The average train between Brentford and Harrow takes 32 min and the fastest train takes 28 min. The train runs at least 5 times per hour from Brentford to Harrow. 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 Brentford and Harrow. The earliest departure is at 3:32 PM in the afternoon, and the last departure from Brentford is at 10:56 PM which arrives into Harrow at 11:33 PM. All services require a transfer, and take on average 32 min. The schedules shown below are for the next available departures.

30 min • 1 change

33 min • 1 change

32 min • 1 change

35 min • 1 change
Want to know about travelling from Brentford to Harrow? 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 Brentford to Harrow. However, there are services departing from Brentford station and arriving at Harrow station via Acton Town station station. The journey, including transfers, takes approximately 32 min.
Brentford to Harrow train services, operated by London Underground (Tube), depart from Boston Manor station.
Brentford to Harrow train services, operated by London Underground (Tube), arrive at South Harrow station.
Book your Brentford to Harrow train tickets online with London Underground (Tube).
The distance between Brentford and Harrow is 10.6 km. The road distance is 13 km.
You can take a subway from Boston Manor station to South Harrow station via Acton Town station in around 30 min.