Bus Cardiff to Slough from £30 | Tickets & Timetables

Trip Overview

The average bus between Cardiff and Slough takes 3h 49m 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 49m
Duration: 144 mi
Distance: £30
Average price: Hourly
Frequency

Bus

best

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

3h 15m

£26–65

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 3:24 AM. All services require a transfer, and take on average 3h 49m. The schedules shown below are for the next available departures.

Departing Tuesday, April 28, 2026

2:55 PM → 7:44 PM
4h 49m • 1 change
4:30 PM → 8:54 PM
4h 24m • 1 change
11:40 PM → 3:25 AM
Arrives next day
3h 45m • 1 change

Departing Wednesday, April 29, 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 Thursday, April 30, 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
Show more

Departing Friday, May 1, 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
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.

Cardiff to Slough buses

Trip Overview

Bus