The average train between Thetford and Portsmouth takes 4h 23m and the fastest train takes 3h 35m. There is a train service every few hours from Thetford 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 Thetford and Portsmouth. The earliest departure is at 6:21 AM in the morning, and the last departure from Thetford is at 11:14 PM which arrives into Portsmouth at 8:30 AM. All services require a transfer at Ely and take an average of 4h 23m. The schedules shown below are for the next available departures.



4h 30m • 3 changes



4h 30m • 3 changes



4h 56m • 3 changes



4h 30m • 3 changes



3h 42m • 3 changes



3h 38m • 3 changes



3h 57m • 3 changes



4h 4m • 3 changes



3h 42m • 3 changes



3h 38m • 3 changes



3h 57m • 3 changes



4h 4m • 3 changes
Want to know about travelling from Thetford 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 Thetford to Portsmouth. However, there are services departing from Thetford station and arriving at Portsmouth station via King's Cross. The journey, including transfers, takes approximately 4h 23m.
Thetford to Portsmouth train services, operated by East Midlands Railways, depart from Ely station.
Thetford to Portsmouth train services, operated by East Midlands Railways, arrive at Portsmouth & Southsea station.
Book your Thetford to Portsmouth train tickets online with East Midlands Railways, Great Northern and 3 other operators.
The distance between Thetford and Portsmouth is 220.3 km. The road distance is 273 km.
You can take a train from Thetford to Portsmouth & Southsea via Ely, London Kings Cross, Euston station, Waterloo Station, and London Waterloo in around 4h 8m.