The average train between Luton and Watford Junction takes 1h and the fastest train takes 46 min. The train runs at least 3 times per hour from Luton 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 every 20 minutes between Luton and Watford Junction. The earliest departure is at 4:38 AM at night, and the last departure from Luton is at 4:59 PM which arrives into Watford Junction at 5:59 PM. All services require a transfer at London St Pancras Intl and take an average of 1h. The schedules shown below are for the next available departures.

1h 8m • 1 change

54 min • 1 change

1h 6m • 1 change

59 min • 1 change
Want to know about travelling from Luton 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 Luton to Watford Junction. However, there are services departing from Luton station and arriving at Watford Junction station via London St Pancras Intl. The journey, including transfers, takes approximately 1h.
Luton to Watford Junction train services, operated by Thameslink, depart from Luton station.
Luton to Watford Junction train services, operated by Thameslink, arrive at Watford Junction station.
Book your Luton to Watford Junction train tickets online with Thameslink, Avanti West Coast and 2 other operators.
The distance between Luton and Watford Junction is 24.1 km. The road distance is 77 km.
You can take a train from Luton to Watford Junction via London St Pancras Intl and London Euston in around 1h 10m.