How much is the bus ticket from Heathrow to Cardiff?

The cheapest bus tickets from Heathrow to Cardiff start from $11. The average price for this route is around $28. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

How long is the bus ride from Heathrow to Cardiff?

The average bus trip duration from Heathrow to Cardiff is 3h 35m, covering a distance of 118 miles (191 km). The quickest bus can get you there in 2h 30m and is operated by National Express .

Which bus companies service the Heathrow to Cardiff route?

Several major bus companies operate on this route with 69 buses available per day, including services from National Express , FlixBus .

What is the earliest and latest departure time for the bus from Heathrow to Cardiff?

The earliest bus departs from Heathrow to Cardiff at 12:10am. And the latest bus departs at 11:45pm.

What are the CO₂ emissions for the bus trip from Heathrow to Cardiff?

A bus trip from Heathrow to Cardiff generates an estimated 5 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.

What is the best bus company from Heathrow to Cardiff?

According to Busbud customers, the highest-rated bus company on this route is National Express , with an average rating of 4.2 out of 5 stars based on 29733 reviews.

Which bus company has the best Wi-Fi from Heathrow to Cardiff?

Based on reviews on Busbud, the bus company National Express has the best Wi-Fi rating with a score of 3.4.

Which bus company has the most timely service from Heathrow to Cardiff?

According to Busbud traveller reviews, the most timely bus company on this route is National Express , with a punctuality rating of 4.0 out of 5 stars.

Which bus company has the cleanest buses from Heathrow to Cardiff?

According to Busbud traveller reviews, the bus company with the cleanest buses on this route is National Express , with a cleanliness rating of 4.7 out of 5 stars.

Bus Heathrow to Cardiff from $12 | Refundable Tickets

Next bus departures

Next departures for Heathrow to Cardiff on November 28
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	10:50pm	Heathrow T2 & T3	2h 50m	1:40am	Sophia Gardens	Cheapest
Bus	7:50pm	Heathrow T2 & T3	2h 30m	10:20pm	Cardiff Gate (Event services only, Coach Park)	Fastest
Bus	7:50pm	Heathrow T2 & T3	2h 50m	10:40pm	Sophia Gardens	No tags
Bus	6:45pm	Heathrow Airport, Central Bus Station	3h 30m	10:15pm	Cardiff North Road (Friary Gardens)	No tags
Bus	7:50pm	Heathrow T2 & T3	2h 50m	10:40pm	Sophia Gardens	No tags

Next departures for Heathrow to Cardiff on November 29
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	11:45pm	Heathrow Airport (LHR) T5	4h 15m	4:00am	Sophia Gardens	Cheapest
Bus	7:50pm	Heathrow T2 & T3	2h 30m	10:20pm	Cardiff Gate (Event services only, Coach Park)	Fastest
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags
Bus	12:45am	Heathrow Airport, Central Bus Station	3h 20m	4:05am	Cardiff North Road (Friary Gardens)	No tags
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags

Next departures for Heathrow to Cardiff on November 30
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	Cheapest
Bus	7:50pm	Heathrow T2 & T3	2h 30m	10:20pm	Cardiff Gate (Event services only, Coach Park)	Fastest
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags
Bus	12:45am	Heathrow Airport, Central Bus Station	3h 20m	4:05am	Cardiff North Road (Friary Gardens)	No tags
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags

Next departures for Heathrow to Cardiff on December 1
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	10:50pm	Heathrow T2 & T3	2h 50m	1:40am	Sophia Gardens	Cheapest
Bus	7:50pm	Heathrow T2 & T3	2h 30m	10:20pm	Cardiff Gate (Event services only, Coach Park)	Fastest
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags
Bus	12:45am	Heathrow Airport, Central Bus Station	3h 20m	4:05am	Cardiff North Road (Friary Gardens)	No tags
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags

Next departures for Heathrow to Cardiff on December 2
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	Cheapest
Bus	7:50pm	Heathrow T2 & T3	2h 30m	10:20pm	Cardiff Gate (Event services only, Coach Park)	Fastest
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags
Bus	12:45am	Heathrow Airport, Central Bus Station	3h 20m	4:05am	Cardiff North Road (Friary Gardens)	No tags
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags

Next departures for Heathrow to Cardiff on December 3
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	Cheapest
Bus	7:50pm	Heathrow T2 & T3	2h 30m	10:20pm	Cardiff Gate (Event services only, Coach Park)	Fastest
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags
Bus	12:45am	Heathrow Airport, Central Bus Station	3h 20m	4:05am	Cardiff North Road (Friary Gardens)	No tags
Bus	12:30am	Heathrow T2 & T3	3h 30m	4:00am	Sophia Gardens	No tags

Last refresh of the prices: Yesterday at 7:59 PM GMT.

Compare 3 ways to go from Heathrow to Cardiff

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach Cardiff. The journey takes about 2 hours 20 minutes and with fares starting at just $16, it presents an excellent value for a comfortable ride.

