The average bus between Reading and Harrow takes 2h 13m and the fastest bus takes 1h 46m. The bus runs at least 2 times per hour from Reading 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 30 minutes between Reading and Harrow. The earliest departure is at 2:40 AM at night, and the last departure from Reading is at 10:03 PM which arrives into Harrow at 11:50 PM. All services require a transfer at Heathrow Terminal 2 and take an average of 2h 13m. The schedules shown below are for the next available departures.

2h 4m • 1 change

1h 56m • 1 change

2h 7m • 1 change

1h 58m • 1 change
Want to know about travelling from Reading 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 Reading to Harrow. However, there are services departing from Reading station and arriving at Harrow station via Heathrow Terminal 2. The journey, including transfers, takes approximately 2h 13m.
Reading to Harrow bus services, operated by RailAir, depart from Reading RailAir station.
Reading to Harrow bus services, operated by RailAir, arrive at Harrow Bus Station.
The distance between Reading and Harrow is 46 km. The road distance is 67 km.
You can take a bus from Reading RailAir to Harrow Bus Station via Heathrow Terminal 2 and Heathrow Central Bus Station in around 2h 9m.