The average bus between Guildford and Harpenden takes 4h 11m and the fastest bus takes 2h 57m. There is a bus service every few hours from Guildford to Harpenden. 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 Guildford and Harpenden. The earliest departure is at 3:30 AM at night, and the last departure from Guildford is at 11:00 PM which arrives into Harpenden at 6:13 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 4h 11m. The schedules shown below are for the next available departures.


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4h 7m • 2 changesWant to know about travelling from Guildford to Harpenden? 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 Guildford to Harpenden. However, there are services departing from Guildford station and arriving at Luton DART Parkway station via Heathrow Terminal 2 station. The journey, including transfers, takes approximately 4h 11m.
Guildford to Harpenden bus services, operated by First Berkshire & The Thames Valley, depart from Guildford station.
Guildford to Harpenden bus services, operated by FlixBus, arrive at Luton DART Parkway station.
Book your Guildford to Harpenden bus tickets online with Omio.
The distance between Guildford and Harpenden is 66.4 km. The road distance is 78 km.
You can take a bus from Guildford station to Harpenden via Heathrow Terminal 2, London Heathrow Airport, Luton DART Parkway, and Luton Airport Parkway in around 3h 21m.