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Watford to Caerphilly buses

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Trip Overview

The average bus between Watford and Caerphilly takes 5h 33m 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 33m
Duration
159 mi
Distance
£31
Average price
Every 2 hours
Frequency

Bus via Kingsway K14

best
  1. Take the bus from Heathrow Central Bus Station to Kingsway K14bus bus 201 / ...
  2. Take the bus from Market Square 22 to Caerphilly Library / The Twynbus bus 50A / ...
4h 40m
£24–45

Watford to Caerphilly bus times

Buses run every 2 hours between Watford and Caerphilly. 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 Caerphilly at 7:40 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 5h 33m. The schedules shown below are for the next available departures.

Departing Wednesday, October 14, 2026

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    Arrives next day

    Arriva UKNational ExpressStagecoach South Wales8h 47m • 2 changes

Departing Thursday, October 15, 2026

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales5h 21m • 2 changes

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales4h 54m • 2 changes

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales4h 43m • 2 changes

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales4h 46m • 2 changes
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Departing Friday, October 16, 2026

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    Arriva UKNational ExpressStagecoach South Wales5h 9m • 2 changes

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    Arriva UKNational ExpressStagecoach South Wales5h 23m • 2 changes

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    Arriva UKNational ExpressStagecoach South Wales5h 13m • 2 changes

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    Arriva UKNational ExpressStagecoach South Wales5h 47m • 2 changes
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Departing Saturday, October 17, 2026

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales5h 11m • 2 changes

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    Arriva UKNational ExpressStagecoach South Wales4h 52m • 2 changes

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    Arriva UKNational ExpressStagecoach South Wales4h 52m • 2 changes

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales5h 10m • 2 changes
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Departing Sunday, October 18, 2026

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales5h 22m • 2 changes

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales5h 19m • 2 changes

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales5h 20m • 2 changes

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    First Berkshire & The Thames ValleyNational ExpressStagecoach South Wales4h 50m • 2 changes
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Departing Monday, October 19, 2026

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    Arriva UKNational ExpressStagecoach South Wales5h 9m • 2 changes

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    Arriva UKNational ExpressStagecoach South Wales5h 23m • 2 changes

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    Arriva UKNational ExpressStagecoach South Wales5h 13m • 2 changes

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    Arriva UKNational ExpressStagecoach South Wales5h 21m • 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.

Map of how to get from Watford to Caerphilly.ExpandLaunch map view
  • Distance: 159.2 mi
  • Duration: 5h 33m

What companies run services between Watford, England and Caerphilly, Wales?

You can take a bus from Town Hall to Caerphilly Library / The Twyn via Heathrow Terminal 2, Heathrow Central Bus Station, Kingsway K14, and Market Square 22 in around 4h 40m.

Operators