The average bus between Harrow and Guildford takes 2h 27m and the fastest bus takes 1h 53m. There is a bus service every few hours from Harrow to Guildford. 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 hourly between Harrow and Guildford. The earliest departure is at 3:09 AM at night, and the last departure from Harrow is at 10:38 PM which arrives into Guildford at 12:36 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 2h 27m. The schedules shown below are for the next available departures.

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1h 57m • 1 change
2h 37m • 1 change
2h 46m • 1 change
2h 40m • 1 changeWant to know about travelling from Harrow to Guildford? 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 Guildford. However, there are services departing from Harrow Bus Station and arriving at Guildford station via Heathrow Central Bus Station. The journey, including transfers, takes approximately 2h 27m.
Harrow to Guildford bus services, operated by First Bus London, depart from Harrow Bus Station.
Harrow to Guildford bus services, operated by First Berkshire & The Thames Valley, arrive at Guildford station.
The distance between Harrow and Guildford is 41.8 km. The road distance is 55 km.
You can take a bus from Harrow Bus Station to Guildford station via Heathrow Central Bus Station and Heathrow Terminal 2 in around 2h 34m.