Cardiff to Harefield Buses

Cardiff to Harefield buses

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Trip Overview

The average bus between Cardiff and Harefield takes 4h 30m and the fastest bus takes 3h 51m. There is a bus service every few hours from Cardiff to Harefield. 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 30m
Duration: 149 mi
Distance: £30
Average price: Hourly
Frequency

Bus

best

Take the bus from Sophia Gardens to Heathrow Central Bus Stationbus 201 / ...

3h 52m

£23–42

Cardiff to Harefield bus times

Buses run hourly between Cardiff and Harefield. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 4:40 PM which arrives into Harefield at 9:21 PM. All services require a transfer at Heathrow Central Bus Station and take an average of 4h 30m. The schedules shown below are for the next available departures.

Departing Wednesday, October 14, 2026

9:25 AM → 1:29 PM
4h 4m • 2 changes
10:40 AM → 3:25 PM
4h 45m • 2 changes
11:40 AM → 3:45 PM
4h 5m • 2 changes
12:35 PM → 5:25 PM
4h 50m • 2 changes
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Departing Thursday, October 15, 2026

1:40 AM → 6:16 AM
4h 36m • 2 changes
3:25 AM → 7:22 AM
3h 57m • 2 changes
4:30 AM → 9:14 AM
4h 44m • 2 changes
5:25 AM → 9:53 AM
4h 28m • 2 changes
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Departing Friday, October 16, 2026

1:40 AM → 6:16 AM
4h 36m • 2 changes
3:30 AM → 7:22 AM
3h 52m • 2 changes
4:40 AM → 9:14 AM
4h 34m • 2 changes
5:25 AM → 9:53 AM
4h 28m • 2 changes
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Departing Saturday, October 17, 2026

1:40 AM → 6:16 AM
4h 36m • 2 changes
3:30 AM → 7:45 AM
4h 15m • 2 changes
4:45 AM → 9:06 AM
4h 21m • 2 changes
5:35 AM → 9:26 AM
3h 51m • 2 changes
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Departing Sunday, October 18, 2026

3:30 AM → 7:46 AM
4h 16m • 2 changes
4:45 AM → 9:17 AM
4h 32m • 2 changes

Frequently asked questions

Want to know about travelling from Cardiff to Harefield? 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.

Trip Overview

Bus