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 12m. 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: £29
Average price: Hourly
Frequency

Bus

best

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

3h 28m

£25–41

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 11:45 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 Wednesday, October 28, 2026

4:25 PM → 8:54 PM
4h 29m • 1 change
11:45 PM → 3:25 AM
Arrives next day
3h 40m • 1 change

Departing Thursday, October 29, 2026

1:40 AM → 4:53 AM
3h 13m • 1 change
2:45 AM → 6:28 AM
3h 43m • 1 change
3:30 AM → 7:03 AM
3h 33m • 1 change
4:40 AM → 8:38 AM
3h 58m • 1 change
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Departing Friday, October 30, 2026

1:40 AM → 4:53 AM
3h 13m • 1 change
2:45 AM → 6:28 AM
3h 43m • 1 change
3:30 AM → 7:03 AM
3h 33m • 1 change
4:40 AM → 8:38 AM
3h 58m • 1 change
Show more

Departing Saturday, October 31, 2026

1:40 AM → 4:54 AM
3h 14m • 1 change
2:45 AM → 6:26 AM
3h 41m • 1 change
3:30 AM → 6:56 AM
3h 26m • 1 change
5:35 AM → 8:48 AM
3h 13m • 1 change
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Departing Sunday, November 1, 2026

1:40 AM → 4:54 AM
3h 14m • 1 change
2:45 AM → 6:25 AM
3h 40m • 1 change
3:30 AM → 6:55 AM
3h 25m • 1 change
4:45 AM → 8:26 AM
3h 41m • 1 change
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Departing Monday, November 2, 2026

1:40 AM → 4:53 AM
3h 13m • 1 change
2:45 AM → 6:28 AM
3h 43m • 1 change
3:30 AM → 7:03 AM
3h 33m • 1 change
4:40 AM → 8:38 AM
3h 58m • 1 change
Show more

Departing Tuesday, November 3, 2026

1:40 AM → 4:53 AM
3h 13m • 1 change
2:45 AM → 6:28 AM
3h 43m • 1 change
3:30 AM → 7:03 AM
3h 33m • 1 change
4:40 AM → 8:38 AM
3h 58m • 1 change
Show more

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.