The average train between Didcot and Southampton takes 1h 17m and the fastest train takes 1h 6m. There is a train service every few hours from Didcot to Southampton. 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 Didcot and Southampton. The earliest departure is at 7:27 AM in the morning, and the last departure from Didcot is at 10:21 PM which arrives into Southampton at 11:45 PM. All services require a transfer, and take on average 1h 17m. The schedules shown below are for the next available departures.

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Want to know about travelling from Didcot to Southampton? 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 Didcot to Southampton. However, there are services departing from Didcot station and arriving at Southampton station via Reading. The journey, including transfers, takes approximately 1h 17m.
Didcot to Southampton train services, operated by Great Western Railway (GWR), depart from Didcot Parkway station.
Didcot to Southampton train services, operated by Great Western Railway (GWR), arrive at Southampton Central station.
Book your Didcot to Southampton train tickets online with Great Western Railway (GWR) and Cross Country.
The distance between Didcot and Southampton is 79.2 km. The road distance is 103 km.
You can take a train from Didcot Parkway to Southampton Central via Reading in around 1h 51m.