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
from £13
tomorrow
from £13
Wednesday
from £12
Thursday
from £11
Friday
from £11
Saturday
from £11
Sunday
from £15

Cheapest bus trips today

Prices are for one way and one person
  • FlixBus
    3h 40m
    0
    02:45
    Cardiff
    Lloyd George Avenue
    06:25
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £13
  • FlixBus
    3h 50m
    0
    04:45
    Cardiff
    Lloyd George Avenue
    08:35
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £13
  • FlixBus
    3h 50m
    0
    06:45
    Cardiff
    Lloyd George Avenue
    10:35
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £13
  • National Express
    5h 40m
    0
    03:20
    Cardiff
    University
    09:00
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £19
  • National Express
    3h 5m
    0
    03:40
    Cardiff
    Coach Station
    06:45
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £20

Cheapest bus trips tomorrow

Prices are for one way and one person
  • FlixBus
    3h 40m
    0
    00:45
    Cardiff
    Lloyd George Avenue
    04:25
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £13
  • FlixBus
    3h 40m
    0
    02:45
    Cardiff
    Lloyd George Avenue
    06:25
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £13
  • FlixBus
    3h 50m
    0
    04:45
    Cardiff
    Lloyd George Avenue
    08:35
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £13
  • National Express
    6h 17m
    0
    15:53
    Cardiff
    University
    22:10
    London Heathrow Airport
    London Heathrow Airport - T2/3
    0
    National Express
    Economy
    £19
  • National Express
    3h 15m
    0
    01:40
    Cardiff
    Coach Station
    04:55
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £20

Cheapest bus trips Wednesday

Prices are for one way and one person
  • FlixBus
    4h 30m
    0
    23:35
    Cardiff
    Kingsway Coach Stop
    04:05
    London Heathrow Airport
    London Heathrow Airport - T2/3
    0
    FlixBus
    Economy
    £12
  • FlixBus
    3h 50m
    0
    04:45
    Cardiff
    Kingsway Coach Stop
    08:35
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £15
  • FlixBus
    3h 50m
    0
    08:45
    Cardiff
    Kingsway Coach Stop
    12:35
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £15
  • National Express
    5h 35m
    0
    19:15
    Cardiff
    Coach Station
    00:50
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £17
  • National Express
    5h 50m
    0
    03:20
    Cardiff
    University
    09:10
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £17

Cheapest bus trips Thursday

Prices are for one way and one person
  • FlixBus
    4h 30m
    0
    23:35
    Cardiff
    Lloyd George Avenue
    04:05
    London Heathrow Airport
    London Heathrow Airport - T2/3
    0
    FlixBus
    Economy
    £11
  • FlixBus
    4h 5m
    0
    16:45
    Cardiff
    Kingsway Coach Stop
    20:50
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £11
  • FlixBus
    3h 45m
    0
    16:45
    Cardiff
    Kingsway Coach Stop
    20:30
    London Heathrow Airport
    London Heathrow Airport - T2/3
    0
    FlixBus
    Economy
    £11
  • National Express
    3h 25m
    0
    05:25
    Cardiff
    Coach Station
    08:50
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £16
  • National Express
    3h 15m
    0
    09:25
    Cardiff
    Coach Station
    12:40
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £16

Cheapest bus trips Friday

Prices are for one way and one person
  • FlixBus
    4h 5m
    0
    16:45
    Cardiff
    Kingsway Coach Stop
    20:50
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £11
  • FlixBus
    3h 45m
    0
    16:45
    Cardiff
    Kingsway Coach Stop
    20:30
    London Heathrow Airport
    London Heathrow Airport - T2/3
    0
    FlixBus
    Economy
    £11
  • FlixBus
    3h 40m
    0
    00:45
    Cardiff
    Kingsway Coach Stop
    04:25
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £14
  • National Express
    3h 15m
    0
    01:40
    Cardiff
    Coach Station
    04:55
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £16
  • National Express
    3h 15m
    0
    03:25
    Cardiff
    Coach Station
    06:40
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £16

