The average bus between Harrow and Isleworth takes 1h 10m and the fastest bus takes 1h. There is a bus service every few hours from Harrow to Isleworth. 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 2 hours between Harrow and Isleworth. The earliest departure is at 12:09 AM at night, and the last departure from Harrow is at 11:39 PM which arrives into Isleworth at 12:58 AM. All services require a transfer, and take on average 1h 10m. The schedules shown below are for the next available departures.

1h 15m • 1 change
Arrives next day

1h 9m • 1 change
Arrives next day

1h 19m • 1 change

1h 9m • 1 change

1h 19m • 1 change

1h 10m • 1 change

1h • 1 change

1h 10m • 1 change

1h 10m • 1 change

1h 10m • 1 change

1h 9m • 1 change

1h 10m • 1 change

1h 10m • 1 change

1h 10m • 1 change

1h 9m • 1 change

1h 9m • 1 change

1h • 1 change

1h 10m • 1 change

1h • 1 change
Want to know about travelling from Harrow to Isleworth? 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 Isleworth. However, there are services departing from Harrow station and arriving at Isleworth station via Nene Road. The journey, including transfers, takes approximately 1h 10m.
Harrow to Isleworth bus services, operated by Metroline Travel, depart from Harrow Bus Station.
Harrow to Isleworth bus services, operated by Metroline Travel, arrive at West Thames College station.
The distance between Harrow and Isleworth is 11.8 km. The road distance is 26 km.
You can take a bus from Harrow Bus Station to West Thames College via Nene Road in around 1h 20m.