Trains from London to Portsmouth

London to Portsmouth train information

The trains between London (London England) to Portsmouth (South East England) are operated by Southern. The services on board may change depending on the train operator.

There are 65 miles between both cities and the average train duration connecting London to Portsmouth is normally 1h55m. Travelling by train is normally the quickest solution to go to Portsmouth from London, and it's also more environmentally friendly than taking your car or using the plane.

According to our data, the starting price to take the train in the next 180 days is £12.91. This fare is based on an adult fare and is not including the savings you can make with a discount card.

Best prices for London to Portsmouth train tickets

London - Portsmouth prices calendar

Find the cheapest tickets to travel from London to Portsmouth by train, bus, ride sharing and plane.

London - Portsmouth: the best time to book cheap trains

Price of the ticket when booking in advance or at the last minute

The Prices for train tickets London to Portsmouth tend to increase the closer you get to your departure day. Based on our data, if you purchase your ticket 1 month in advance, the price of the ticket starts at £9 whereas when booking on the day you're travelling, you will need to spend at least £18 for your trip. Thus, you will save 51% on the price of your ticket by buying your ticket 1 month in advance as opposed to on the day you're travelling.

The data are based on the best fares found over the past 6 months when buying in advance versus at the last minute.

Best prices for London to Portsmouth trains

We compare train ticket for all major companies to travel between London and Portsmouth by train and find the best prices for the coming days. Take a look at the prices of train tickets Portsmouth to London and find the best deal for your outbound journey.

Discount London - Portsmouth train tickets

The best way to spend less on your London Portsmouth train ticket must be to have a railcard. While regional railcards exist in some areas, National railcards enable you to make savings on most rail fares across the United Kingdom. Everyone is eligible to at least one of the railcard, even non-UK citizens. National railcards available: 16-25 railcard, Senior discount card, Two together railcard, Family and Friends discount card and Disabled persons railcard.

What are the benefits of a railcard?

If you want to understand how much you can save with a railcard, you have to assess the number of journeys you need to save money. You will see that most of the time, only a few trips are needed.

For your evaluation, you need to include the cost of your railcard, i.e £30, how much you're saving on each journey (i.e.: 34%) as well as the cost of your ticket. The average fare of a London Portsmouth ticket is £36.85 (1).

Divide the cost of your railcard by the discount: £30/34%= £88. Then divide £88 by £36.85: £88/£36.85 = 2.39. You will need to make approximately 3 trips from Portsmouth to London (one way trip) with your railcard to be profitable.

How much do I need to pay for a railcard?

Railcards enable you to get a third off most train fares for a year. The Disabled persons railcard costs £20 and the 5 other railcards £30.

⁽¹⁾Average prices observed over the last 6 months for one way journey