The average train between Dover and Portsmouth Harbour takes 3h 34m and the fastest train takes 3h 8m. There is a train service every few hours from Dover to Portsmouth Harbour. 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 Dover and Portsmouth Harbour. The earliest departure is at 5:45 AM in the morning, and the last departure from Dover is at 10:48 PM which arrives into Portsmouth Harbour at 7:23 AM. All services require a transfer at London St Pancras International and take an average of 3h 34m. The schedules shown below are for the next available departures.


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Want to know about travelling from Dover to Portsmouth Harbour? 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 Dover to Portsmouth Harbour. However, there are services departing from Dover station and arriving at Portsmouth Harbour station via London St Pancras Intl. The journey, including transfers, takes approximately 3h 34m.
Dover to Portsmouth Harbour train services, operated by Southeastern, depart from Dover Priory station.
Dover to Portsmouth Harbour train services, operated by Southeastern, arrive at Portsmouth Harbour station.
Book your Dover to Portsmouth Harbour train tickets online with Southeastern, London Underground (Tube) and South Western Railway.
The distance between Dover and Portsmouth Harbour is 173.4 km. The road distance is 247 km.
You can take a train from Dover Priory to Portsmouth Harbour via London St Pancras International, Euston station, Waterloo Station, London Waterloo, and Portsmouth Harbour in around 3h 14m.