The average train between Bicester and Portsmouth takes 3h 50m and the fastest train takes 2h 55m. There is a train service every few hours from Bicester to Portsmouth. 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 Bicester and Portsmouth. The earliest departure is at 1:00 AM at night, and the last departure from Bicester is at 9:50 PM which arrives into Portsmouth at 8:12 AM. All services require a transfer at London Marylebone and take an average of 3h 50m. The schedules shown below are for the next available departures.


3h 30m • 2 changes


3h 31m • 2 changes


3h 29m • 2 changes


3h 29m • 2 changes


3h 27m • 2 changes


3h 19m • 2 changes


3h 35m • 2 changes


3h 30m • 2 changes


9h 12m • 2 changes


3h 25m • 2 changes


3h 25m • 2 changes


3h 25m • 2 changes


3h 22m • 2 changes


3h 22m • 2 changes


3h 22m • 2 changes


3h 22m • 2 changes
Want to know about travelling from Bicester to Portsmouth? 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 Bicester to Portsmouth. However, there are services departing from Bicester station and arriving at Portsmouth station via London Marylebone. The journey, including transfers, takes approximately 3h 50m.
Bicester to Portsmouth train services, operated by Chiltern Railways, depart from Bicester North station.
Bicester to Portsmouth train services, operated by Chiltern Railways, arrive at Portsmouth & Southsea station.
Book your Bicester to Portsmouth train tickets online with Chiltern Railways, Cross Country and South Western Railway.
The distance between Bicester and Portsmouth is 122.5 km. The road distance is 229 km.
You can take a train from Bicester North to Portsmouth & Southsea via London Marylebone, Marylebone Station, Victoria Station, and London Victoria in around 3h 44m.