How long does it take to get to Heathrow from Cardiff by bus?

The bus ride from Cardiff to Heathrow takes 3h 40m, on average. The fastest bus on this trip will get to Heathrow in 2h 25m

What is the distance between Cardiff and Heathrow?

The distance between Cardiff and Heathrow is approximately 190 km (118 miles).

What are the departure and arrival locations for buses traveling from Cardiff to Heathrow?

Buses departing from Sophia Gardens in Cardiff will take you to London Heathrow Airport in Heathrow.

What is the cheapest way to get from Cardiff to Heathrow?

Taking the bus is the cheapest option to travel from Cardiff to Heathrow. With a starting ticket price of US$16, this bus becomes your top pick for this journey.

How much is the bus from Cardiff to Heathrow?

The bus from Cardiff to Heathrow will cost you US$29, on average.

Is it possible to do a day trip from Cardiff to Heathrow?

Yes, you can take a day trip from Cardiff to Heathrow. The round-trip travel time is approximately 4h 50m. Before booking, make sure to check the departure and arrival times to ensure you'll have enough time to explore Heathrow.

Cardiff to Heathrow Bus Tickets

TodayMay 1

from US$21

TomorrowMay 2

SatMay 3

SunMay 4

MonMay 5

TueMay 6

WedMay 7

ThuMay 8

Cheap buses leaving today

One passenger / one way

This trip is recommended because it is the: Cheapest
Departure time: May 1 at 4:45pm
Departure city: Cardiff
Departure location: Cardiff North Road (Friary Gardens)
Arrival time: May 1 at 8:30pm
Destination city: Heathrow
Destination location: Heathrow Airport (LHR) Terminals 2&3
Operated by: Flixbus
Vehicle: BusDuration: 3h 45m
This trip is recommended because it is the: Fastest
Departure time: May 1 at 9:40am
Departure city: Cardiff
Departure location: Cardiff Gate (Event services only, Coach Park)
Arrival time: May 1 at 12:15pm
Destination city: Heathrow
Destination location: Heathrow T2 & T3
Operated by: National Express
Vehicle: BusDuration: 2h 35m
Departure time: May 1 at 5:25am
Departure city: Cardiff
Departure location: Sophia Gardens
Arrival time: May 1 at 8:25am
Destination city: Heathrow
Destination location: Heathrow T2 & T3
Operated by: National Express
Vehicle: BusDuration: 3h
Departure time: May 1 at 6:45am
Departure city: Cardiff
Departure location: Cardiff North Road (Friary Gardens)
Arrival time: May 1 at 10:15am
Destination city: Heathrow
Destination location: Heathrow Airport (LHR) Terminals 2&3
Operated by: Flixbus
Vehicle: BusDuration: 3h 30m
Departure time: May 1 at 5:25am
Departure city: Cardiff
Departure location: Sophia Gardens
Arrival time: May 1 at 8:25am
Destination city: Heathrow
Destination location: Heathrow T2 & T3
Operated by: National Express
Vehicle: BusDuration: 3h

Last refresh of the prices: Yesterday at 1:59 PM BST.

Prices and availability are subject to change.

Accepted payments

Compare 3 ways to go from Cardiff to Heathrow

	Average Price	Average Duration	CO₂ emissions
Bus	Average PriceUS$16 - US$71	Average Duration3h 40m	CO₂ emissions 5kg CO₂e5 out of 5 stars
Train	Average PriceUS$274 - US$274	Average Duration3h 21m	CO₂ emissions 4kg CO₂e5 out of 5 stars	Most eco-friendly
Carpool	Average PriceUS$13 - US$33	Average Duration2h 30m	CO₂ emissions 8kg CO₂e4 out of 5 stars	CheapestFastest

Busbud recommends carpooling from Cardiff to Heathrow

Among the sustainable travel choices, the carpool stands out as a good way to reach Heathrow. The journey takes about 2 hours 30 minutes, and with fares starting at just US$13, it presents an excellent value for a comfortable ride.

1carpool per day

2h 30mAverage Duration

US$13Cheapest ticket

8kgCO₂ emissions

Bus Cardiff to Heathrow: Trip Overview

Average Ticket PriceUS$29

Average Bus Trip Duration3h 40m

Number of daily buses78

Earliest bus departure12:45am

Distance190 km

Latest bus departure11:40pm

Compare bus companies

National Express

4/529,159 reviews

Staff4.7

Timeliness4

Cleanliness4.7

Wifi3.4

Passengers frequently commend the professionalism and efficiency of drivers, as well as the cleanliness and comfort of buses. Many appreciate timely arrivals at destinations like Heathrow Airport. However, some users mention occasional delays or issues with terminal drop-offs not matching their requests. Overall, National Express is praised for its reliable service despite minor inconveniences reported by a few travelers.

National Express Cardiff Heathrow recent customer reviews

Staff were nice. Journey was slow and bus was cold, especially the emergency exit row where we first sat. Arrived 30 mins late, which isn’t great for the airport

Dewi P.

December 28, 2024

Coach came a few minutes late. Changed drivers . Although late arriving at Heathrow. Ran smoothly.

