The average train between Oxford and Portsmouth takes 3h 16m and the fastest train takes 2h 25m. There is a train service every few hours from Oxford 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 Oxford and Portsmouth. The earliest departure is at 7:16 AM in the morning, and the last departure from Oxford is at 10:15 PM which arrives into Portsmouth at 8:12 AM. All services require a transfer, and take on average 3h 16m. The schedules shown below are for the next available departures.

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2h 53m • 1 changeWant to know about travelling from Oxford 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 Oxford to Portsmouth. However, there are services departing from Oxford station and arriving at Portsmouth & Southsea station via Basingstoke station. The journey, including transfers, takes approximately 3h 16m.
Oxford to Portsmouth train services, operated by Cross Country, depart from Oxford station.
Oxford to Portsmouth train services, operated by South Western Railway, arrive at Portsmouth & Southsea station.
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The distance between Oxford and Portsmouth is 106.6 km. The road distance is 125 km.
You can take a train from Oxford to Portsmouth & Southsea via Basingstoke in around 2h 46m.