Watford to Cardiff Buses

Watford to Cardiff buses

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Trip Overview

The average bus between Watford and Cardiff takes 4h 40m and the fastest bus takes 3h 29m. There is a bus service every few hours from Watford to Cardiff. 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 40m
Duration: 160 mi
Distance: £27
Average price: Hourly
Frequency

Bus

best

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

3h 59m

£22–38

Watford to Cardiff bus times

Buses run hourly between Watford and Cardiff. The earliest departure is at 5:57 AM in the morning, and the last departure from Watford is at 11:01 PM which arrives into Cardiff at 4:00 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 4h 40m. The schedules shown below are for the next available departures.

Departing Sunday, October 11, 2026

4:10 PM → 8:35 PM
4h 25m • 1 change
5:20 PM → 10:00 PM
4h 40m • 1 change
6:20 PM → 10:40 PM
4h 20m • 1 change
8:25 PM → 12:50 AM
Arrives next day
4h 25m • 1 change
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Departing Monday, October 12, 2026

5:57 AM → 11:00 AM
5h 3m • 1 change
6:55 AM → 12:05 PM
5h 10m • 1 change
7:50 AM → 12:25 PM
4h 35m • 1 change
8:57 AM → 2:05 PM
5h 8m • 1 change
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Departing Tuesday, October 13, 2026

5:57 AM → 11:00 AM
5h 3m • 1 change
6:55 AM → 12:05 PM
5h 10m • 1 change
7:50 AM → 12:25 PM
4h 35m • 1 change
8:57 AM → 2:05 PM
5h 8m • 1 change
Show more

Departing Wednesday, October 14, 2026

5:57 AM → 11:00 AM
5h 3m • 1 change
6:55 AM → 12:05 PM
5h 10m • 1 change
7:50 AM → 12:25 PM
4h 35m • 1 change
8:57 AM → 2:05 PM
5h 8m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Watford to Cardiff? 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