The average bus between Harrow and Windsor Castle takes 1h 52m and the fastest bus takes 1h 39m. The bus service runs several times per day from Harrow to Windsor Castle. 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 5 times a day between Harrow and Windsor Castle. The earliest departure is at 2:37 AM at night, and the last departure from Harrow is at 11:08 PM which arrives into Windsor Castle at 12:48 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 1h 52m. The schedules shown below are for the next available departures.


1h 57m • 2 changes


1h 59m • 2 changes


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1h 41m • 2 changes


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1h 59m • 2 changes


2h 2m • 2 changes


1h 41m • 2 changes


1h 57m • 2 changes


1h 59m • 2 changes


2h 2m • 2 changes


1h 41m • 2 changes


1h 57m • 2 changes


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2h 2m • 2 changes


1h 41m • 2 changes


1h 57m • 2 changes


1h 59m • 2 changes


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1h 39m • 2 changes
Want to know about travelling from Harrow to Windsor Castle? 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 Windsor Castle. However, there are services departing from Harrow station and arriving at Windsor Castle station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 1h 52m.
Harrow to Windsor Castle bus services, operated by Metroline Travel, depart from Harrow Town Centre station.
Harrow to Windsor Castle bus services, operated by Metroline Travel, arrive at Windsor Castle station.
The distance between Harrow and Windsor Castle is 21.4 km. The road distance is 38 km.
You can take a bus from Harrow Town Centre to Windsor Castle via Heathrow Central Bus Station, Wellington Street Stop H, and Windsor Castle in around 1h 37m.