Trains from Portsmouth to London from $9.20*

Arriving in London

Trains traveling between Portsmouth and London usually start their journey from Portsmouth & Southsea and reach London Waterloo. The duration of this trip is approximately 1h 36m.

Book cheap train tickets from Portsmouth to London

Let's save unnecessary costs when traveling from Portsmouth to London by taking trains. The best way to find cheap train tickets is through Trip.com. We offer various discounted tips that can guide you towards a more affordable journey, such as using Railcards, Season Tickets, or Split Tickets. Explore the options below for more choices.

Network Railcard for South East England

By purchasing a Network Railcard for an affordable price per year, you can unlock incredible savings of up to 33.4% on every ticket for your travels in London and the South East. With this Railcard in hand, you'll be able to enjoy reduced costs on various ticket types, including Standard or Super-Off Peak train tickets. It's a fantastic opportunity to make your journeys more affordable and convenient.

Traveling during off-peak hours

Off-Peak train tickets are generally cheaper than peak-time tickets and can be used on services that are less busy, typically outside the morning and evening rush hours. If your schedule allows flexibility, choosing off-peak hours for your trip from Portsmouth to London can result in significant cost savings. In most cities and large towns, off-peak hours usually start at 09:30 from Monday to Friday. In other areas, they typically begin at 09:00.

Split Tickets to save an average extra 30%

Splitting your tickets involves purchasing separate tickets for different segments of your journey instead of a single ticket for the entire trip. This method is legal and can often result in cheaper fares. For example, if you are travelling from A to B, you might discover that buying a ticket from A to C, and then another ticket from C to B, is more economical than purchasing a direct ticket.