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Find the best prices from London Kings Cross to Portsmouth

Here are this week's cheapest tickets from London Kings Cross to Portsmouth, along with train details. Our users discover these prices, which are updated daily. Given the frequent price changes, please refer to the latest update.

Find cheapest train
This train is sold out. View full timetable and prices.
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6,540 BHD
Fri28Nov
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This train is sold out. View full timetable and prices.
Go
6,540 BHD
Sat29Nov
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This train is sold out. View full timetable and prices.
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4,220 BHD
Sun30Nov
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This train is sold out. View full timetable and prices.
Go
6,540 BHD
Mon1Dec
Find cheapest train
This train is sold out. View full timetable and prices.
Go
6,540 BHD
Tue2Dec
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This train is sold out. View full timetable and prices.
Go
6,540 BHD
Wed3Dec
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This train is sold out. View full timetable and prices.
Go
6,540 BHD
Thu4Dec
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Prices may change due to real-time fluctuations. Please refer to the latest price.

London Kings Cross to Portsmouth Train prices and times

Planning a journey from London Kings Cross to Portsmouth? Trip.com offers train tickets starting from as low as 4,220 BHD, with average prices for this route around 6,800 BHD. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

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DepartureArrivalOperator
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14:22
2 tuntia 12 minuuttia, Direct
London Kings Cross
16:34
Portsmouth & Southsea
South Western Railway
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14:31
2 tuntia 41 minuuttia, Direct
London Kings Cross
17:12
Portsmouth & Southsea
South Western Railway
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14:52
2 tuntia 24 minuuttia, Direct
London Kings Cross
17:16
Portsmouth & Southsea
South Western Railway
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15:09
2 tuntia 30 minuuttia, Direct
London Kings Cross
17:39
Portsmouth & Southsea
Southern
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15:12
2 tuntia 22 minuuttia, Changes required
London Kings Cross
17:34
Portsmouth & Southsea
SouthernSouth Western Railway
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15:22
2 tuntia 12 minuuttia, Direct
London Kings Cross
17:34
Paris
South Western Railway
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London Kings Cross to Portsmouth Train Route Details

First train
First train
00:43
Last train
Last train
23:59
Departure station
Departure station
London Kings Cross
Arrival station
Arrival station
Portsmouth
Journey time
Journey time
2 tuntia 7 minuuttia
Distance
Distance
104 km
Price
Price
4,220 BHD*
Train operators
Train operators
Thameslink, Southern, South Western Railway

How to book cheap train tickets from London Kings Cross to Portsmouth

Season Tickets for frequent travel

Season Tickets for frequent travel

Are you frequently traveling between London Kings Cross and Portsmouth on a weekly, monthly, or annual basis? Season Tickets provide unlimited travel during specific times, allowing you to freely hop on and off trains between two stations without worrying about individual ticket bookings, and offering significant savings in the process.
Network Railcard for South East England

Network Railcard for South East England

By purchasing a Network Railcard for only £30 per year, unlock incredible savings of up to 1/3 on every ticket for your travels within London and the South East. With this Railcard in hand, you can enjoy reduced costs on various ticket types, including Standard or Super Off-Peak Tickets.
Traveling in off-peak train times

Traveling in off-peak train times

We recommend buying train tickets from London Kings Cross to Portsmouth during off-peak hours. These times are usually before 06:30, between 09:30 and 16:00, and after 19:00 on weekdays, as well as all day on weekends and bank holidays. Choosing Off-Peak train tickets means benefiting from cheaper fares and less crowded trains, making your journey more enjoyable.
Get 1/3 off with a Railcard

Get 1/3 off with a Railcard

You can choose a Railcard to help you save up to 1/3 on fares from London Kings Cross to Portsmouth for various reasons, such as your age (including the 16–25 Railcard or Senior Railcard) or options geared towards group travel (Family & Friends Railcard and Two Together Railcard). Discover more here.
Split Tickets for greater savings

Split Tickets for greater savings

Another option to consider is splitting your tickets to save more on fares. Instead of purchasing a direct ticket from London Kings Cross to Portsmouth, you can split the route into two legs: A to C and C to B. This is often cheaper than purchasing a direct ticket, and you usually won’t need to change trains or seats.
Book in advance to save an average of 61%

Book in advance to save an average of 61%

Advance Tickets are typically released up to 12 weeks before the travel date and can offer significant savings compared to tickets purchased closer to departure. By planning your trip from London Kings Cross to Portsmouth ahead of time and booking your tickets early, you can potentially save up to 61% on your travel expenses.
Travel in a group to save 1/3

Travel in a group to save 1/3

If you are traveling in a group of three to nine people, take advantage of group travel discounts, offered by most train companies, for a discount of up to 1/3 on standard fares. This can make traveling from London Kings Cross to Portsmouth more affordable for families, friends, or colleagues planning a trip together.

London Kings Cross to Portsmouth train ticket types

There are various ticket types available for this route, each with different benefits and restrictions. Explore below to see which ticket type is best suited to your travel needs:

Why Book Train Tickets With Trip.com?

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*Based on Trip.com ticket data from 2023, Split Tickets provided notably lower prices compared to full-price tickets.