Cheapest bus trips Saturday

Prices are for one way and one person
  • FlixBus
    4h 30m
    0
    23:35
    Cardiff
    Lloyd George Avenue
    04:05
    London Heathrow Airport
    London Heathrow Airport - T2/3
    0
    FlixBus
    Economy
    £11
  • FlixBus
    4h 30m
    0
    23:35
    Cardiff
    Kingsway Coach Stop
    04:05
    London Heathrow Airport
    London Heathrow Airport - T2/3
    0
    FlixBus
    Economy
    £12
  • FlixBus
    3h 40m
    0
    00:45
    Cardiff
    Lloyd George Avenue
    04:25
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £13
  • National Express
    3h 5m
    0
    01:50
    Cardiff
    Coach Station
    04:55
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £16
  • National Express
    3h 40m
    0
    02:50
    Cardiff
    Coach Station
    06:30
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £16

Cheapest bus trips Sunday

Prices are for one way and one person
  • FlixBus
    3h 50m
    0
    04:45
    Cardiff
    Kingsway Coach Stop
    08:35
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £15
  • FlixBus
    3h 50m
    0
    06:45
    Cardiff
    Kingsway Coach Stop
    10:35
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    FlixBus
    Economy
    £15
  • FlixBus
    3h 30m
    0
    04:45
    Cardiff
    Kingsway Coach Stop
    08:15
    London Heathrow Airport
    London Heathrow Airport - T2/3
    0
    FlixBus
    Economy
    £15
  • National Express
    5h 40m
    0
    03:20
    Cardiff
    University
    09:00
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £17
  • National Express
    5h 32m
    0
    11:38
    Cardiff
    University
    17:10
    London Heathrow Airport
    London Heathrow Airport - T5
    0
    National Express
    Economy
    £17

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.
Saturday is the busiest day, with more than 109 daily coaches from Cardiff to London Heathrow Airport. Wednesday has instead the fewest connections, with only 80 daily coaches between Cardiff and London Heathrow Airport.
The busiest time of the day is the Morning, with 237 coaches from Cardiff to London Heathrow Airport, while Evening sees the fewest connections between Cardiff and London Heathrow Airport, with only 81 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 95 times by bus from Cardiff to London Heathrow Airport in one click. Book your Cardiff to London Heathrow Airport bus ticket starting from £11!

Cheapest Bus £11
Fastest Bus 2h 40m
Earliest Coach 00:45
Latest Coach 23:40
Daily Bus Connections 95 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, 95 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 21/04/2025 and for the following days. Make sure get the cheapest bus ticket!

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday 21/04
£19
Tuesday 22/04
£14
Wednesday 23/04
£12
Thursday 24/04
£19
Friday 25/04
£11
Saturday 26/04
£21
Sunday 27/04
£17
Monday 28/04
£10
Tuesday 29/04
£20
Wednesday 30/04
£11
Thursday 01/05
£11
Friday 02/05
£13
Saturday 03/05
£13
Sunday 04/05
£17
Monday 05/05
£13
Tuesday 06/05
£11
Wednesday 07/05
£11
Thursday 08/05
£15
Friday 09/05
£11
Saturday 10/05
£15
Sunday 11/05
£11
Monday 12/05
£13
Tuesday 13/05
£13
Wednesday 14/05
£11
Thursday 15/05
£11
Friday 16/05
£15
Saturday 17/05
Sunday 18/05

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 £11, Thursday is the cheapest day for a coach from Cardiff to London Heathrow Airport. Sunday instead is the most expensive day with prices starting from £15.
Evening is the cheapest day time for bus tickets from Cardiff to London Heathrow Airport, with £11. Morning is the most expensive time of the day with prices starting from £13.

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 29 Ø
Found on 19/04/2025

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 £16
Fastest Coach 2h 40m
Earliest Coach 01:50
Last Coach 23:40
Daily Connections 66 Ø
Found on 19/04/2025
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 £11 and takes 4h 30m. 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 £11 to £47. 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 95 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 £32. 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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