The average bus between Brentford and Harrow takes 51 min and the fastest bus takes 34 min. The bus runs at least 4 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.
Buses run every 15 minutes between Brentford and Harrow. The earliest departure is at 10:32 AM in the morning, and the last departure from Brentford is at 9:05 PM which arrives into Harrow at 9:48 PM. All services require a transfer, and take on average 51 min. The schedules shown below are for the next available departures.

49 min • 1 change

55 min • 1 change

53 min • 1 change

51 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 bus from Brentford to Harrow. However, there are services departing from Brentford station and arriving at Harrow station via Ealing Hospital. The journey, including transfers, takes approximately 51 min.
Brentford to Harrow bus services, operated by Abellio London, depart from Great West Road / Boston Manor Road station.
Brentford to Harrow bus services, operated by Abellio London, arrive at Sudbury Hill Harrow station.
The distance between Brentford and Harrow is 10.6 km. The road distance is 11 km.
You can take a bus from Great West Road / Boston Manor Road to Sudbury Hill Harrow via Ealing Hospital in around 50 min.