Heathrow to Cardiff Bus Interchange Buses

Trip Overview

The average bus between Heathrow and Cardiff Bus Interchange takes 4h and the fastest bus takes 3h 18m. The bus service runs several times per day from Heathrow to Cardiff Bus Interchange. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

4h
Duration: 139 mi
Distance: £29
Average price: Every 3 hours
Frequency

Bus

best

Take the bus from Heathrow Central Bus Station to Sophia Gardensbus 201 / ...

3h 20m

£23–39

Heathrow to Cardiff Bus Interchange bus times

Buses run every 3 hours between Heathrow and Cardiff Bus Interchange. The earliest departure is at 12:30 AM at night, and the last departure from Heathrow is at 6:40 PM which arrives into Cardiff Bus Interchange at 10:10 PM. All services require a transfer, and take on average 4h. The schedules shown below are for the next available departures.

Departing Saturday, October 17, 2026

7:30 AM → 10:59 AM
3h 29m • 1 change
8:30 AM → 12:20 PM
3h 50m • 1 change
9:40 AM → 12:59 PM
3h 19m • 1 change
10:30 AM → 2:20 PM
3h 50m • 1 change
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Departing Sunday, October 18, 2026

12:30 AM → 9:41 AM
9h 11m • 1 change
7:30 AM → 11:41 AM
4h 11m • 1 change
9:40 AM → 1:41 PM
4h 1m • 1 change
11:40 AM → 3:41 PM
4h 1m • 1 change
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Departing Monday, October 19, 2026

12:30 AM → 6:50 AM
6h 20m • 1 change
7:30 AM → 11:20 AM
3h 50m • 1 change
8:30 AM → 12:20 PM
3h 50m • 1 change
9:40 AM → 12:59 PM
3h 19m • 1 change
Show more

Departing Tuesday, October 20, 2026

12:30 AM → 6:50 AM
6h 20m • 1 change
7:30 AM → 11:20 AM
3h 50m • 1 change
8:30 AM → 12:20 PM
3h 50m • 1 change
9:40 AM → 12:59 PM
3h 19m • 1 change
Show more

Departing Wednesday, October 21, 2026

12:30 AM → 6:50 AM
6h 20m • 1 change
7:30 AM → 11:20 AM
3h 50m • 1 change
8:30 AM → 12:20 PM
3h 50m • 1 change
9:40 AM → 12:59 PM
3h 19m • 1 change
Show more

Departing Thursday, October 22, 2026

12:30 AM → 6:50 AM
6h 20m • 1 change

Frequently asked questions

Want to know about travelling from Heathrow to Cardiff Bus Interchange? 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.

Heathrow to Cardiff Bus Interchange buses

Trip Overview

Bus