The average train between Reading and Portsmouth takes 2h and the fastest train takes 1h 39m. There is a train service every few hours from Reading 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 Reading and Portsmouth. The earliest departure is at 6:05 AM in the morning, and the last departure from Reading is at 11:05 PM which arrives into Portsmouth at 9:07 AM. All services require a transfer, and take on average 2h. The schedules shown below are for the next available departures.

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2h 12m • 1 changeWant to know about travelling from Reading 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 Reading to Portsmouth. However, there are services departing from Basingstoke station and arriving at Portsmouth & Southsea station via Portsmouth & Southsea station. The journey, including transfers, takes approximately 2h.
Reading to Portsmouth train services, operated by South Western Railway, depart from Basingstoke station.
Reading to Portsmouth train services, operated by South Western Railway, arrive at Portsmouth & Southsea station.
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The distance between Reading and Portsmouth is 73.6 km. The road distance is 90 km.
South Western Railway operates a train from Basingstoke to Portsmouth & Southsea hourly. Tickets cost £17–40 and the journey takes 1h 9m.