The average train between Ruislip and Watford takes 39 min and the fastest train takes 35 min. The train runs at least 4 times per hour from Ruislip 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 15 minutes between Ruislip and Watford. The earliest departure is at 2:27 PM in the afternoon, and the last departure from Ruislip is at 11:28 PM which arrives into Watford at 12:07 AM. All services require a transfer, and take on average 39 min. The schedules shown below are for the next available departures.

40 min • 1 change

40 min • 1 change

40 min • 1 change

41 min • 1 change
Want to know about travelling from Ruislip 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 Ruislip to Watford. However, there are services departing from Ruislip station and arriving at Watford station via Harrow-on-the-Hill station station. The journey, including transfers, takes approximately 39 min.
Ruislip to Watford train services, operated by London Underground (Tube), depart from Ruislip station.
Ruislip to Watford train services, operated by London Underground (Tube), arrive at Watford station.
The distance between Ruislip and Watford is 9.3 km. The road distance is 20 km.
You can take a subway from Ruislip station to Watford station via Harrow-on-the-Hill station in around 35 min.