Trains from Portsmouth to London

Portsmouth to London train information

• The journey from Portsmouth, situated in England and London, which is in England is well served by trains. The trains are operated by the following rail companies: Southern.
• There are 65 miles between the 2 cities and the average journey time from Portsmouth to London is approximately 1h53m. Taking the train is often the quickest option to get to London from Portsmouth, and it's also more environmentally friendly than driving your car or flying.
• According to our data, the starting fare to take the train in the next month is £7.01. This price is based on an adult ticket and does not include the money you can save with a railcard.

Best prices for Portsmouth to London train tickets

Portsmouth - London prices calendar

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

Portsmouth - London: 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 Portsmouth to London are increasing if you don't book early. According to our data, if you buy your train 1 month in advance, you can find tickets from £7 whereas when purchasing your seat on the day you're travelling, you will need to spend at least £15 for your train. Thus, you may save 55% on the price of your ticket by booking 1 month in advance instead of on the day you're travelling.

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

Best prices for Portsmouth to London trains

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

Discount Portsmouth - London train tickets

The easiest way to pay less on your Portsmouth London train ticket is probably to buy a railcard. While regional railcards are available in some areas, National railcards enable you to spend less on most rail fares across the UK. Everyone is eligible to at least a certain railcard, even non-UK residents. National railcards available: 16-25 discount card, Senior railcard, Two together discount card, Family and Friends railcard and Disabled persons discount card.

The main benefit of getting a railcard is that it only takes a couple of trips to earn as much money as you spent.

You will need to pay at least £88 of train tickets across the whole year for the card to break-even. This number corresponds to the cost of the railcard, £30, divided by the discount, 34%. On every ticket that you book afterwards, you will make savings.

As an example, train tickets from Portsmouth to London cost on average £15.29 (1). By dividing £88 by £15.29 (£88/£15.29 = 5.76), it appears that after only 6 one way journeys from London to Portsmouth, the railcard will have paid for itself.

Railcards enable you to get a third off most adult 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