The average bus between Reading and Harrow takes 2h 11m and the fastest bus takes 1h 45m. 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 11:03 PM which arrives into Harrow at 1:16 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 2h 11m. The schedules shown below are for the next available departures.

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2h 8m • 1 changeWant 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 RailAir station and arriving at Harrow Bus Station via Heathrow Terminal 2 station. The journey, including transfers, takes approximately 2h 11m.
Reading to Harrow bus services, operated by RailAir, depart from Reading RailAir station.
Reading to Harrow bus services, operated by First Bus London, arrive at Harrow Bus Station.
The distance between Reading and Harrow is 46 km. The road distance is 55 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 1m.