Bus from Cardiff to London Heathrow Airport (LHR)

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Which bus from Cardiff to London Heathrow Airport is the best?

Check the bus schedule for Cardiff to London Heathrow Airport. Here is a selection of the cheapest coach trips for the next days from bus operators like National Express or FlixBus. To see the full timetable for all coaches just use or search and compare.

today
£17
tomorrow
£15
Sunday
£13
Monday
£13
Tuesday
£9
Wednesday
£13
Thursday
£11

Cheapest bus trips today

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 3h 50m 03:45 Cardiff Kingsway Coach Stop 07:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £17
FlixBus 3h 30m 03:45 Cardiff Kingsway Coach Stop 07:15 London Heathrow Airport Heathrow Coach Station  Economy £17
FlixBus 3h 40m 02:45 Cardiff Kingsway Coach Stop 06:25 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £18
National Express 3h 25m 05:25 Cardiff Coach Station 08:50 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £19
National Express 5h 50m 03:20 Cardiff University 09:10 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £22

Cheapest bus trips tomorrow

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 3h 5m 03:40 Cardiff Coach Station 06:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15
National Express 3h 10m 05:40 Cardiff Coach Station 08:50 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15
National Express 2h 40m 03:40 Cardiff Coach Station 06:20 London Heathrow Airport Heathrow Coach Station  Economy £15
FlixBus 4h 5m 16:45 Cardiff Kingsway Coach Stop 20:50 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16
FlixBus 3h 45m 16:45 Cardiff Kingsway Coach Stop 20:30 London Heathrow Airport Heathrow Coach Station  Economy £16

Cheapest bus trips Sunday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 3h 45m 16:40 Cardiff Coach Station 20:25 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £13
National Express 3h 5m 03:40 Cardiff Coach Station 06:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15
National Express 3h 10m 05:40 Cardiff Coach Station 08:50 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15
FlixBus 3h 40m 02:45 Cardiff Kingsway Coach Stop 06:25 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16
FlixBus 3h 50m 03:45 Cardiff Kingsway Coach Stop 07:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16

Cheapest bus trips Monday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 3h 50m 04:45 Cardiff Kingsway Coach Stop 08:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £13
FlixBus 3h 30m 04:45 Cardiff Kingsway Coach Stop 08:15 London Heathrow Airport Heathrow Coach Station  Economy £13
National Express 3h 15m 03:25 Cardiff Coach Station 06:40 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £13
National Express 2h 50m 03:25 Cardiff Coach Station 06:15 London Heathrow Airport Heathrow Coach Station  Economy £13
FlixBus 3h 40m 00:45 Cardiff Kingsway Coach Stop 04:25 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £14

Cheapest bus trips Tuesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 3h 30m 04:30 Cardiff Coach Station 08:00 London Heathrow Airport Heathrow Coach Station  Economy £9
National Express 4h 0m 14:55 Cardiff Coach Station 18:55 London Heathrow Airport Heathrow Coach Station  Economy £9
National Express 3h 35m 16:30 Cardiff Coach Station 20:05 London Heathrow Airport Heathrow Coach Station  Economy £9
National Express 3h 55m 04:30 Cardiff Coach Station 08:25 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £9
National Express 4h 15m 14:55 Cardiff Coach Station 19:10 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £9

Cheapest bus trips Wednesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 3h 40m 02:45 Cardiff Kingsway Coach Stop 06:25 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £13
FlixBus 3h 50m 03:45 Cardiff Kingsway Coach Stop 07:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £13
FlixBus 3h 50m 04:45 Cardiff Kingsway Coach Stop 08:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £13
National Express 3h 15m 03:25 Cardiff Coach Station 06:40 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15
National Express 3h 40m 02:35 Cardiff Coach Station 06:15 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16

Cheapest bus trips Thursday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 3h 40m 00:45 Cardiff Kingsway Coach Stop 04:25 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £11
FlixBus 3h 40m 02:45 Cardiff Kingsway Coach Stop 06:25 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £11
FlixBus 3h 50m 03:45 Cardiff Kingsway Coach Stop 07:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £11
National Express 2h 50m 03:25 Cardiff Coach Station 06:15 London Heathrow Airport Heathrow Coach Station  Economy £15
National Express 3h 25m 05:25 Cardiff Coach Station 08:50 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15

Best Price Offer: The price for the cheapest bus from Cardiff to London Heathrow Airport is £9 on 09/12/2025. Flexible travelers save on ticket prices.


