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From Brighton to Portsmouth, take the fastest train in 1 hour 21 minutes, typically 1 hour 25 minutes. Daily, 52 trains depart from Brighton, with the first at 05:00 and the last at 23:10. Check real-time updates for train times, delays, and cancellations. TrainPal saves you time, effort, and money.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
05:00 Brighton | 1 hour 36 minutes, Direct | 06:36 Portsmouth & Southsea | Southern | Find tickets |
05:14 Brighton | 1 hour 57 minutes, 1 change | 07:11 Portsmouth & Southsea | Southern | Find tickets |
05:36 Brighton | 1 hour 37 minutes, 1 change | 07:13 Portsmouth & Southsea | Southern | Find tickets |
06:13 Brighton | 1 hour 30 minutes, 1 change | 07:43 Portsmouth & Southsea | Southern | Find tickets |
06:28 Brighton | 1 hour 22 minutes, Direct | 07:50 Portsmouth & Southsea | Southern | Find tickets |
The train journey from Brighton to Portsmouth combines efficiency with pleasure, featuring beautiful scenery and comfort. With frequent departures from Brighton, you can get to Portsmouth in just 1 hour 21 minutes, making it an ideal and convenient choice for travelling between them.

The quickest train journey from Brighton to Portsmouth takes 1 hour 21 minutes . Utilise our Train Journey Planner to locate direct trains, minimise transfers, and compare travel times across various routes. Discover the most efficient way to travel with fewer stops for a smooth and seamless journey.
No, there are no direct trains from Brighton 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

Brighton to Portsmouth trains are generally punctual, but delays or cancellations can occur due to weather, strikes, and other factors. After purchasing a ticket, use TrainPal to track live train updates. Before buying a ticket, our Train Journey Planner provides all necessary booking information. Simply enter your departure and arrival stations, click 'Search,' and view routes labelled 'Cheapest' or 'Fastest,' with all details displayed.
Typically, you should plan to arrive at the station 15-20 minutes before your train is scheduled to depart. However, the size of the station and your familiarity with it can affect this timing. For larger or less familiar stations, leaving home earlier can help reduce stress and ensure a more relaxed journey.
Yes, most trains on the Brighton to Portsmouth route offer amenities like Wi-Fi, food services, and various seating options. Additional facilities may include power sockets, accessibility features, and luggage storage. Check the specific amenities offered by the train operator when booking, as these can vary.
Transferring between train stations in the UK can be effortless with some planning. If your travel requires a transfer, review your ticket and journey details for specific transfer instructions. Major stations typically feature clear signage and helpful staff. Additionally, TrainPal Train Journey Planner offers comprehensive transfer details.

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.
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Trainpal makes travel easy by helping with changes, refunds, and Delay Repay requests.


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.
* By combining Advance Ticket offers with split tickets, you’ll get lower fares when you book at least one week before travel (excluding Anytime fares bought on the day of travel). Availability depends on the specific route and cannot be combined with other promotions.