The average train between Chatham and Portsmouth takes 3h 21m and the fastest train takes 3h 1m. There is an hourly train service from Chatham 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 Chatham and Portsmouth. The earliest departure is at 5:04 AM in the morning, and the last departure from Chatham is at 11:24 PM which arrives into Portsmouth at 8:15 AM. All services require a transfer at Farringdon and take an average of 3h 21m. The schedules shown below are for the next available departures.

3h 3m • 1 change

3h 12m • 1 change

3h 3m • 1 change

3h 8m • 1 change

3h 4m • 1 change

3h 6m • 1 change

3h 10m • 1 change

3h 1m • 1 change

3h 32m • 1 change

3h 14m • 1 change

3h 3m • 1 change

3h 13m • 1 change
Want to know about travelling from Chatham 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 Chatham to Portsmouth. However, there are services departing from Chatham station and arriving at Portsmouth station via Farringdon. The journey, including transfers, takes approximately 3h 21m.
Chatham to Portsmouth train services, operated by Southeastern, depart from Chatham station.
Chatham to Portsmouth train services, operated by Southeastern, arrive at Portsmouth & Southsea station.
Book your Chatham to Portsmouth train tickets online with Southeastern and Southern.
The distance between Chatham and Portsmouth is 130.2 km. The road distance is 174 km.
You can take a train from Chatham to Portsmouth & Southsea via Farringdon, Farringdon Station, Waterloo Station / Waterloo Road, and London Waterloo in around 3h 25m.