The average train between London and Caerphilly Castle takes 2h 32m and the fastest train takes 2h 11m. There is an hourly train service 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.
Trains run hourly between London and Caerphilly Castle. The earliest departure is at 5:23 AM in the morning, and the last departure from London is at 10:49 PM which arrives into Caerphilly Castle at 5:55 AM. All services require a transfer at Cardiff Central and take an average of 2h 32m. The schedules shown below are for the next available departures.

2h 12m • 1 change

2h 12m • 1 change

2h 43m • 1 change

2h 53m • 1 change

3h 7m • 1 change

2h 23m • 1 change

2h 18m • 1 change

2h 12m • 1 change

3h 7m • 1 change

2h 23m • 1 change

2h 18m • 1 change

2h 12m • 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 train from London to Caerphilly Castle. However, there are services departing from London station and arriving at Caerphilly Castle station via Cardiff Central. The journey, including transfers, takes approximately 2h 32m.
London to Caerphilly Castle train services, operated by Great Western Railway (GWR), depart from London Paddington station.
London to Caerphilly Castle train services, operated by Great Western Railway (GWR), arrive at Cardiff Central station.
Book your London to Caerphilly Castle train tickets online with Great Western Railway (GWR) and Transport for Wales.
The distance between London and Caerphilly Castle is 214 km. The road distance is 246 km.
Great Western Railway (GWR) operates a train from London Paddington to Cardiff Central hourly. Tickets cost £65–130 and the journey takes 1h 58m.