1carpool per day

2h 20mAverage Duration

117 milesDistance

8kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$11 - $137	Average Duration3h 35m	CO₂ emissions 5kg CO₂e
Train	Average Price$44 - $44	Average Duration3h 41m	CO₂ emissions 4kg CO₂e
Carpool	Average Price$16 - $31	Average Duration2h 20m	CO₂ emissions 8kg CO₂e

Where are the popular stops in Heathrow and Cardiff?

Stops in Heathrow

A
London Heathrow Airport
Visit page
B
Travelodge Hotel, Heathrow Central
708 Bath Road, Hounslow TW5 9TW
C
Premier Inn, Heathrow M4 J4
Shepiston Lane (Valid any Departure), Hayes UB3
D
Comfort Hotel
Arlington Court, Mercure London Heathrow Hotel: Valid any Departure , Hayes UB3
E
EasyHotel
2 Bletchmore Close, Hayes UB3
F
Novotel Hotel
Holloway Lane, Valid any Departure, West Drayton UB7

Stops in Cardiff

A
Sophia Gardens
2 Sophia Cl, Cardiff CF11, UK
Visit page
B
Cardiff University (o/s Cathays Rail Stn)
50 Park Place (Bus Stop, o/s Cathays Rail Stn), Cardiff CF10
C
Cardiff Coach Station - Sophia Gardens
22 Cathedral Rd, Cardiff CF11 9LJ, UK
Visit page
D
Cardiff - Castle Street Bus Stop
21A Castle St, Cardiff CF10 1BT, UK
E
National Museum
Gorsedd Gardens Rd, Cardiff CF10 3NP, UK
F
Cardiff Bus Stop - Westgate
206 Westgate St, Cardiff CF10, UK

Compare bus companies

National Express

4/529,738 reviews

Staff4.7

Timeliness4

Cleanliness4.7

Wifi3.4

Passengers have shared positive feedback about the service, highlighting clean and comfortable buses with friendly and professional drivers. The journeys were generally timely and well-organized, making for a pleasant travel experience. However, there were occasional issues such as late departures from Heathrow or discomfort due to seating arrangements near unclean areas on the bus.

National Express Heathrow Cardiff recent customer reviews

It was comfortable, warm and on time. A great trip and well worth the money. A very good driver as well

Paul E.

October 24, 2025

A bit of chaos after the driver reversed into another bus at Heathrow but in all fairness to him organized another bus and got us on our way, thanks.

Paul P.

July 30, 2025

The bus left Heathrow about 30 minutes late, but once we were moving it was a smooth, comfortable ride straight to Cardiff

John F.

September 28, 2024

FlixBus

3.5/511,470 reviews

Staff4.2

Timeliness3.9

Cleanliness4.1

Wifi2.7

Users have shared positive experiences, highlighting the ample space available on the bus and praising the friendly and helpful driver. Additionally, they appreciated the service's reliability and punctuality, making their travel experience both safe and enjoyable.

Flixbus Heathrow Cardiff recent customer reviews

The seat I had was taken, but it didn't really matter, there was tons of space. The driver was very friendly and helpful.

Luke G.

May 26, 2025

Very safe! Reliable and prompt. Thanks!

William S.

August 7, 2025

GB bus companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, National Express

Frequently asked questions about traveling from Heathrow to Cardiff by bus

Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

How much is the bus ticket from Heathrow to Cardiff?
The cheapest bus tickets from Heathrow to Cardiff start from $11. The average price for this route is around $28. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Heathrow to Cardiff?
The average bus trip duration from Heathrow to Cardiff is 3h 35m, covering a distance of 118 miles (191 km). The quickest bus can get you there in 2h 30m and is operated by National Express.
Which bus companies service the Heathrow to Cardiff route?
Several major bus companies operate on this route with 69 buses available per day, including services from National Express, FlixBus.
What is the earliest and latest departure time for the bus from Heathrow to Cardiff?
The earliest bus departs from Heathrow to Cardiff at 12:10am. And the latest bus departs at 11:45pm.
What are the CO₂ emissions for the bus trip from Heathrow to Cardiff?
A bus trip from Heathrow to Cardiff generates an estimated 5 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
What is the best bus company from Heathrow to Cardiff?
According to Busbud customers, the highest-rated bus company on this route is National Express, with an average rating of 4.2 out of 5 stars based on 29733 reviews.
Which bus company has the best Wi-Fi from Heathrow to Cardiff?
Based on reviews on Busbud, the bus company National Express has the best Wi-Fi rating with a score of 3.4.
Which bus company has the most timely service from Heathrow to Cardiff?
According to Busbud traveller reviews, the most timely bus company on this route is National Express, with a punctuality rating of 4.0 out of 5 stars.
Which bus company has the cleanest buses from Heathrow to Cardiff?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is National Express, with a cleanliness rating of 4.7 out of 5 stars.

Find cheapest prices for buses

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

Best price found

11/26

$19

11/27

$20

Today

$21

11/29

$21

11/30

$18

12/01

$17

12/02

$16

12/03

$17

The cheapest trip from Heathrow to Cardiff was searched and found on Dec 2, 2025 with a price of $16

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

You can expect to pay from $16 to $81 for a bus ticket from Heathrow to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at $16 which is on 2025-12-02.

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.