What is the best day and time to travel by bus between Cardiff and London Heathrow Airport?

Here is the frequency of all coach connections from Cardiff to London Heathrow Airport. See on which day of the week you have more travel options and what time you have more bus trips to choose from.
Sunday is the busiest day, with more than 94 daily coaches from Cardiff to London Heathrow Airport. Tuesday has instead the fewest connections, with only 62 daily coaches between Cardiff and London Heathrow Airport.
The busiest time of the day is the Morning, with 203 coaches from Cardiff to London Heathrow Airport, while Evening sees the fewest connections between Cardiff and London Heathrow Airport, with only 102 offers.

All facts for Cardiff to London Heathrow Airport (LHR) bus at a glance

Compare all coach operators like National Express and FlixBus that travel daily 84 times by bus from Cardiff to London Heathrow Airport in one click. Book your Cardiff to London Heathrow Airport bus ticket starting from £9!

Cheapest Bus £9
Fastest Bus 2h 40m
Earliest Coach 00:45
Latest Coach 23:40
Daily Bus Connections 84 Ø
Distance 188.7 km
Coach Companies National Express and FlixBus

What are the cheapest coach tickets from Cardiff to London Heathrow Airport?

Every day, 84 buses from 2 coach companies leave Cardiff for London Heathrow Airport. Check the table below to find the cheapest prices for coach tickets for this route, starting from 05/12/2025 and for the following days. Make sure get the cheapest bus ticket!

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday 01/12
Tuesday 02/12
Wednesday 03/12
Thursday 04/12
Friday 05/12
£17
Saturday 06/12
£15
Sunday 07/12
£13
Monday 08/12
£13
Tuesday 09/12
£14
Wednesday 10/12
£13
Thursday 11/12
£15
Friday 12/12
£14
Saturday 13/12
£16
Sunday 14/12
£19
Monday 15/12
£13
Tuesday 16/12
£14
Wednesday 17/12
£15
Thursday 18/12
£15
Friday 19/12
£16
Saturday 20/12
£19
Sunday 21/12
£20
Monday 22/12
£33
Tuesday 23/12
£20
Wednesday 24/12
£29
Thursday 25/12
£19
Friday 26/12
£18
Saturday 27/12
£19
Sunday 28/12

The cheapest time to travel from Cardiff to London Heathrow Airport

See here on which day and which time of the day you can find the cheapest bus ticket from Cardiff to London Heathrow Airport, for the next 30 days.
With a price starting from £9, Tuesday is the cheapest day for a coach from Cardiff to London Heathrow Airport. Saturday instead is the most expensive day with prices starting from £15.
Afternoon is the cheapest day time for bus tickets from Cardiff to London Heathrow Airport, with £9. Morning is the most expensive time of the day with prices starting from £11.

How to save money travelling from Cardiff to London Heathrow Airport

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying higher prices for your trip? Plan your bus trips smartly. Here are a few hacks to save money on your coach journey.

Book the ticket from Cardiff to London Heathrow Airport in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Cardiff to London Heathrow Airport, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later coaches from Cardiff to London Heathrow Airport are also emptier.

Check for bus deals and promotions for all bus companies in this route. On CheckMyBus we show special offers directly in the coach trip on our search. Sign-up and check or deals sections and get notifications on our latest travel hacks.

What are the most popular bus companies from Cardiff to London Heathrow Airport?

These are the most booked bus companies by our users on the Cardiff to London Heathrow Airport timetable.

