The average train between Southampton and Flitwick takes 2h 44m and the fastest train takes 2h 27m. There is an hourly train service from Southampton to Flitwick. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Southampton and Flitwick. The earliest departure is at 4:49 AM at night, and the last departure from Southampton is at 11:00 PM which arrives into Flitwick at 7:36 AM. All services require a transfer at London Waterloo Station and take an average of 2h 44m. The schedules shown below are for the next available departures.


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2h 40m • 2 changesWant to know about travelling from Southampton to Flitwick? 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 train from Southampton to Flitwick. However, there are services departing from Southampton Central station and arriving at Flitwick station via London Waterloo station. The journey, including transfers, takes approximately 2h 44m.
Southampton to Flitwick train services, operated by South Western Railway, depart from Southampton Central station.
Southampton to Flitwick train services, operated by Thameslink, arrive at Flitwick station.
Book your Southampton to Flitwick train tickets online with Omio.
The distance between Southampton and Flitwick is 137.7 km. The road distance is 169 km.
You can take a train from Southampton Central to Flitwick via London Waterloo Station, Waterloo Station, West Hampstead station, and West Hampstead Thameslink in around 2h 27m.