The average bus between Northampton and South Harrow takes 5h 38m and the fastest bus takes 2h 29m. The bus service runs several times per day from Northampton to South Harrow. 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 3 times a day between Northampton and South Harrow. The earliest departure is at 1:50 AM at night, and the last departure from Northampton is at 1:00 PM which arrives into South Harrow at 12:39 AM. All services require a transfer at London Heathrow Airport and take an average of 5h 38m. The schedules shown below are for the next available departures.

2h 47m • 1 change

2h 30m • 1 change
Arrives next day

11h 39m • 1 change

2h 47m • 1 change

2h 30m • 1 change
Arrives next day

11h 39m • 1 change

2h 47m • 1 change

2h 30m • 1 change
Arrives next day

11h 39m • 1 change

2h 47m • 1 change

2h 29m • 1 change
Arrives next day

11h 39m • 1 change
Want to know about travelling from Northampton to South Harrow? 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 Northampton to South Harrow. However, there are services departing from Northampton station and arriving at South Harrow station via London Heathrow Airport. The journey, including transfers, takes approximately 5h 38m.
Northampton to South Harrow bus services, operated by FlixBus, depart from Northampton Town Centre station.
Northampton to South Harrow bus services, operated by FlixBus, arrive at South Harrow Station.
The distance between Northampton and South Harrow is 84.3 km. The road distance is 128 km.
You can take a bus from Northampton Town Centre to South Harrow Station via London Heathrow Airport and Heathrow Central Bus Station in around 2h 45m.