Cardiff to Slough Buses

Cardiff to Slough buses

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Trip Overview

The average bus between Cardiff and Slough takes 3h 50m and the fastest bus takes 3h 4m. There is a bus service every few hours from Cardiff to Slough. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 50m
Duration: 144 mi
Distance: £26
Average price: Hourly
Frequency

Bus

best

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

3h 16m

£21–36

Cardiff to Slough bus times

Buses run hourly between Cardiff and Slough. The earliest departure is at 1:40 AM at night, and the last departure from Cardiff is at 11:40 PM which arrives into Slough at 3:25 AM. All services require a transfer, and take on average 3h 50m. The schedules shown below are for the next available departures.

Departing Thursday, October 8, 2026

11:40 AM → 3:08 PM
3h 28m • 1 change
12:35 PM → 4:47 PM
4h 12m • 1 change
2:35 PM → 6:11 PM
3h 36m • 1 change
2:55 PM → 7:44 PM
4h 49m • 1 change
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Departing Friday, October 9, 2026

1:40 AM → 4:53 AM
3h 13m • 1 change
2:35 AM → 6:28 AM
3h 53m • 1 change
3:25 AM → 7:03 AM
3h 38m • 1 change
4:30 AM → 8:38 AM
4h 8m • 1 change
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Departing Saturday, October 10, 2026

1:50 AM → 4:54 AM
3h 4m • 1 change
2:45 AM → 6:26 AM
3h 41m • 1 change
3:40 AM → 6:56 AM
3h 16m • 1 change
4:45 AM → 8:48 AM
4h 3m • 1 change
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Departing Sunday, October 11, 2026

1:50 AM → 4:54 AM
3h 4m • 1 change
2:45 AM → 6:25 AM
3h 40m • 1 change
3:40 AM → 6:55 AM
3h 15m • 1 change
4:45 AM → 8:47 AM
4h 2m • 1 change
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Frequently asked questions

Want to know about travelling from Cardiff to Slough? 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