The average train between Watford and Cardiff takes 3h and the fastest train takes 2h 41m. There is an hourly train service from Watford 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 and Cardiff. The earliest departure is at 5:48 AM in the morning, and the last departure from Watford is at 9:48 PM which arrives into Cardiff at 12:56 AM. All services require a transfer at Queens Park (London) and take an average of 3h. The schedules shown below are for the next available departures.
Want to know about travelling from Watford 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 to Cardiff. However, there are services departing from Watford station and arriving at Cardiff station via Queens Park (London). The journey, including transfers, takes approximately 3h.
Watford to Cardiff train services, operated by London Overground, depart from Watford High Street station.
Watford to Cardiff train services, operated by London Overground, arrive at Cardiff Central station.
Book your Watford to Cardiff train tickets online with London Overground, London Underground (Tube) and Great Western Railway (GWR).
The distance between Watford and Cardiff is 193.4 km. The road distance is 257 km.
You can take a train from Watford High Street to Cardiff Central via Queens Park (London), Queen's Park station, Paddington station, and London Paddington in around 3h 8m.
