Timetable
Train route
Cheap train tickets
London St Pancras International to Portsmouth & Southsea Train prices and times
Planning a journey from London St Pancras International to Portsmouth & Southsea? Trip.com offers train tickets starting from as low as €15.49, with average prices for this route around €15.49. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.
| Departure | Arrival | Operator | Find Tickets |
|---|---|---|---|
03:32 London St Pancras International | 07:46 Portsmouth & Southsea |    | Find Tickets |
04:32 London St Pancras International | 07:49 Portsmouth & Southsea | | Find Tickets |
05:20 London St Pancras International | 08:16 Portsmouth & Southsea | | Find Tickets |
05:34 London St Pancras International | 08:09 Portsmouth & Southsea | | Find Tickets |
06:00 London St Pancras International | 08:51 Portsmouth & Southsea | | Find Tickets |
06:19 London St Pancras International | 08:34 Paris | | Find Tickets |
London St Pancras International to Portsmouth & Southsea Train Route Details
First train
00:54
Last train
23:52
Journey time
2h 5m
Distance
106 km
Price
€15.49*
How to book cheap train tickets from London St Pancras International to Portsmouth & Southsea
Season Tickets for frequent travel
For frequent travelers between London St Pancras International and Portsmouth & Southsea, 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
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
We recommend buying train tickets from London St Pancras International to Portsmouth & Southsea 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
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 for greater savings
Another option to consider is splitting your tickets to save more on fares. Instead of purchasing a direct ticket from London St Pancras International to Portsmouth & Southsea, 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%
Did you know that purchasing Advance Tickets can significantly reduce your travel expenses? On average, these tickets can save you an impressive 61% on fares. The best part is that the earlier you book (ideally up to 12 weeks in advance), the greater the savings!
Travel in a group to save 1/3
If you are planning a trip with a group of three to nine people, take advantage of ⅓ off standard fares with group travel discounts, offered by many train companies, perfect for journeys with your family, friends, or colleagues.
London St Pancras International to Portsmouth & Southsea 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:
Off-peak & Super Off-peak tickets
Off-Peak tickets are cheaper and more flexible, allowing for travel during less busy times. Super Off-Peak tickets are even cheaper and are perfect for less conventional schedules.
Return train tickets
This ticket includes both the outbound and return journeys, saving you the time and hassle of purchasing separate tickets. With just one ticket, you can travel smoothly along the same route.
Advance train tickets
Generally the most cost-effective option, these tickets can be purchased up to 12 weeks in advance of the travel date.
Season train tickets
Season tickets allow unlimited travel between two stations and can save you more than 1/3 on train fares.
Why Book Train Tickets With Trip.com?
Best price promise
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Split Tickets
Reduce your train fare by splitting your London St Pancras International to Portsmouth & Southsea route into individual segments.
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*Based on Trip.com ticket data from 2023, Split Tickets provided notably lower prices compared to full-price tickets.