Watford to Caerphilly Buses

Watford to Caerphilly buses

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Trip Overview

The average bus between Watford and Caerphilly takes 5h 32m and the fastest bus takes 4h 15m. There is a bus service every few hours from Watford to Caerphilly. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

5h 32m
Duration: 159 mi
Distance: £32
Average price: Hourly
Frequency

Bus via Kingsway K14

best

Take the bus from Heathrow Central Bus Station to Kingsway K14bus 201 / ...
Take the bus from Market Square 22 to Caerphilly Library / The Twynbus 50A / ...

5h 3m

£25–45

Watford to Caerphilly bus times

Buses run hourly between Watford and Caerphilly. The earliest departure is at 6:07 AM in the morning, and the last departure from Watford is at 11:01 PM which arrives into Caerphilly at 7:40 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 5h 32m. The schedules shown below are for the next available departures.

Departing Sunday, November 1, 2026

2:07 PM → 6:57 PM
4h 50m • 2 changes
11:01 PM → 7:40 AM
Arrives next day
8h 39m • 2 changes

Departing Monday, November 2, 2026

6:09 AM → 11:18 AM
5h 9m • 2 changes
6:55 AM → 12:18 PM
5h 23m • 2 changes
8:05 AM → 1:18 PM
5h 13m • 2 changes
8:57 AM → 2:18 PM
5h 21m • 2 changes
Show more

Departing Tuesday, November 3, 2026

6:09 AM → 11:18 AM
5h 9m • 2 changes
6:55 AM → 12:18 PM
5h 23m • 2 changes
8:05 AM → 1:18 PM
5h 13m • 2 changes
8:57 AM → 2:18 PM
5h 21m • 2 changes
Show more

Departing Wednesday, November 4, 2026

6:09 AM → 11:18 AM
5h 9m • 2 changes
6:55 AM → 12:18 PM
5h 23m • 2 changes
8:05 AM → 1:18 PM
5h 13m • 2 changes
8:57 AM → 2:18 PM
5h 21m • 2 changes
Show more

Departing Thursday, November 5, 2026

6:09 AM → 11:18 AM
5h 9m • 2 changes
6:55 AM → 12:18 PM
5h 23m • 2 changes
8:05 AM → 1:18 PM
5h 13m • 2 changes
8:57 AM → 2:18 PM
5h 21m • 2 changes
Show more

Departing Friday, November 6, 2026

6:09 AM → 11:18 AM
5h 9m • 2 changes
6:55 AM → 12:18 PM
5h 23m • 2 changes
8:05 AM → 1:18 PM
5h 13m • 2 changes
8:57 AM → 2:44 PM
5h 47m • 2 changes
Show more

Departing Saturday, November 7, 2026

6:07 AM → 11:18 AM
5h 11m • 2 changes
7:26 AM → 12:18 PM
4h 52m • 2 changes
8:26 AM → 1:18 PM
4h 52m • 2 changes
9:08 AM → 2:18 PM
5h 10m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Watford to Caerphilly? 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.