The average train between Cardiff and Watford takes 2h 53m and the fastest train takes 2h 47m. There is an hourly train service from Cardiff to Watford. 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 Cardiff and Watford. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Watford at 12:13 AM. All services require a transfer at London Paddington and take an average of 2h 53m. The schedules shown below are for the next available departures.
Want to know about travelling from Cardiff to Watford? 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 Cardiff to Watford. However, there are services departing from Cardiff station and arriving at Watford station via London Paddington. The journey, including transfers, takes approximately 2h 53m.
Cardiff to Watford train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Watford train services, operated by Great Western Railway (GWR), arrive at Watford High Street station.
Book your Cardiff to Watford train tickets online with Great Western Railway (GWR), London Underground (Tube) and London Overground.
The distance between Cardiff and Watford is 193.4 km. The road distance is 257 km.
You can take a train from Cardiff Central to Watford High Street via London Paddington, Paddington station, Queen's Park station, and Queens Park (London) in around 3h.