The average train between Portsmouth and Datchet takes 2h 44m and the fastest train takes 2h 30m. There is a train service every few hours from Portsmouth to Datchet. 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 Portsmouth and Datchet. The earliest departure is at 4:35 AM at night, and the last departure from Portsmouth is at 9:37 PM which arrives into Datchet at 12:35 AM. All services require a transfer, and take on average 2h 44m. The schedules shown below are for the next available departures.

2h 47m • 1 change

2h 53m • 1 change

2h 36m • 1 change

2h 33m • 1 change

2h 47m • 1 change

2h 53m • 1 change

2h 36m • 1 change

2h 33m • 1 change

2h 47m • 1 change

2h 53m • 1 change

2h 36m • 1 change

2h 33m • 1 change
Want to know about travelling from Portsmouth to Datchet? 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 Portsmouth to Datchet. However, there are services departing from Portsmouth station and arriving at Datchet station via London Waterloo. The journey, including transfers, takes approximately 2h 44m.
Portsmouth to Datchet train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Datchet train services, operated by South Western Railway, arrive at Datchet station.
Book your Portsmouth to Datchet train tickets online with South Western Railway.
The distance between Portsmouth and Datchet is 84.1 km. The road distance is 156 km.
You can take a train from Portsmouth & Southsea to Datchet via London Waterloo in around 2h 39m.