The average train between Watford and Caerphilly takes 3h 36m and the fastest train takes 2h 58m. There is an hourly train service 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.
Trains run hourly between Watford and Caerphilly. The earliest departure is at 5:58 AM in the morning, and the last departure from Watford is at 11:42 PM which arrives into Caerphilly at 8:30 AM. All services require a transfer at Harrow & Wealdstone and take an average of 3h 36m. The schedules shown below are for the next available departures.
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.
No, there is no direct train from Watford to Caerphilly. However, there are services departing from Watford station and arriving at Caerphilly station via Cardiff Central. The journey, including transfers, takes approximately 3h 36m.
Watford to Caerphilly train services, operated by West Midlands Trains, depart from London Paddington station.
Watford to Caerphilly train services, operated by West Midlands Trains, arrive at Cardiff Central station.
Book your Watford to Caerphilly train tickets online with West Midlands Trains, London Underground (Tube) and 4 other operators.
The distance between Watford and Caerphilly is 195 km. The road distance is 270 km.
Great Western Railway (GWR) operates a train from London Paddington to Cardiff Central hourly. Tickets cost £60–120 and the journey takes 1h 58m.
