The average bus between Northolt and Harpenden takes 2h 39m and the fastest bus takes 1h 53m. The bus runs at least 2 times per hour from Northolt 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 every 30 minutes between Northolt and Harpenden. The earliest departure is at 12:41 AM at night, and the last departure from Northolt is at 11:41 PM which arrives into Harpenden at 6:13 AM. All services require a transfer at Harrow & Wealdstone Station and take an average of 2h 39m. The schedules shown below are for the next available departures.
Arrives next day


2h 24m • 2 changes
Arrives next day


6h 31m • 2 changes


6h 31m • 2 changes


2h 39m • 2 changes


2h 42m • 2 changes


2h 54m • 2 changes


6h 31m • 2 changes


2h 39m • 2 changes


2h 42m • 2 changes


2h 54m • 2 changes
Want to know about travelling from Northolt 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 Northolt to Harpenden. However, there are services departing from Northolt station and arriving at Harpenden station via Harrow & Wealdstone Station station. The journey, including transfers, takes approximately 2h 39m.
Northolt to Harpenden bus services, operated by First Bus London, depart from Northolt Station.
Northolt to Harpenden bus services, operated by First Bus London, arrive at Old Cock Inn station.
The distance between Northolt and Harpenden is 29.8 km. The road distance is 41 km.
You can take a bus from Northolt Station to Old Cock Inn via Harrow & Wealdstone Station, Harrow & Wealdstone, Watford Junction, and Watford Junction station in around 1h 54m.