Trains from Clapham Junction to Portsmouth Harbour from £7.00*

We recommend buying train tickets from Clapham Junction to Portsmouth Harbour during off-peak hours. These times are usually before 06:30, between 09:30 and 16:00, and after 19:00 on weekdays, as well as all day on weekends and bank holidays. Choosing Off-Peak train tickets means benefiting from cheaper fares and less crowded trains, making your journey more enjoyable.

You can choose a Railcard to help you save up to 1/3 on fares from Clapham Junction to Portsmouth Harbour for various reasons, such as your age (including the 16-25 Railcard or Senior Railcard) or options geared towards group travel (Family & Friends Railcard and Two Together Railcard). Discover more here.

Splitting tickets is a perfectly legal practice that involves purchasing separate, cheaper tickets for different segments of your journey on the same train instead of a single ticket for the entire trip. For example, if you are travelling from Clapham Junction to Portsmouth Harbour, you might discover that buying a ticket from A to C, and then another ticket from C to B, is more economical than a direct ticket.

Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from Clapham Junction to Portsmouth Harbour ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.

If you are planning a trip with a group of three to nine people, take advantage of ⅓ off standard fares with group travel discounts, offered by many train companies, perfect for journeys with your family, friends, or colleagues.