The average train between Portsmouth and St. Helier takes 2h 43m and the fastest train takes 2h 5m. There is a train service every few hours from Portsmouth to St. Helier. 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 every 2 hours between Portsmouth and St. Helier. The earliest departure is at 4:35 AM at night, and the last departure from Portsmouth is at 10:37 PM which arrives into St. Helier at 6:33 AM. All services require a transfer, and take on average 2h 43m. The schedules shown below are for the next available departures.

2h 28m • 1 change

2h 5m • 1 change

2h 12m • 1 change

2h 35m • 1 change

2h 28m • 1 change

2h 5m • 1 change

2h 12m • 1 change

2h 35m • 1 change

2h 28m • 1 change

2h 5m • 1 change

2h 12m • 1 change

2h 35m • 1 change

2h 28m • 1 change

2h 5m • 1 change

2h 12m • 1 change

2h 35m • 1 change

2h 17m • 1 change

2h 13m • 1 change

2h 26m • 1 change

2h 26m • 1 change
Want to know about travelling from Portsmouth to St. Helier? 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 St. Helier. However, there are services departing from Portsmouth station and arriving at St. Helier station via Clapham Junction. The journey, including transfers, takes approximately 2h 43m.
Portsmouth to St. Helier train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to St. Helier train services, operated by South Western Railway, arrive at Clapham Junction station.
Book your Portsmouth to St. Helier train tickets online with South Western Railway and Southern.
The distance between Portsmouth and St. Helier is 91.2 km. The road distance is 120 km.
South Western Railway operates a train from Portsmouth & Southsea to Clapham Junction hourly. Tickets cost £28–65 and the journey takes 1h 47m.