The average bus between Harrow and Brentford takes 50 min and the fastest bus takes 30 min. The bus runs at least 3 times per hour from Harrow 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.
Buses run every 20 minutes between Harrow and Brentford. The earliest departure is at 6:24 AM in the morning, and the last departure from Harrow is at 6:52 PM which arrives into Brentford at 7:36 PM. All services require a transfer, and take on average 50 min. The schedules shown below are for the next available departures.

53 min • 1 change

52 min • 1 change

58 min • 1 change

57 min • 1 change
Want to know about travelling from Harrow 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 bus from Harrow to Brentford. However, there are services departing from Harrow station and arriving at Brentford station via Ealing Hospital. The journey, including transfers, takes approximately 50 min.
Harrow to Brentford bus services, operated by Metroline Travel, depart from Sudbury Hill Harrow station.
Harrow to Brentford bus services, operated by Metroline Travel, arrive at Great West Road / Boston Manor Road station.
The distance between Harrow and Brentford is 10.6 km. The road distance is 10 km.
You can take a bus from Sudbury Hill Harrow to Great West Road / Boston Manor Road via Ealing Hospital in around 44 min.