Trains from Portsmouth to London from $8.79*

Arriving in London

Trains running from Portsmouth to London will typically take around at least 1h 31m and there is approximately train running everyday.

Book cheap train tickets from Portsmouth to London

Finding cheap train tickets from Portsmouth to London doesn't have to be a challenging task. With the right knowledge and by using available discounts and travel options, saving money with Trip.com can become effortless. Here are a few valuable tips to help you save money on your train travel.

Network Railcard for South East England

For only a small annual fee, you can save 1/3 on most fares in South East England, including routes in and out of London, with the Network Railcard. Covering both standard and off-peak tickets, this railcard is particularly beneficial for those who travel regularly within this region.

Split Tickets to save an average extra 30%

How can you make your journey from Portsmouth to London cheaper? One option to consider is splitting your tickets, which can save you around an extra 30% on fares. Instead of purchasing a direct ticket from A to B, you can split the route into two sections: A to C and C to B. This often turns out to be more affordable than buying a direct ticket.

Get 1/3 off with a Railcard

Various Railcards are available for different groups and can save you up to 1/3 on fares from Portsmouth to London. You can choose the 16–25 Railcard or Senior Railcard based on your age. Additionally, the Family & Friends Railcard or Two Together Railcard are good options for group travel.