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Trains from London to Portsmouth

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South Western Railway
Southern

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Today23 Sep.242526272829301 Okt.2345678910111213141516171819
Each fare is the lowest adult economy ticket fare found by our customers on Trainline. Fares booked further in advance than the dates displayed may be cheaper. Prices are updated daily, subject to change and indicative of price last update. Limited availability. Discount cards and coach journeys excluded, prices exclusive of booking fee.
  1. Home
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  3. London to Portsmouth

Trains to Portsmouth from London

It takes an average of 2h 6m to travel from London to Portsmouth by train, over a distance of around 63 miles (102 km). There are normally 408 trains per day travelling from London to Portsmouth and tickets for this journey start from £8 when you book in advance.

First train

04:08

Last train

23:45

Departure stationLondon
Arrival stationPortsmouth
Journey time

From 1h 24m

Distance

63 miles (102 km)

Frequency

408 trains per day

Changes

Direct trains available

Price

From £8

Train operators

South Western Railway, Southern

Travelling by train from London to Portsmouth

Planning a sunny day out or weekend away in Portsmouth  and want to travel by train? Look no further.

The train from London to Portsmouth usually takes 2 hours and 6 minutes, but can take just 1 hour and 24 minutes on the fastest services. You can travel direct on this route with South Western Railway or Southern. You'll find comfortable seating, space for luggage and, on most services, free WiFi as standard.

Whether you're wandering around Portsmouth Historic Dockyard, or climbing Spinnaker Tower, use our Journey Planner at the top of the page to search for cheap ticket prices – we’ll show you how much you can save on your train tickets if you travel Off-Peak or use a Railcard

So what are you waiting for? Search for cheap train tickets from London to Portsmouth with us today, or keep reading for FAQs and money-saving tips.

What do people frequently ask about the train journey from London to Portsmouth?

Want to know more about your journey from London to Portsmouth? We've compiled some of the most frequently asked questions by our customers to help you plan your journey.

How do I get from London to Portsmouth?

You can travel from London to Portsmouth by train in about 2 hours and 6 minutes. With around 408 trains running each day, taking the train is easy. If you’re looking for other options, you can also catch the bus from London to Portsmouth. Find out more in our Journey Planner.

How long is the train journey from London to Portsmouth?

On average, the train journey from London to Portsmouth takes around 2 hours and 6 minutes, with 408 trains per day. The duration may vary slightly depending on the specific train and any potential delays. Use our Journey Planner to check out more information.

How much is the train from London to Portsmouth?

Train tickets from London to Portsmouth start from as little as £8, depending on the time of booking, class of service and type of train. Booking in advance often results in cheaper prices.

What is the fastest train from London to Portsmouth?

The fastest trains from London to Portsmouth can cover the distance of 63 miles (102 km) in as little as 1 hour and 24 minutes.

How do I find cheap train tickets from London to Portsmouth?

As most UK train companies increase their prices as the departure date approaches, our Trainline team of experts have put together these tips to help you find the cheapest tickets.

1. Book in advance

Train tickets from London to Portsmouth start at £8§ one way for a Standard Class ticket if you book in advance. UK train companies usually release Advance tickets up to 12 weeks ahead of time, and these can be cheaper than tickets bought on the day of travel.

2. Sign up to Ticket Alert

If you're planning a trip more than 12 weeks ahead, sign up to our Ticket Alert to get notified when Advance tickets are released for your travel date.

3. Use a Railcard

National Railcards offer a 1/3 off eligible train tickets in the UK and can be a great investment if you travel throughout the year. Buy one with us and you'll be able to store it digitally in our app, so you'll always have it on your travels.

4. Book split tickets

Our handy feature SplitSave will 'split' your train journey into multiple tickets, which can be much cheaper than buying a single ticket. Find out more about split tickets.

5. Travel Off-Peak

If you can be flexible with your travel times, Off-Peak and Super Off-Peak tickets are usually cheaper in the UK. Generally, Off-Peak times are any time at weekends and outside of Monday to Friday morning and evening rush hours.

6. Consider a Season Ticket

Best for commuters, if you catch a train on the same route more than 3 times per week, you could save money with a Season Ticket. With annual, monthly, weekly and flexi options available, find out if a Season Ticket for London to Portsmouth is right for you.

For more money-saving tips on UK and European train travel, read our cheap train tickets guide.

§Advance adult single fare. Excludes booking fee. Prices seen by Trainline customers in the last 30 days. Availability limited.
† Average savings on advance fares booked at least one week before day of travel vs Anytime fares purchased on day of travel. Subject to availability. Excludes coach.

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