The average train between Hounslow and Watford takes 54 min and the fastest train takes 48 min. The train runs at least 3 times per hour from Hounslow 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 every 20 minutes between Hounslow and Watford. The earliest departure is at 6:08 AM in the morning, and the last departure from Hounslow is at 6:21 PM which arrives into Watford at 7:11 PM. All services require a transfer at Willesden Junction and take an average of 54 min. The schedules shown below are for the next available departures.

50 min • 1 change

50 min • 1 change

56 min • 1 change

59 min • 1 change
Want to know about travelling from Hounslow 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 Hounslow to Watford. However, there are services departing from Hounslow station and arriving at Watford station via Willesden Junction. The journey, including transfers, takes approximately 54 min.
Hounslow to Watford train services, operated by London Overground, depart from Richmond NLL station.
Hounslow to Watford train services, operated by London Overground, arrive at Watford High Street station.
Book your Hounslow to Watford train tickets online with London Overground.
The distance between Hounslow and Watford is 20.9 km. The road distance is 27 km.
You can take a train from Richmond NLL to Watford High Street via Willesden Junction and Willesden Junction Low Level in around 54 min.