
great_westernP22795+tfl_railG23941 · G23434
On time
08:18 Cardiff Central (CDF)
2h39
10:57 Heathrow Terminal 4 (HAF)
2 changes
great_westernP22795+tfl_railG23446
On time
08:18 Cardiff Central (CDF)
2h54
11:12 Heathrow Terminal 4 (HAF)
1 change
great_westernP22796+heathrow_expressC28804
On time
08:38 Cardiff Central (CDF)
2h32
11:10 Heathrow Terminals 2 & 3 (HXX)
1 change
great_westernP22796+tfl_railG23457
On time
08:38 Cardiff Central (CDF)
2h49
11:27 Heathrow Terminal 4 (HAF)
1 change
great_westernP22796+tfl_railG23987 · G23457+heathrow_expressC28807
On time
08:38 Cardiff Central (CDF)
2h53
11:31 Heathrow Terminal 5 (HWV)
3 changes
great_westernP22796+tfl_railG23987 · G23457
On time
08:38 Cardiff Central (CDF)
2h43
11:21 Heathrow Terminals 2 & 3 (HXX)
2 changes
great_westernP22796+tfl_railG23987 · G23457
On time
08:38 Cardiff Central (CDF)
2h49
11:27 Heathrow Terminal 4 (HAF)
2 changes
great_westernP22796+tfl_railG23987 · G23825
On time
08:38 Cardiff Central (CDF)
2h57
11:35 Heathrow Terminal 5 (HWV)
2 changes
great_westernP22796+heathrow_expressC28804
On time
08:38 Cardiff Central (CDF)
2h38
11:16 Heathrow Terminal 5 (HWV)
1 change
great_westernP22797+tfl_railG24030 · G23477
On time
09:19 Cardiff Central (CDF)
2h32
11:51 Heathrow Terminals 2 & 3 (HXX)
2 changes
great_westernP22797+tfl_railG24030 · G23477
On time
09:19 Cardiff Central (CDF)
2h38
11:57 Heathrow Terminal 4 (HAF)
2 changes
great_westernP22797+tfl_railG23490
On time
09:19 Cardiff Central (CDF)
2h53
12:12 Heathrow Terminal 4 (HAF)
1 change
great_westernP22797+heathrow_expressC28813
On time
09:19 Cardiff Central (CDF)
2h36
11:55 Heathrow Terminals 2 & 3 (HXX)
1 change

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 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.

Wed
07 Jan
Thu
08 Jan
Fri
09 Jan
Sat
10 Jan
Sun
11 Jan
Mon
12 Jan
Tue
13 Jan
Wed
14 Jan
Thu
15 Jan
Fri
16 Jan
Sat
17 Jan
Sun
18 Jan
Mon
19 Jan
Tue
20 Jan
Wed
21 Jan
Thu
22 Jan
Fri
23 Jan
Sat
24 Jan
Sun
25 Jan
Mon
26 Jan
Tue
27 Jan

Journey information

Overview: Train from Cardiff to London Heathrow Airport

United KingdomUnited Kingdom
United KingdomUnited Kingdom
Icon of train

Trains from Cardiff to London Heathrow Airport run on average 66 times per day, taking around 2h 16m. Cheap train tickets for this journey start at £63 but you can travel from only £11 by coach.

The earliest train runs at 06:49, the last at 20:20. The fastest train covers the 189 km distance in 2h 28m.

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
Coach from £11
Distance
189 km
Average train duration
2h 16m
Cheapest ticket price
£63
Trains per day
66
Fastest train
2h 28m
First train
06:49
Last train
20:20
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
Coach from £11

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 £11. 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 28m
Cheapest Price
£63
Great Western Rail frequency
41 a day
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: Cardiff to London Heathrow Airport train

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.

