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Windsor Castle to Caerphilly buses

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Trip Overview

The average bus between Windsor Castle and Caerphilly takes 5h 35m and the fastest bus takes 4h 22m. There is a bus service every few hours from Windsor Castle 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 35m
Duration
151 mi
Distance
£31
Average price
Every 2 hours
Frequency

Bus via Kingsway K14

best
  1. Take the bus from Heathrow Terminal 5 to Kingsway K14bus bus 201 / ...
5h 9m
£26–45

Windsor Castle to Caerphilly bus times

Buses run every 2 hours between Windsor Castle and Caerphilly. The earliest departure is at 5:46 AM in the morning, and the last departure from Windsor Castle is at 10:45 PM which arrives into Caerphilly at 10:27 AM. All services require a transfer at Parish Church and take an average of 5h 35m. The schedules shown below are for the next available departures.

Departing Wednesday, October 14, 2026

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 1m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales4h 22m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales4h 27m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 49m • 2 changes
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Departing Thursday, October 15, 2026

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 32m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 1m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales4h 22m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales4h 27m • 2 changes
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Departing Friday, October 16, 2026

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 3m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 5m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 5m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 26m • 2 changes
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Departing Saturday, October 17, 2026

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 3m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 4m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 4m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h • 2 changes
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Departing Sunday, October 18, 2026

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 13m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 9m • 2 changes

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    Thames Valley BusesNational ExpressStagecoach South Wales5h 37m • 2 changes

Frequently asked questions

Want to know about travelling from Windsor Castle 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 Windsor Castle to Caerphilly.ExpandLaunch map view
  • Distance: 151.3 mi
  • Duration: 5h 35m

What companies run services between Windsor Castle, Windsor and Maidenhead, England and Caerphilly, Wales?

National Express operates a bus from Heathrow Terminal 5 to Kingsway K14 hourly. Tickets cost £19–35 and the journey takes 2h 45m.

Operators