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Brentford to Portsmouth Harbour train timetable
Travelling from Brentford to Portsmouth Harbour, the fastest train takes 2h 7m with an average travel time of 2h 37m. 93 trains are running daily, with the first departing at 05:39 and the last at 23:57. Stay updated with live train status, times, delays, and cancellations on TrainPal.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
08:08 Brentford | 2h 33m, 1 change | 10:41 Portsmouth Harbour | South Western Railway | Find tickets |
08:08 Brentford | 2h 40m, 1 change | 10:48 Portsmouth Harbour | South Western Railway | Find tickets |
08:08 Brentford | 2h 40m, 2 change | 10:48 Portsmouth Harbour | South Western Railway | Find tickets |
08:37 Brentford | 2h 25m, 1 change | 11:02 Portsmouth Harbour | South Western Railway | Find tickets |
08:37 Brentford | 2h 43m, 1 change | 11:20 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
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 7m, making it a quick and convenient option for travelling between these two places.

Planning and booking
How much does it cost for a train from Brentford to Portsmouth Harbour?
The average ticket fare from Brentford to Portsmouth Harbour is about €12.17, but prices are dynamic. The final cost depends on when you book, when you travel, and ticket flexibility. To find the exact cost for your journey, please search with your travel 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 quickest train journey from Brentford to Portsmouth Harbour takes 2h 7m . 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.
Are there direct trains from Brentford to Portsmouth Harbour?
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.
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?
To get the best price on UK train tickets, it is essential to book as early as you can. Train operators generally release their cheapest Advance tickets up to 12 weeks ahead of the travel date, making early booking the most effective way to secure a lower fare.

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?
It’s recommended to reach the train station 15-20 minutes before your train is set to leave. This gives you sufficient time to locate your platform, particularly in larger stations. Arriving early is also beneficial if you need to collect tickets or find your way around an unfamiliar station, helping to minimise any potential stress.
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?
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.
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?
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
Which train companies operate the Brentford to Portsmouth Harbour route?
The train from Brentford to Portsmouth Harbour is operated by Southern. To see which operator runs a specific service, the easiest way to identify it is to use the search bar on this page. The name of the train company will be clearly displayed next to each journey option in the search results.
Essential onboard rules and facilities
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Luggage
You can bring up to three pieces of luggage for free, including satchels, backpacks, suitcases, and similar items.
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Bicycle
A free reservation is required for bikes on most journeys due to limited space. While standard bicycles and folding bikes are widely permitted, some operators have provisions for e-bikes and tandems. Please note that e-scooters, motorcycles, tricycles, and bike trailers are not allowed. As policies vary, it is essential to consult your specific train operator's website for their definitive cycle rules before you travel.
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Children
Children under 5 typically travel for free. A 50% discount applies to children aged 5 to 15. Additionally, those aged 16 and 17 are eligible for a 50% discount with a 16-17 Saver Railcard.
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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
All operators offer assistance services for passengers with disabilities or additional needs. This should be booked in advance to guarantee 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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