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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 SEK 107.69, with average prices for this route around SEK 132.54. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

  • Thu, Sep 4
    From SEK 127.44
  • Fri, Sep 5
    From SEK 127.44
  • Sat, Sep 6
    From SEK 107.69
  • Sun, Sep 7
    From SEK 127.44
  • Mon, Sep 8
    From SEK 127.44
  • Tue, Sep 9
    From SEK 127.44
  • Wed, Sep 10
    From SEK 115.97
DepartureArrivalDurationOperator
Find Tickets
17:09
London Kings Cross
19:39
Portsmouth & Southsea
2h 30m, DirectSouthern
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17:22
London Kings Cross
19:29
Portsmouth & Southsea
2h 7m, DirectSouth Western Railway
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17:39
London Kings Cross
20:18
Portsmouth & Southsea
2h 39m, DirectSouthern
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17:52
London Kings Cross
20:03
Portsmouth & Southsea
2h 11m, DirectSouth Western Railway
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18:09
London Kings Cross
20:39
Portsmouth & Southsea
2h 30m, DirectSouthern
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18:22
London Kings Cross
20:30
Paris
2h 8m, DirectSouth Western Railway
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London Kings Cross to Portsmouth Train Route Details

First train
First train
00:43
Last train
Last train
23:23
Departure station
Departure station
London Kings Cross
Arrival station
Arrival station
Portsmouth
Journey time
Journey time
2h 5m
Distance
Distance
104 km
Price
Price
SEK 107.69*
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

For frequent travelers between London Kings Cross and Portsmouth, consider a Season Ticket, providing unlimited travel between specified stations for different durations, such as weekly, monthly, annual, or flexi. Alongside substantial savings, enjoy the convenience of not having to buy a ticket for each journey.
Network Railcard for South East England

Network Railcard for South East England

To save on train travel in South East England, consider getting a Network Railcard. For a £30 annual fee, this railcard offers 1/3 off most fares, including routes to and from London. Whether for standard or off-peak tickets, it's highly advantageous for frequent travelers within this region.
Traveling in off-peak train times

Traveling in off-peak train times

Taking advantage of Off-Peak train tickets is another effective way to save on your train journey from London Kings Cross to Portsmouth. These tickets are generally cheaper and can be used during quieter periods, typically outside of morning (6:30 AM–9:30 AM) and evening (4:00 PM–7:00 PM) rush hours on weekdays.
Get 1/3 off with a Railcard

Get 1/3 off with a Railcard

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards catering to different types of travelers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.
Split tickets to save an average extra 30%

Split tickets to save an average extra 30%

Splitting tickets involves buying separate, cheaper tickets for different parts of your journey on the same train instead of just one ticket for the entire trip. For instance, if you're traveling from London Kings Cross to Portsmouth, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket. This method is perfectly legal and often doesn't require leaving your seat.
Book in advance to save an average of 61%

Book in advance to save an average of 61%

Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from London Kings Cross to Portsmouth ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
Travel in a group to save 1/3

Travel in a group to save 1/3

If you are traveling in a group, be sure to check out group travel discounts. Many train companies offer a ⅓ off standard fares for groups of three to nine people, making 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?

  • Split Tickets

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  • Split Tickets

    Split Tickets

    Save an average of 30% on train fares by splitting your London Kings Cross to Portsmouth journey

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*After comparing the full year of 2023 for SplitTickets and full-price tickets on Trip.com, the average savings rate for SplitTickets is 30%.