The average bus between London and Caerphilly Castle takes 5h 27m and the fastest bus takes 4h 14m. The bus service runs several times per day from London to Caerphilly Castle. 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 4 hours between London and Caerphilly Castle. The earliest departure is at 7:30 AM in the morning, and the last departure from London is at 11:30 PM which arrives into Caerphilly Castle at 7:40 AM. All services require a transfer at Queensway Q5 and take an average of 5h 27m. The schedules shown below are for the next available departures.

5h 14m • 1 change

4h 19m • 1 change

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4h 41m • 1 change

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5h 14m • 1 change

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4h 41m • 1 change

5h 14m • 1 change

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4h 41m • 1 change

4h 57m • 1 change

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6h 27m • 1 change
Arrives next day

8h 10m • 1 change

5h 14m • 1 change

4h 19m • 1 change

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4h 41m • 1 change

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4h 41m • 1 change
Want to know about travelling from London to Caerphilly Castle? 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 London to Caerphilly Castle. However, there are services departing from London station and arriving at Caerphilly Castle station via Newport Train Station station. The journey, including transfers, takes approximately 5h 27m.
London to Caerphilly Castle bus services, operated by FlixBus, depart from London Victoria station.
London to Caerphilly Castle bus services, operated by FlixBus, arrive at Newport Train Station.
The distance between London and Caerphilly Castle is 214 km. The road distance is 240 km.
FlixBus operates a bus from London Victoria to Newport Train Station every 3 hours. Tickets cost £13–22 and the journey takes 2h 45m.