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London Kings Cross to Portsmouth Train prices and times

Use Trip.com to buy tickets from London Kings Cross to Portsmouth, starting from €9.71 and averaging €11.95. The entire journey takes no more than 2 hours 5 minutes. If you want to get a greater discounts, consider purchasing split tickets. Additionally, buying in advance is also good choice.

  • الثلاثاء, 2 سبتمبر
    From €11.49
  • الأربعاء, 3 سبتمبر
    From €11.49
  • الخميس, 4 سبتمبر
    From €11.49
  • الجمعة, 5 سبتمبر
    From €11.49
  • السبت, 6 سبتمبر
    From €9.71
  • الأحد, 7 سبتمبر
    From €11.49
  • الاثنين, 8 سبتمبر
    From €11.49
DepartureArrivalDurationOperator
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14:52
London Kings Cross
17:16
Portsmouth & Southsea
2 hours 24 minutes, DirectSouth Western Railway
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15:07
London Kings Cross
17:44
Portsmouth & Southsea
2 hours 37 minutes, DirectSouth Western Railway
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15:09
London Kings Cross
17:39
Portsmouth & Southsea
2 hours 30 minutes, DirectSouthern
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15:12
London Kings Cross
17:30
Portsmouth & Southsea
2 hours 18 minutes, Changes requiredSouthernSouth Western Railway
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15:22
London Kings Cross
17:30
Portsmouth & Southsea
2 hours 8 minutes, DirectSouth Western Railway
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15:39
London Kings Cross
18:16
Paris
2 hours 37 minutes, DirectSouthern
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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
2 hours 5 minutes
Distance
Distance
104 km
Price
Price
€9.71*
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

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%

Another option to consider is splitting your tickets, which can save you around an extra 30% 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 often turns out to be more affordable than buying a direct ticket, and you won't even need to leave the train… or often your seat!
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, 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

Here are different ticket types available for this route, each with their own benefits and restrictions. Here are the options to consider:

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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Recommendations

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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%.