The average bus between Southampton and Keston takes 5h 11m and the fastest bus takes 4h 4m. There is a bus service every few hours from Southampton to Keston. 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 Southampton and Keston. The earliest departure is at 2:20 AM at night, and the last departure from Southampton is at 9:25 PM which arrives into Keston at 5:37 AM. All services require a transfer at London Green Line Coach Station and take an average of 5h 11m. The schedules shown below are for the next available departures.



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4h 52m • 3 changesWant to know about travelling from Southampton to Keston? 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 Southampton to Keston. However, there are services departing from Southampton Central Station and arriving at London Green Line Coach Station via London Green Line Coach Station. The journey, including transfers, takes approximately 5h 11m.
Southampton to Keston bus services, operated by FlixBus, depart from Southampton Central Station.
Southampton to Keston bus services, operated by FlixBus, arrive at London Green Line Coach Station.
The distance between Southampton and Keston is 112.2 km. The road distance is 133 km.
FlixBus operates a bus from Southampton Central Station to London Green Line Coach Station every 3 hours. Tickets cost £9–15 and the journey takes 3h.