The average bus between Harrow on the Hill and Sunbury-on-Thames takes 2h 5m and the fastest bus takes 1h 24m. The bus runs at least 2 times per hour from Harrow on the Hill to Sunbury-on-Thames. 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 30 minutes between Harrow on the Hill and Sunbury-on-Thames. The earliest departure is at 12:31 AM at night, and the last departure from Harrow on the Hill is at 11:01 PM which arrives into Sunbury-on-Thames at 12:33 AM. All services require a transfer at Northolt Station and take an average of 2h 5m. The schedules shown below are for the next available departures.


5h 18m • 2 changes


1h 48m • 2 changes


2h 13m • 2 changes


2h 22m • 2 changes
Want to know about travelling from Harrow on the Hill to Sunbury-on-Thames? 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 Harrow on the Hill to Sunbury-on-Thames. However, there are services departing from Harrow on the Hill station and arriving at Sunbury-on-Thames station via The Bell. The journey, including transfers, takes approximately 2h 5m.
Harrow on the Hill to Sunbury-on-Thames bus services, operated by First Bus London, depart from Northolt Station.
Harrow on the Hill to Sunbury-on-Thames bus services, operated by First Bus London, arrive at The Three Fishes station.
The distance between Harrow on the Hill and Sunbury-on-Thames is 19.4 km. The road distance is 27 km.
You can take a bus from West Street Whitmore Road to The Three Fishes via Northolt Station and The Bell in around 1h 52m.