Compensation and refunds
Trainpal is here to help with all your travel needs, including changing plans, getting ticket refunds, and requesting Delay Repay.


If you find trains for a cheaper price elsewhere, let us know and we'll refund the difference*

Save more with a variety of promo codes. Book on the TrainPal app with no booking fees.

24/7 fast customer service with prompt responses to your queries

Seamless rail travel with easy changes and refunds for peace of mind.
The journey from Brentford to Portsmouth Harbour on the fastest train in 2h 8m, usually 2h 36m. Each day, 94 trains leave from Brentford, starting at 05:39 and ending at 23:57. Get real-time updates on train schedules, delays, and cancellations. Save time, effort, and money with TrainPal.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
11:54 Brentford | 2h 9m, 2 change | 14:03 Portsmouth Harbour | South Western Railway | Find tickets |
11:54 Brentford | 2h 47m, 1 change | 14:41 Portsmouth Harbour | South Western Railway | Find tickets |
11:54 Brentford | 2h 54m, 1 change | 14:48 Portsmouth Harbour | South Western Railway | Find tickets |
12:39 Brentford | 2h 24m, 1 change | 15:03 Portsmouth Harbour | South Western Railway | Find tickets |
12:39 Brentford | 2h 41m, 1 change | 15:20 Portsmouth Harbour | South Western Railway | Find tickets |
Plan your journey from Brentford to Portsmouth Harbour 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.
Taking the train from Brentford to Portsmouth Harbour is both efficient and enjoyable, offering scenic views and comfort. With frequent departures from Brentford, you can arrive at Portsmouth Harbour in just 2h 8m, making it a quick and convenient option for travelling between these two places.

The quickest train journey from Brentford to Portsmouth Harbour takes 2h 8m . 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, unfortunately, you need to transfer from Brentford to Portsmouth Harbour. Still, the TrainPal Train Journey Planner helps you find the best train. Just input your origin or destination places, then click "Search" to see the suitable route.

While Brentford to Portsmouth Harbour 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 Brentford to Portsmouth Harbour 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.
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 Brentford to Portsmouth Harbour 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.
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.

Get easy and quick access to live updates and notifications via the TrainPal app. If your phone is enabled to receive messages from us, you'll receive notifications about train cancellations on your screen as soon as you pick up your phone
Family & Friends Railcard€14.13
€21.18
Trainpal is here to help with all your travel needs, including changing plans, getting ticket refunds, and requesting Delay Repay.


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.