Trains from Portsmouth to Swansea
Portsmouth to Swansea train information
Distance
136 miles
Search for your ticket on Gopili to see the different companies for your train between Portsmouth and Swansea. The services on board can change depending on the train company.
Portsmouth - Swansea: the best time to book cheap trains
The table below shows the best prices found over the last six months depending on how much time in advance the train ticket is booked. Buying your train from Portsmouth to Swansea in advance can enable you to save money for your journey.