The average bus between Northolt and Watford takes 1h 5m and the fastest bus takes 43 min. The bus runs at least 4 times per hour from Northolt 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.
Buses run every 15 minutes between Northolt and Watford. The earliest departure is at 10:56 AM in the morning, and the last departure from Northolt is at 11:44 PM which arrives into Watford at 12:34 AM. All services require a transfer, and take on average 1h 5m. The schedules shown below are for the next available departures.

1h 10m • 1 change

1h 9m • 1 change

1h 7m • 1 change

1h 3m • 1 change
Want to know about travelling from Northolt 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 bus from Northolt to Watford. However, there are services departing from Northolt station and arriving at Watford station via Harrow Bus Station station. The journey, including transfers, takes approximately 1h 5m.
Northolt to Watford bus services, operated by Metroline Travel, depart from Northolt Station.
Northolt to Watford bus services, operated by Metroline Travel, arrive at St Mary's Road station.
The distance between Northolt and Watford is 12 km. The road distance is 20 km.
You can take a bus from Northolt Station to St Mary's Road via Harrow Bus Station in around 1h 1m.