Wayne S.

November 10, 2024

Travelled on probably the hottest day of the week and it was absolutely boiling on the bus. Couldn’t feel any air conditioning coming through. Very uncomfortable journey.

Matt H.

August 17, 2024

FlixBus

3.5/58,448 reviews

Staff4.1

Timeliness4

Cleanliness4.1

Wifi2.6

Megabus UK

3.5/54,162 reviews

Staff4.4

Timeliness3.3

Cleanliness4.3

Wifi2.6

Customers generally express satisfaction with the service, highlighting polite and professional drivers, clean buses, and comfortable rides that arrive on time. However, some users found it complicated to order tickets online and noted unexpected stops during their journey despite advertisements suggesting direct routes.

Megabus Cardiff Heathrow recent customer reviews

Was good. A lot more stops than I had understood. I was concerned about arriving at central but then the terminal was only a lift and short walk away.

Enfys J.

January 24, 2024

My experience was not nice.The driver was not kind and helpful.The toilet was not flushing after use.No charging point.Not well made announcement.

Olushola S.

December 10, 2023

Andy the driver is a amazing person and very professional. Andy dealt with some of the weird passengers with lots of patience.

Pradeep K.

July 21, 2023

GB Bus Companies: FlixBus, BlaBlaCar Bus, National Express, Sindbad, RegioJet, FlixTrain, KLR Bus

Cardiff to Heathrow Bus

Busbud shows you the best bus ticket fares and bus schedules so you can easily plan and book a trip by bus from Cardiff to Heathrow.

We make sure you can find a bus service from Cardiff to Heathrow from the most reliable bus companies operating this trip.

From cheap bus tickets to more luxurious buses travelling from Cardiff to Heathrow, we offer a wide range of bus services to best suit your needs depending on how much your budget is.

Where are the popular stops in Cardiff and Heathrow?

Stops in Cardiff

A - Sophia Gardens

B - Cardiff University (o/s Cathays Rail Stn)

C - Cardiff - Castle Street Bus Stop

D - National Museum

E - Cardiff Coach Station - Sophia Gardens

F - Cardiff Bus Stop - Westgate

Stops in Heathrow

A - London Heathrow Airport

B - Travelodge Hotel, Heathrow Central

C - Premier Inn, Heathrow M4 J4

D - Comfort Hotel

E - EasyHotel

F - Novotel Hotel

Frequently asked questions on the trip Cardiff - Heathrow

How long does it take to get to Heathrow from Cardiff by bus?
The bus ride from Cardiff to Heathrow takes 3h 40m, on average. The fastest bus on this trip will get to Heathrow in 2h 25m
What is the distance between Cardiff and Heathrow?
The distance between Cardiff and Heathrow is approximately 190 km (118 miles).
What are the departure and arrival locations for buses traveling from Cardiff to Heathrow?
Buses departing from Sophia Gardens in Cardiff will take you to London Heathrow Airport in Heathrow.
What is the cheapest way to get from Cardiff to Heathrow?
Taking the bus is the cheapest option to travel from Cardiff to Heathrow. With a starting ticket price of US$16, this bus becomes your top pick for this journey.
How much is the bus from Cardiff to Heathrow?
The bus from Cardiff to Heathrow will cost you US$29, on average.
Is it possible to do a day trip from Cardiff to Heathrow?
Yes, you can take a day trip from Cardiff to Heathrow. The round-trip travel time is approximately 4h 50m. Before booking, make sure to check the departure and arrival times to ensure you'll have enough time to explore Heathrow.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

04-29

US$19

04-30

US$18

Today

US$19

05-02

US$20

05-03

US$22

05-04

No data

05-05

US$17

05-06

US$14

The cheapest trip from Cardiff to Heathrow was searched and found on May 6, 2025 with a price of US$14

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Cardiff to Heathrow, as early as possible.

You can expect to pay from US$14 to US$74 for a bus ticket from Cardiff to Heathrow based on the last 2 days. You can expect to find the cheapest price for the trip at US$14 which is on 2025-05-06.

Usually National Express will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.

About Bus Travel

Bus Travel Tips

If you're abroad, study some local language. Not only could it get you out of a pickle during your bus trip from Cardiff to Heathrow but it'll also be endearing to native speakers who will surely appreciate your effort.

Start sightseeing the minute your bus leaves the station. If you're on the night bus from Cardiff to Heathrow, get comfy and count the stars.

Taking the bus creates the smallest carbon footprint compared to other modes of transport. Not to mention that buses will allow you to discover scenic gems from Cardiff to Heathrow that are otherwise impossible to come by with a plane.

Create your own real life musical score by curating a personalized bus travel playlist - the perfect accompaniment to your bus ride from Cardiff to Heathrow.

Did you know?

The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!

Did you know that 80% of the buses in North America are equipped with WiFi and power outlets ? And 60% of bus travellers have used their electronic device on board during 2014.

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

Will you be returning to Cardiff by bus?

Bus from Cardiff to Heathrow

You can also go to Heathrow by train

Train from Cardiff to Heathrow

Top travelled bus routes

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Bus Tickets from Cardiff to Heathrow