The average bus between Harpenden and Guildford takes 4h 33m and the fastest bus takes 3h 17m. There is a bus service every few hours from Harpenden 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 Harpenden and Guildford. The earliest departure is at 5:01 AM in the morning, and the last departure from Harpenden is at 9:51 PM which arrives into Guildford at 5:36 AM. All services require a transfer at Park Parade and take an average of 4h 33m. The schedules shown below are for the next available departures.


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4h 19m • 2 changesWant to know about travelling from Harpenden 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 Harpenden to Guildford. However, there are services departing from Old Cock Inn station and arriving at Guildford station via Park Parade station and Heathrow Central Bus Station. The journey, including transfers, takes approximately 4h 33m.
Harpenden to Guildford bus services, operated by Arriva UK, depart from Old Cock Inn station.
Harpenden to Guildford bus services, operated by First Berkshire & The Thames Valley, arrive at Guildford station.
The distance between Harpenden and Guildford is 66.4 km. The road distance is 82 km.
You can take a bus from Old Cock Inn to Guildford station via Park Parade, Heathrow Central Bus Station, and Heathrow Terminal 2 in around 4h 19m.