The average train between Didcot and Portsmouth takes 2h 27m and the fastest train takes 2h 6m. There is a train service every few hours from Didcot 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 Didcot and Portsmouth. The earliest departure is at 5:46 AM in the morning, and the last departure from Didcot is at 9:58 PM which arrives into Portsmouth at 12:20 AM. All services require a transfer at Reading and take an average of 2h 27m. The schedules shown below are for the next available departures.


2h 14m • 2 changes


2h 44m • 2 changes


2h 24m • 2 changes


2h 6m • 2 changes


2h 24m • 2 changes


2h 35m • 2 changes


2h 14m • 2 changes


2h 44m • 2 changes


2h 24m • 2 changes


2h 35m • 2 changes


2h 14m • 2 changes


2h 44m • 2 changes
Want to know about travelling from Didcot 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 Didcot to Portsmouth. However, there are services departing from Didcot station and arriving at Portsmouth station via Reading. The journey, including transfers, takes approximately 2h 27m.
Didcot to Portsmouth train services, operated by Great Western Railway (GWR), depart from Didcot Parkway station.
Didcot to Portsmouth train services, operated by Great Western Railway (GWR), arrive at Portsmouth & Southsea station.
Book your Didcot to Portsmouth train tickets online with Great Western Railway (GWR), South Western Railway and Cross Country.
The distance between Didcot and Portsmouth is 90.7 km. The road distance is 128 km.
You can take a train from Didcot Parkway to Portsmouth & Southsea via Reading and Basingstoke in around 2h 45m.