Heathrow to Cardiff Airport Buses

Heathrow to Cardiff Airport buses

Travel from

Search accommodation with Expedia

Trip Overview

The average bus between Heathrow and Cardiff Airport takes 6h 9m and the fastest bus takes 4h 43m. The bus service runs several times per day from Heathrow to Cardiff Airport. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

6h 9m
Duration: 156 mi
Distance: £30
Average price: Every 2 hours
Frequency

Bus, line 304 bus

best

Take the bus from Heathrow Central Bus Station to Sophia Gardensbus 201 / ...
Take the bus from Cardiff Bus Interchange Bay 1 to Cardiff Airportbus 304

4h 39m

£25–42

Heathrow to Cardiff Airport bus times

Buses run every 2 hours between Heathrow and Cardiff Airport. The earliest departure is at 12:30 AM at night, and the last departure from Heathrow is at 7:50 PM which arrives into Cardiff Airport at 6:11 AM. All services require a transfer at Sophia Gardens and take an average of 6h 9m. The schedules shown below are for the next available departures.

Departing Thursday, October 22, 2026

3:40 PM → 8:23 PM
4h 43m • 2 changes
4:30 PM → 10:16 PM
5h 46m • 2 changes
5:50 PM → 11:16 PM
5h 26m • 2 changes
6:40 PM → 12:16 AM
Arrives next day
5h 36m • 2 changes
Show more

Departing Friday, October 23, 2026

12:30 AM → 8:00 AM
7h 30m • 2 changes
7:30 AM → 1:09 PM
5h 39m • 2 changes
8:30 AM → 2:19 PM
5h 49m • 2 changes
9:40 AM → 3:19 PM
5h 39m • 2 changes
Show more

Departing Saturday, October 24, 2026

12:30 AM → 9:07 AM
8h 37m • 2 changes
7:30 AM → 12:29 PM
4h 59m • 2 changes
8:30 AM → 2:19 PM
5h 49m • 2 changes
9:40 AM → 3:19 PM
5h 39m • 2 changes
Show more

Departing Sunday, October 25, 2026

12:30 AM → 12:25 PM
12h 55m • 2 changes
8:30 AM → 2:25 PM
5h 55m • 2 changes
10:30 AM → 4:28 PM
5h 58m • 2 changes
12:30 PM → 6:25 PM
5h 55m • 2 changes
Show more

Departing Monday, October 26, 2026

12:30 AM → 8:00 AM
7h 30m • 2 changes
7:30 AM → 1:09 PM
5h 39m • 2 changes
8:30 AM → 2:19 PM
5h 49m • 2 changes
9:40 AM → 3:19 PM
5h 39m • 2 changes
Show more

Departing Tuesday, October 27, 2026

12:30 AM → 8:00 AM
7h 30m • 2 changes
7:30 AM → 1:09 PM
5h 39m • 2 changes
8:30 AM → 2:19 PM
5h 49m • 2 changes
9:40 AM → 3:19 PM
5h 39m • 2 changes
Show more

Departing Wednesday, October 28, 2026

12:30 AM → 8:00 AM
7h 30m • 2 changes
7:30 AM → 1:09 PM
5h 39m • 2 changes
8:30 AM → 2:19 PM
5h 49m • 2 changes
9:40 AM → 3:19 PM
5h 39m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Heathrow to Cardiff Airport? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.