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€32.46
From 26 Oct to 01 Nov
€15.02
On Sun 26 Oct
Journey from London Kings Cross to Portsmouth on the fastest train in 2h 48m, usually 3h 2m. Every day, 65 trains leave from London Kings Cross, starting at 00:43 and ending at 23:53. During Off-Peak Times from 09:30 on weekdays, enjoy a quieter and less crowded journey. Get real-time updates on train schedules, delays, and cancellations. Save time, effort, and money with us.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
22:07 London Kings Cross | 3h 3m, Direct | 01:10 Portsmouth & Southsea | South Western Railway | Find tickets |
22:22 London Kings Cross | 2h 48m, 1 change | 01:10 Portsmouth & Southsea | South Western Railway | Find tickets |
22:37 London Kings Cross | 3h 24m, 1 change | 02:01 Portsmouth & Southsea | South Western Railway | Find tickets |
22:47 London Kings Cross | 3h 30m, 1 change | 02:17 Portsmouth & Southsea | South Western Railway | Find tickets |
22:49 London Kings Cross | 3h 28m, 2 change | 02:17 Portsmouth & Southsea | South Western Railway | Find tickets |
Plan your journey from London Kings Cross to Portsmouth with ease. Explore the first and last train times, departure and arrival stations, distance, journey time, and price options to make the most of your trip.
The train journey from London Kings Cross to Portsmouth combines efficiency with pleasure, featuring beautiful scenery and comfort. With frequent departures from London Kings Cross, you can get to Portsmouth in just 2h 48m, making it an ideal and convenient choice for travelling between them.

The fastest train journey time from London Kings Cross to Portsmouth is 2h 48m . Direct trains can save significant time by avoiding transfers. Always check if a direct route is available for your journey. Moreover, when searching for trains, consider the total travel time. Some routes with fewer stops or more efficient schedules might be faster.
No, there are no direct trains from London Kings Cross to Portsmouth. However, you can still find the best train options using the TrainPal Train Journey Planner. Simply enter your departure and arrival stations to see all available train services and plan your trip

While London Kings Cross to Portsmouth trains are usually on time, delays or disruptions may occur due to weather, strikes, and other factors. Finding a train timetable for your trip from London Kings Cross to Portsmouth is easy with Train Journey Planner. Simply enter your departure and arrival stations to get a detailed schedule of available trains. Input your travel details to discover the best routes, connections, and train times.
Usually, you need to arrive at a station at least 15-20 minutes ahead of time. However, consider the station's size and your familiarity with it. If the station is large and you are not familiar with it, leaving home as early as possible is the best choice. This can reduce your stress and ensure a relaxing journey.
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Check our Train Journey Planner, which provides detailed information about transfers to ensure your journey is uninterrupted, saving you time and effort, and allowing you to get a full rest for travelling.

Use TrainPal for quick access to live updates and notifications. If your phone allows messages from us, you'll receive instant notifications about train cancellations directly on your screen.
Family & Friends Railcard€21.64
€32.46
Trainpal helps you handle travel changes, refunds, and Delay Repay requests effortlessly.


Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
* Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. This pricing does not apply to discounted Split tickets and Railcards.
* Save an average of 73% by combining Advance Ticket savings of 73% with an additional 30% through split tickets. These savings apply to Advance fares booked at least one week before travel, excluding Anytime fares purchased on the day of travel. Availability may vary by route and may not be combined with other offers.