The average train between Harrow on the Hill and Brentford takes 31 min and the fastest train takes 28 min. The train runs at least 7 times per hour from Harrow on the Hill to Brentford. 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 10 minutes between Harrow on the Hill and Brentford. The earliest departure is at 12:54 AM at night, and the last departure from Harrow on the Hill is at 12:35 PM which arrives into Brentford at 1:08 PM. All services require a transfer, and take on average 31 min. The schedules shown below are for the next available departures.

4h 14m • 1 change

32 min • 1 change

33 min • 1 change

29 min • 1 change
Want to know about travelling from Harrow on the Hill to Brentford? 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 Harrow on the Hill to Brentford. However, there are services departing from Harrow on the Hill station and arriving at Brentford station via Acton Town station station. The journey, including transfers, takes approximately 31 min.
Harrow on the Hill to Brentford train services, operated by London Underground (Tube), depart from South Harrow station.
Harrow on the Hill to Brentford train services, operated by London Underground (Tube), arrive at Boston Manor station.
The distance between Harrow on the Hill and Brentford is 9.6 km. The road distance is 13 km.
You can take a subway from South Harrow station to Boston Manor station via Acton Town station in around 26 min.