Timetable
Train route
Cheap train tickets
London St Pancras International to Portsmouth Harbour Train prices and times
Planning a journey from London St Pancras International to Portsmouth Harbour? Trip.com offers train tickets starting from as low as €15.46, with average prices for this route around €15.46. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.
| Departure | Arrival | Operator | Find Tickets |
|---|---|---|---|
16:20 London St Pancras International | 18:44 Portsmouth Harbour |   | Find Tickets |
16:24 London St Pancras International | 18:40 Portsmouth Harbour |  | Find Tickets |
16:50 London St Pancras International | 19:22 Portsmouth Harbour | | Find Tickets |
16:54 London St Pancras International | 19:13 Portsmouth Harbour | | Find Tickets |
17:20 London St Pancras International | 19:44 Portsmouth Harbour | | Find Tickets |
17:24 London St Pancras International | 19:39 Paris | | Find Tickets |
London St Pancras International to Portsmouth Harbour Train Route Details
First train
00:54
Last train
23:52
Journey time
2 hours 9 minutes
Distance
107 km
Price
€15.46*
How to book cheap train tickets from London St Pancras International to Portsmouth Harbour
Season Tickets for frequent travel
If you frequently travel between London St Pancras International and Portsmouth Harbour, a Season Ticket allows unlimited travel between these stations and is available for various durations, such as weekly, monthly, annual, or flexi. Enjoy the convenience of not having to buy a ticket for each journey, as well as significant savings.
Network Railcard for South East England
For only a small annual fee, you can save 1/3 on most fares in South East England, including routes in and out of London, with the Network Railcard. Covering both standard and off-peak tickets, this railcard is particularly beneficial for those who travel regularly within this region.
Traveling in off-peak train times
Off-Peak train tickets are generally cheaper than peak-time tickets, allowing travel outside morning (6:30 AM–9:30 AM) and evening (4:00 PM–7:00 PM) rush hours on weekdays. If your schedule allows for flexibility, choosing off-peak times for your trip from London St Pancras International to Portsmouth Harbour can result in significant cost savings.
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%
Splitting tickets is a perfectly legal practice that involves purchasing separate, cheaper tickets for different segments of your journey on the same train instead of a single ticket for the entire trip. For example, if you are travelling from London St Pancras International to Portsmouth Harbour, you might discover that buying a ticket from A to C, and then another ticket from C to B, is more economical than a direct ticket.
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 St Pancras International to Portsmouth Harbour 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
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 Harbour 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:
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
These are valid for both the outbound and return journey from the same destination on your chosen route.
Advance train tickets
Typically the most cost-effective option for train travel. They are usually available for purchase 12 weeks before the travel date.
Season train tickets
This is a type of train ticket that allows unlimited travel within two stations for a week, a month, or a year. What’s more, it can save you more than 1/3 on train fares.
Why Book Train Tickets With Trip.com?
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Split Tickets
Save an average of 30% on train fares by splitting your London St Pancras International to Portsmouth Harbour 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%.