The average train between Watford Junction and Cardiff takes 2h 57m and the fastest train takes 2h 35m. There is an hourly train service from Watford Junction to Cardiff. 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 Junction and Cardiff. The earliest departure is at 5:57 AM in the morning, and the last departure from Watford Junction is at 9:51 PM which arrives into Cardiff at 12:56 AM. All services require a transfer at Harrow & Wealdstone and take an average of 2h 57m. The schedules shown below are for the next available departures.
Want to know about travelling from Watford Junction to Cardiff? 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 Junction to Cardiff. However, there are services departing from Watford Junction station and arriving at Cardiff station via Cardiff Central. The journey, including transfers, takes approximately 2h 57m.
Watford Junction to Cardiff train services, operated by West Midlands Trains, depart from London Paddington station.
Watford Junction to Cardiff train services, operated by West Midlands Trains, arrive at Cardiff Central station.
Book your Watford Junction to Cardiff train tickets online with West Midlands Trains, London Underground (Tube) and 3 other operators.
The distance between Watford Junction and Cardiff is 193.5 km. The road distance is 258 km.
Great Western Railway (GWR) operates a train from London Paddington to Cardiff Central hourly. Tickets cost £65–130 and the journey takes 2h.
