The average train between Cardiff and Watford Junction takes 2h 55m and the fastest train takes 2h 48m. There is an hourly train service from Cardiff to Watford Junction. 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 Junction. 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 Junction at 12:17 AM. All services require a transfer at London Paddington and take an average of 2h 55m. The schedules shown below are for the next available departures.
Want to know about travelling from Cardiff to Watford Junction? 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 Junction. However, there are services departing from Cardiff station and arriving at Watford Junction station via London Paddington. The journey, including transfers, takes approximately 2h 55m.
Cardiff to Watford Junction train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Watford Junction train services, operated by Great Western Railway (GWR), arrive at Harrow & Wealdstone station.
The distance between Cardiff and Watford Junction is 193.5 km. The road distance is 258 km.
There is no direct connection from Cardiff to Watford Junction. However, you can take the train to London Paddington, walk to Paddington station, take the subway to Harrow & Wealdstone station, walk to Harrow & Wealdstone, then take the train to Watford Junction.
