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Brentford to Portsmouth Harbour train timetable
From Brentford to Portsmouth Harbour, take the fastest train in 2h 7m, typically 2h 37m. Daily, 92 trains depart from Brentford, with the first at 05:39 and the last at 23:57. Check real-time updates for train times, delays, and cancellations. TrainPal saves you time, effort, and money.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
06:39 Brentford | 2h 29m, 1 change | 09:08 Portsmouth Harbour | South Western Railway | Find tickets |
06:53 Brentford | 2h 15m, 2 change | 09:08 Portsmouth Harbour | South Western Railway | Find tickets |
07:08 Brentford | 2h 28m, 1 change | 09:36 Portsmouth Harbour | South Western Railway | Find tickets |
07:08 Brentford | 2h 36m, 1 change | 09:44 Portsmouth Harbour | South Western Railway | Find tickets |
07:23 Brentford | 2h 13m, 2 change | 09:36 Portsmouth Harbour | South Western Railway | Find tickets |
Brentford to Portsmouth Harbour train tickets and times
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.
Brentford to Portsmouth Harbour train travel guide
The train journey from Brentford to Portsmouth Harbour combines efficiency with pleasure, featuring beautiful scenery and comfort. With frequent departures from Brentford, you can get to Portsmouth Harbour in just 2h 7m, making it an ideal and convenient choice for travelling between them.

Planning and booking
How much does it cost for a train from Brentford to Portsmouth Harbour?
The average fare from Brentford to Portsmouth Harbour is approximately €12.25, but the final price fluctuates. The actual cost depends on your travel dates, how far in advance you book, and your ticket's flexibility. To see the current price for your journey, please search with your specific dates.
What is the best way to travel from Brentford to Portsmouth Harbour by train?
What is the fastest train from Brentford to Portsmouth Harbour?
The fastest train journey time from Brentford to Portsmouth Harbour is 2h 7m . Use our Train Journey Planner to find direct trains, avoid transfers, and compare travel times for each route to see if there are fewer stops to make your journey seamless.
Are there direct trains from Brentford to Portsmouth Harbour?
No, there are no direct trains from Brentford to Portsmouth Harbour. 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
Is it worth taking a train from Brentford to Portsmouth Harbour?
Yes, the train is a highly practical choice. Compared to driving, it is more eco-friendly and avoids the stress of traffic and parking. Compared to coaches, it offers more comfort, space, and scheduling flexibility. Furthermore, its ability to drop you off in the heart of the city makes it an exceptionally convenient option for most journeys.
How far in advance can I book my train ticket?
Typically, you can book UK train tickets up to 12 weeks ahead of your travel date. This is when the cheapest Advance tickets are usually released by train operators. To secure the best price, we strongly recommend booking as early as possible.

Check timetables and during the journey
Are Brentford to Portsmouth Harbour trains punctual, and how can I check real-time information?
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.
How early should I arrive for a train in the UK?
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.
Do Brentford to Portsmouth Harbour trains offer Wi-Fi and other facilities?
Yes, most trains on the route from Brentford to Portsmouth Harbour are equipped with Wi-Fi. Passengers can also enjoy complimentary food, drinks, and power sockets for a more comfortable journey. Please note that the availability of these services can vary depending on the train company
How do I transfer between train stations in the UK?
Make use of our Train Journey Planner for detailed transfer information, ensuring your journey is smooth and efficient, saving you valuable time and effort, and allowing you to rest completely for your travels.
What is the difference between Standard and First Class?
First Class offers an updated experience with more comfort and amenities, such as complimentary food and drinks. The exact services offered depend on the specific train operator.

Other things you might be interested
Are there discounts for students or seniors on UK train tickets?
Can UK train tickets be refunded or changed?
How do I check train delays and cancellations in the UK?
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.
Which train companies operate the Brentford to Portsmouth Harbour route?
The route from Brentford to Portsmouth Harbour is operated by Southern. To find the operator for any other journey, perform a search for your route on this page; the operator's name will be listed with each travel option.
Essential onboard rules and facilities
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Luggage
Each passenger is permitted to bring up to 3 pieces of luggage at no extra cost. This can include a combination of items such as suitcases, backpacks, and satchels.
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Bicycle
Bike reservations are mandatory and free for most train journeys, but space is limited. Standard bicycles and folding bikes are generally allowed. Some operators also permit tandems and e-bikes. Please note that e-scooters, motorcycles, tricycles, and bicycle trailers are not permitted. We strongly recommend checking the specific cycle policy on your train operator's website before you travel.
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Children
Discounts are available for young travellers based on age: Travellers under 5 usually travel free, children aged 5–15 get a 50% discount, and 16 to 17-year-olds can use a 16-17 Saver Railcard to get 50% off.
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Pets
You are welcome to bring up to 2 pets with you at no extra cost. Dogs must be kept on a lead and other animals in a suitable carrier. Please note that for the comfort of all passengers, pets are not allowed on seats or in restaurant carriages.
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Passenger assistance
For passengers with disabilities or additional needs, all train operators provide dedicated assistance. It is essential to book this service in advance to guarantee its availability.
How to buy cheap Brentford to Portsmouth Harbour train tickets

Cheaper train tickets for less busy times. Combine with Advance fares for the best deals.
Compensation and refunds

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* 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.





















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