Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Swanwick | Portsmouth and Southsea | Cheapest | ||||
| Train | Swanwick | Portsmouth and Southsea | Fastest | ||||
| Train | Southampton Central | Portsmouth and Southsea | No tags | ||||
 | Train | Southampton Central | Portsmouth and Southsea | No tags | ||||
 | Train | Southampton Central | Portsmouth and Southsea | No tags |
Last refresh of the prices: Today at 09:02 GMT.
Compare 3 ways to travel from Southampton to Portsmouth
Among the sustainable travel choices, the carpool stands out as a good way to reach Portsmouth. The journey takes about 30 minutes and with fares starting at just £4, it presents an excellent value for a comfortable ride.
Train Companies
Frequently asked questions about travelling from Southampton to Portsmouth by train
Please note that timetables, routes, or operator details shown here may be updated or vary at the time of your journey.
How much does a train ticket cost from Southampton to Portsmouth?
The cheapest train tickets from Southampton to Portsmouth start from £11. The average price for this train route is around £16. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the train journey from Southampton to Portsmouth?
The average train journey time from Southampton to Portsmouth is 46m, covering a distance of 15 miles. The fastest train gets you there in 29m and is operated by South Western Railway.
Which train operators serve the Southampton to Portsmouth route?
Several major train operators run on this route with 20 trains available per day, including services from South Western Railway, Great Western Railway, Southern.
What are the earliest and latest departure times for the train from Southampton to Portsmouth?
The earliest train from Southampton to Portsmouth departs at 07:00. And the latest train departs at 23:59.
Which 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?
According to reviews on Busbud, the train operator Southern has the highest Wi-Fi rating with a score of 5.0.
Which train operator has the most punctual service from Southampton to Portsmouth?
According to Busbud traveller reviews, the most punctual 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 28 Nov 2025 with a price of £11To 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 £11 to £26 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 £11, which is on 2025-11-28.
Top Travelled Train Routes
People from around the world trust Busbud
Popular train departures from Southampton
- Find train tickets from Southampton to Bournemouth
- Southampton to Bristol train times and fares
- How to travel from Southampton to Gatwick
- Find train tickets from Southampton to Oxford
- Southampton to London train times and fares
- How to travel from Southampton to Birmingham
- Find train tickets from Southampton to Manchester