FAQs
The train journey from Cardiff to London Heathrow Airport passes through the picturesque countryside of South Wales and parts of the English countryside, offering views of rolling hills, fields, and charming villages, making it relatively scenic.
A day trip from Cardiff to London Heathrow Airport is not feasible as the travel duration is 2h 28m. However, there are 66 trains per day covering the 189 km journey.
The cost of a train ticket from Cardiff to London Heathrow Airport can vary. The cheapest tickets are usually available from £63, while the average price tends to be around £76.
The cheapest way to get from Cardiff to London Heathrow Airport is by coach, costing approximately £11.
Booking trains from Cardiff to London Heathrow Airport in advance is advisable, especially during peak travel seasons or for long journeys, to ensure availability and secure better fares.
The train distance from Cardiff to London Heathrow Airport is 189 km.
The last train from Cardiff to London Heathrow Airport departs at 20:20.
The train journey from Cardiff to London Heathrow Airport covers a distance of 189 km and takes approximately 2h 28m. Trains run 66 per day.
There is no night train service from Cardiff to London Heathrow Airport.
The first train from Cardiff to London Heathrow Airport leaves at 6:49.
Trains from Cardiff to London Heathrow Airport run approximately 66 times per day.
Currently, there is no high-speed train service from Cardiff to London Heathrow Airport.
Yes, you can take the train from Cardiff to London Heathrow Airport.
Unfortunately, there is no direct train service currently available from Cardiff to London Heathrow Airport.
To get from Cardiff to London Heathrow Airport, you can choose from several travel options including coach and train.

popular train stations

Important Stations and Airports in Cardiff and London Heathrow Airport

Cardiff
London
Amenities at train station
WifiWifi
ShoppingShopping
ParkingParking
DiningDining
ATMATM
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
LoungeLounge
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
Bike RentalBike Rental
Car RentalCar Rental
information
ticketOfficeHours
Ticket Office Hours
  • Mon - Fri: 05:40 - 21:30
  • Sat: 05:40 - 21:30
  • Sun: 07:30 - 21:30
Wifi
Wifi
  • Free Wi-Fi in the station.
Shopping
Shopping
  • Type of shops available: News agent and convenience store
Parking
Parking
  • Car Park: Brewery Car park
Dining
Dining
  • Gourmet Coffee Bar & Kitchen
  • Pret a Manger
  • Tesco Express
Taxis
Taxis
  • Taxi: Taxi rank is on the right as you exit the main station entrance
Accessibility
Accessibility
  • There is step-free access in the whole station. There are also ramps for train access and elevators in the station.
WC
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
Hotel
  • Clayton Hotel Cardiff
  • Cardiff Marriott Hotel
  • Travelodge Cardiff Central
Lounge
Lounge
  • Waiting rooms location: On platforms 1/2, 3/4, 6/7 and 8.
Ticket Office
Ticket Office
  • Mon - Fri: 05:40 - 21:30
  • Sat: 05:40 - 21:30
  • Sun: 07:30 - 21:30
Bike Parking
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 transport 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
ParkingParking
DiningDining
AccessibilityAccessibility
HotelHotel
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
Bike RentalBike Rental
Information DeskInformation Desk
information
ticketOfficeHours
Ticket Office Hours
  • Opening hours: Monday, Tuesday, Wednesday, Thursday, Friday 07:30 - 18:30 Saturday 09:30 - 15:30 Sunday Closed
Parking
Parking
  • Car Park: No
Accessibility
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
Hotel
  • Travelodge
Information Desk
Information Desk
  • Information available from staff: Yes - from ticket office
  • Helpline Contact: 03333 211202
  • Passenger Information Systems: Departure screens, Arrival screens
Public transport 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
ParkingParking
DiningDining
TaxisTaxis
AccessibilityAccessibility
WCWC
HotelHotel
Lost and Found OfficeLost and Found Office
Ticket OfficeTicket Office
Bike ParkingBike Parking
Bike RentalBike Rental
Information DeskInformation Desk
information
ticketOfficeHours
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
Parking
  • Car Park: No
Accessibility
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
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
Hotel
  • Travelodge
Bike Parking
Bike Parking
  • Storage sheltered: No
  • Storage location: to the right of the station front
  • Storage CCTV: Yes
Information Desk
Information Desk
  • Information available from staff: Yes - from ticket office
  • Helpline Contact: 03333 211202
  • Passenger Information Systems: Departure screens, Announcements, Arrival screens
Public transport 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.

Most popular trains to and from London Heathrow Airport and Cardiff

HomeTrainsTrain Times to London Heathrow Airport Cardiff 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.

ios-badge
android-badge
Hand With Phone