The average bus between Cambridge and South Harrow takes 3h 25m and the fastest bus takes 2h 57m. The bus service runs several times per day from Cambridge 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 every 4 hours between Cambridge and South Harrow. The earliest departure is at 2:25 AM at night, and the last departure from Cambridge is at 5:05 PM which arrives into South Harrow at 8:20 PM. All services require a transfer at London Heathrow Airport and take an average of 3h 25m. The schedules shown below are for the next available departures.

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Want to know about travelling from Cambridge 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 Cambridge to South Harrow. However, there are services departing from Cambridge station and arriving at South Harrow station via London Heathrow Airport. The journey, including transfers, takes approximately 3h 25m.
Cambridge to South Harrow bus services, operated by FlixBus, depart from Cambridge Parkside - Stop 18 station.
Cambridge to South Harrow bus services, operated by FlixBus, arrive at South Harrow Station.
The distance between Cambridge and South Harrow is 77.5 km. The road distance is 132 km.
You can take a bus from Cambridge Parkside - Stop 18 to South Harrow Station via London Heathrow Airport and Heathrow Central Bus Station in around 3h 16m.