Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Portsmouth and Southsea | Swanwick | CheapestFastest | ||||
 | Train | Portsmouth and Southsea | Southampton Central | No tags | ||||
| Train | Portsmouth and Southsea | Southampton Airport Parkway | No tags | ||||
| Train | Portsmouth and Southsea | Southampton Airport Parkway | No tags | ||||
| Train | Portsmouth and Southsea | Southampton Central | No tags |
Last refresh of the prices: Today at 6:38 PM GMT.
Compare 3 ways to go from Portsmouth to Southampton
Among the sustainable travel choices, the bus stands out as a good way to reach Southampton. The journey takes about 55 minutes, and with fares starting at just $11, it presents an excellent value for a comfortable ride.
Train companies
Frequently asked questions about travelling from Portsmouth to Southampton 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 Portsmouth to Southampton?
The cheapest train tickets from Portsmouth to Southampton start at $20. The average price for this train route is around $30. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.
How long is the train ride from Portsmouth to Southampton?
The average train trip from Portsmouth to Southampton takes 47m and covers 26 km. The quickest train gets you there in 30m and is operated by South Western Railway.
Which train operators serve the Portsmouth to Southampton route?
Several major train operators serve this route, with 19 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 Portsmouth to Southampton?
The earliest train from Portsmouth to Southampton departs at 7:03am. The latest train departs at 11:22pm.
What is the best train operator from Portsmouth to Southampton?
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 Portsmouth to Southampton?
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 best on-time performance from Portsmouth to Southampton?
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 Portsmouth to Southampton?
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 Portsmouth to Southampton was searched and found on Dec 6, 2025 with a price of $20To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Portsmouth to Southampton, as early as possible.
You can expect to pay from $20 to $48 for a train ticket from Portsmouth to Southampton based on the last 2 days. You can expect to find the cheapest price for the trip at $20 which is on 2025-12-06.
Top Travelled Train Routes
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