Previously seen trips
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Southampton Central | Portsmouth and Southsea | No tags | ||||
 | Train | Southampton Central | Portsmouth and Southsea | No tags | ||||
| Train | Southampton Central | Portsmouth and Southsea | No tags | ||||
| Train | Southampton Central | Portsmouth and Southsea | No tags | ||||
| Train | Southampton Airport Parkway | Portsmouth and Southsea | No tags |
Compare 3 ways to go from Southampton to Portsmouth
Among the sustainable travel choices, the carpool stands out as the good way to reach Portsmouth. The journey takes about 30 minutes and with fares starting at just $5, it presents an excellent value for a comfortable ride.
Train Companies
Frequently asked questions about traveling from Southampton to Portsmouth by train
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the train ticket from Southampton to Portsmouth?
The cheapest train tickets from Southampton to Portsmouth start from $14. The average price for this train route is around $21. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the train journey from Southampton to Portsmouth?
The average train ride duration from Southampton to Portsmouth is 46m, covering a distance of 15 miles (23 km). The quickest train can get you there in 29m and is operated by South Western Railway.
Which train operators service the Southampton to Portsmouth route?
Several major train operators operate on this route with 22 trains available per day, including services from South Western Railway, Great Western Railway, Southern.
What is the earliest and latest departure time for the train from Southampton to Portsmouth?
The earliest train departs from Southampton to Portsmouth at 7:00am. And the latest train departs at 11:59pm.
What is the best train operator from Southampton to Portsmouth?
According to Busbud customers, the highest-rated train operator on this route is South Western Railway, with an average rating of 4.2 out of 5 stars based on 25 reviews.
Which train operator has the best Wi-Fi from Southampton to Portsmouth?
Based on reviews on Busbud, the train operator Southern has the best Wi-Fi rating with a score of 5.0.
Which train operator has the most timely service from Southampton to Portsmouth?
According to Busbud traveller reviews, the most timely train operator on this route is Southern, with a punctuality rating of 5.0 out of 5 stars.
Which train operator has the cleanest trains from Southampton to Portsmouth?
According to Busbud traveller reviews, the train operator with the cleanest trains on this route is Southern, with a cleanliness rating of 5.0 out of 5 stars.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Southampton to Portsmouth was searched and found on Dec 8, 2025 with a price of $14To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Southampton to Portsmouth, as early as possible.
You can expect to pay from $14 to $34 for a train ticket from Southampton to Portsmouth based on the last 2 days. You can expect to find the cheapest price for the trip at $14 which is on 2025-12-09.
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