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Slough to Portsmouth train ticket prices
€57.21
On Fri 03 Apr
Slough to Portsmouth train timetable
From Slough to Portsmouth, take the fastest train in 2h 14m, typically 2h 41m. Daily, 40 trains depart from Slough, with the first at 04:03 and the last at 22:54. Check real-time updates for train times, delays, and cancellations. TrainPal saves you time, effort, and money.
| Departs | Arrives | Operator | ||
|---|---|---|---|---|
07:54 Slough | 2h 36m, 2 change | 10:30 Portsmouth & Southsea | Great Western Railway | Find tickets |
08:24 Slough | 2h 41m, 2 change | 11:05 Portsmouth & Southsea | Great Western Railway | Find tickets |
08:54 Slough | 2h 36m, 2 change | 11:30 Portsmouth & Southsea | Great Western Railway | Find tickets |
09:26 Slough | 2h 39m, 2 change | 12:05 Portsmouth & Southsea | Great Western Railway | Find tickets |
09:51 Buckinghamshire | 2h 38m, 2 change | 12:29 Portsmouth & Southsea | Elizabeth line | Find tickets |
Slough to Portsmouth train tickets and times
Plan your journey from Slough 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.
Slough to Portsmouth train travel guide
The train journey from Slough to Portsmouth combines efficiency with pleasure, featuring beautiful scenery and comfort. With frequent departures from Slough, you can get to Portsmouth in just 2h 14m, making it an ideal and convenient choice for travelling between them.

Planning and booking
How much does it cost for a train from Slough to Portsmouth?
The average ticket fare from Slough to Portsmouth is about €57.21, 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 Slough to Portsmouth by train?
What is the fastest train from Slough to Portsmouth?
The quickest train journey from Slough to Portsmouth takes 2h 14m . 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 Slough to Portsmouth?
No, unfortunately, you need to transfer from Slough to Portsmouth. 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 Slough to Portsmouth?
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 Slough to Portsmouth trains punctual, and how can I check real-time information?
Slough to Portsmouth trains are generally punctual, but delays or disruptions can happen due to weather, strikes, and other factors. With Train Journey Planner, finding a train timetable for your trip is simple. Enter your departure and arrival stations to view a detailed schedule of available trains. Provide your travel details to find 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 Slough to Portsmouth trains offer Wi-Fi and other facilities?
Yes, most trains on the route from Slough to Portsmouth 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?
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.
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?
Checking train delays and cancellations in the UK is simple. Utilise the TrainPal mobile app for real-time information. We offer live updates, including live train status and notifications of any train strikes.
Which train companies operate the Slough to Portsmouth route?
The Slough to Portsmouth route is operated by Elizabeth line. For any journey, the easiest way to find the operator is to search for your route on this page. The operator's name will appear next to each travel option in the 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
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
Bring up to 2 pets free; keep dogs on a lead or in a carrier. No animals 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 Slough to Portsmouth 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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