FlixBus from Cardiff to London Heathrow Airport

FlixBus

Here you will find the key facts about the FlixBus bus route Cardiff to London Heathrow Airport:

Cheapest Price £11
Fastest Coach 3h 20m
Earliest Coach 00:45
Last Coach 23:35
Daily Connections 20 Ø
Found on 04/12/2025

National Express from Cardiff to London Heathrow Airport

National Express

Here you will find the key facts about the National Express bus route Cardiff to London Heathrow Airport:

Cheapest Price £9
Fastest Coach 2h 40m
Earliest Coach 01:40
Last Coach 23:40
Daily Connections 66 Ø
Found on 04/12/2025
In total 2 operators offer buses for this route. Find all bus timetables for them. Each coach company has a dedicated cancellation policy and possibilities for transport luggage on the bus. Check also special conditions to travel with kids or coach cards with rebates.

All bus stations and stops in Cardiff and London Heathrow Airport

Here is a map with all coach stations in Cardiff and London Heathrow Airport. Compare which stop is closest to your destination to save time to find the fastest buses and connections.

Compare the bus with other modes of transport

The bus is often the cheapest mode of transport, while other modes like train or flight are faster. Looking for quicker alternatives to travel from Cardiff to London Heathrow Airport? Compare all modes of transports from Cardiff to London Heathrow Airport.

All you need to know when you travel by bus from Cardiff to London Heathrow Airport

Check all information on comfort and services on the coaches from Cardiff to London Heathrow Airport. Which seat classes are available or what are the amenities of operators on your coach trip? Below you´ll find answers to your questions.

FAQs for Cardiff to London Heathrow Airport bus

How much does a Cardiff - London Heathrow Airport coach trip cost?

This depends on, among other things, the day and travel time. The cheapest airport transfer for the Cardiff - London Heathrow Airportroute is available from £9 and takes 3h 35m. Compare offers and save money!

How much could I save by comparing buses from Cardiff to London Heathrow Airport?

The connection Cardiff to London Heathrow Airport is offered by 2 companies with ticket prices ranging from £9 to £48. Therefore, we suggest booking your ticket as soon as possible to ensure you will get the cheapest ticket price.

How many connections are available for the Cardiff - London Heathrow Airport route on average every day?

Each day, the bus route from Cardiff to London Heathrow Airport is offered by roughly 84 busses. By using our search, you can compare bus schedules and find your ideal trip.

How long does a bus to London Heathrow Airport from Cardiff take?

The quickest transfer from Cardiff to London Heathrow Airport is provided by National Express and takes 2h 40m. Coach tickets for this connection cost £27. However, keep in mind that the connection can take longer due to traffic.

What time is the first bus from Cardiff to London Heathrow Airport?

The earliest bus to London Heathrow Airport departs from Cardiff at 00:45. In this context, information about departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

What time is the last coach from Cardiff to London Heathrow Airport?

The latest bus to London Heathrow Airport departs from Cardiff at 23:40. Please note that departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

Which bus companies serve the Cardiff - London Heathrow Airport route?

Passengers looking to travel from Cardiff to London Heathrow Airport can travel with National Express and FlixBus. Compare all available bus tickets with our search to book the trip that works best for you.

Is there a direct bus between Cardiff and London Heathrow Airport?

You can check all the direct connections between Cardiff and London Heathrow Airport by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct transfer: National Express and FlixBus.

What can I take with me on the bus to London Heathrow Airport from Cardiff?

Depending on which provider you travel with, what you are allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the bus for the Cardiff London Heathrow Airport bus route free of charge. Simply use our search to find a coach that is best suited to your needs for your planned travel date.

What equipment is available for the Cardiff London Heathrow Airport bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make travelling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the transfer from Cardiff to London Heathrow Airport on your planned travel date.

Available seat classes which are offered on the bus route Cardiff to London Heathrow Airport

Economy
Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Cardiff and to London Heathrow Airport

Here’s an overview of the most popular bus routes to Cardiff and to London Heathrow Airport. Simply click on the connection of your choice, and you will find all the details about your bus route!
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CheckMyBus › Coaches in United Kingdom › Coach to Cardiff › Coach to London Heathrow Airport

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