The average train between Oxford and Portsmouth Harbour takes 3h 21m and the fastest train takes 2h 34m. There is a train service every few hours from Oxford to Portsmouth Harbour. 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 Harbour. 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 Harbour at 8:15 AM. All services require a transfer at Basingstoke and take an average of 3h 21m. The schedules shown below are for the next available departures.

3h 4m • 1 change

3h 3m • 1 change

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3h • 1 change

2h 59m • 1 change

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3h • 1 change

2h 59m • 1 change

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3h 2m • 1 change

3h • 1 change

2h 59m • 1 change
Want to know about travelling from Oxford to Portsmouth Harbour? 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 Harbour. However, there are services departing from Oxford station and arriving at Portsmouth Harbour station via Basingstoke. The journey, including transfers, takes approximately 3h 21m.
Oxford to Portsmouth Harbour train services, operated by Cross Country, depart from Oxford station.
Oxford to Portsmouth Harbour train services, operated by Cross Country, arrive at Portsmouth Harbour station.
Book your Oxford to Portsmouth Harbour train tickets online with Cross Country and South Western Railway.
The distance between Oxford and Portsmouth Harbour is 106.7 km. The road distance is 145 km.
You can take a train from Oxford to Portsmouth Harbour via Basingstoke and Portsmouth Harbour in around 2h 50m.