The average bus between Windsor Castle and Caerphilly takes 5h 35m and the fastest bus takes 4h 5m. The bus service runs several times per day 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.
Buses run every 3 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 7:40 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.


5h 32m • 2 changes


5h 1m • 2 changes


5h 26m • 2 changes


4h 59m • 2 changes


5h 3m • 2 changes


4h 30m • 2 changes


4h 23m • 2 changes


4h 25m • 2 changes


4h 13m • 2 changes


4h 5m • 2 changes


4h 7m • 2 changes


4h 37m • 2 changes


5h 32m • 2 changes


5h 1m • 2 changes


4h 22m • 2 changes


4h 27m • 2 changes


5h 32m • 2 changes


5h 1m • 2 changes


4h 22m • 2 changes


4h 27m • 2 changes


5h 32m • 2 changes


5h 1m • 2 changes


4h 22m • 2 changes


4h 27m • 2 changes
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.
No, there is no direct bus from Windsor Castle to Caerphilly. However, there are services departing from Windsor Castle station and arriving at Caerphilly station via Kingsway K14. The journey, including transfers, takes approximately 5h 35m.
Windsor Castle to Caerphilly bus services, operated by Thames Valley Buses, depart from Heathrow Terminal 5 station.
Windsor Castle to Caerphilly bus services, operated by Thames Valley Buses, arrive at Kingsway K14 station.
The distance between Windsor Castle and Caerphilly is 181 km. The road distance is 244 km.
National Express operates a bus from Heathrow Terminal 5 to Kingsway K14 hourly. Tickets cost £23–60 and the journey takes 2h 40m.