The average train between Lewes and Portsmouth takes 2h 10m and the fastest train takes 1h 44m. There is a train service every few hours from Lewes 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 Lewes and Portsmouth. The earliest departure is at 12:28 AM at night, and the last departure from Lewes is at 9:42 PM which arrives into Portsmouth at 11:32 PM. All services require a transfer, and take on average 2h 10m. The schedules shown below are for the next available departures.

1h 58m • 1 change

2h • 1 change

1h 59m • 1 change

1h 50m • 1 change

6h 7m • 1 change

1h 49m • 1 change

2h 6m • 1 change

1h 49m • 1 change

6h 7m • 1 change

1h 49m • 1 change

2h 6m • 1 change

1h 49m • 1 change

6h 7m • 1 change

1h 49m • 1 change

2h 6m • 1 change

1h 49m • 1 change
Want to know about travelling from Lewes 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 Lewes to Portsmouth. However, there are services departing from Lewes station and arriving at Portsmouth station via Portsmouth & Southsea. The journey, including transfers, takes approximately 2h 10m.
Lewes to Portsmouth train services, operated by Southern, depart from Brighton station.
Lewes to Portsmouth train services, operated by Southern, arrive at Portsmouth & Southsea station.
Book your Lewes to Portsmouth train tickets online with Southern.
The distance between Lewes and Portsmouth is 77.7 km. The road distance is 84 km.
Southern operates a train from Brighton to Portsmouth & Southsea hourly. Tickets cost £22–50 and the journey takes 1h 22m.