The average train between Cambridge and Portsmouth takes 4h 9m and the fastest train takes 3h 45m. There is an hourly train service from Cambridge 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 Cambridge and Portsmouth. The earliest departure is at 4:51 AM at night, and the last departure from Cambridge is at 9:51 PM which arrives into Portsmouth at 10:51 AM. All services require a transfer, and take on average 4h 9m. The schedules shown below are for the next available departures.
Want to know about travelling from Cambridge 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 Cambridge to Portsmouth. However, there are services departing from Cambridge station and arriving at Portsmouth station via East Croydon. The journey, including transfers, takes approximately 4h 9m.
Cambridge to Portsmouth train services, operated by Thameslink, depart from Cambridge station.
Cambridge to Portsmouth train services, operated by Thameslink, arrive at Portsmouth & Southsea station.
Book your Cambridge to Portsmouth train tickets online with Thameslink and Southern.
The distance between Cambridge and Portsmouth is 176.8 km. The road distance is 234 km.
You can take a train from Cambridge to Portsmouth & Southsea via East Croydon in around 3h 45m.
