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.

Train Southampton to Portsmouth from £11

Next train departures

Next departures from Southampton to Portsmouth on 30 November
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	16:03	Swanwick	31m	16:34	Portsmouth and Southsea	Cheapest
Train	16:03	Swanwick	31m	16:34	Portsmouth and Southsea	Fastest
Train	16:06	Southampton Central	41m	16:47	Portsmouth and Southsea	No tags
Train	16:10	Southampton Airport Parkway	1h 3m	17:13	Portsmouth and Southsea	No tags
Train	16:10	Southampton Airport Parkway	1h 3m	17:13	Portsmouth and Southsea	No tags

Next departures from Southampton to Portsmouth on 1 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:50	Swanwick	29m	08:19	Portsmouth and Southsea	CheapestFastest
Train	07:23	Southampton Central	56m	08:19	Portsmouth and Southsea	No tags
Train	07:42	Southampton Central	40m	08:22	Portsmouth and Southsea	No tags
Train	07:50	Southampton Central	1h 1m	08:51	Portsmouth and Southsea	No tags
Train	07:23	Southampton Central	56m	08:19	Portsmouth and Southsea	No tags

Next departures from Southampton to Portsmouth on 2 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:50	Swanwick	29m	08:19	Portsmouth and Southsea	Cheapest
Train	07:50	Swanwick	29m	08:19	Portsmouth and Southsea	Fastest
Train	07:23	Southampton Central	56m	08:19	Portsmouth and Southsea	No tags
Train	07:42	Southampton Central	40m	08:22	Portsmouth and Southsea	No tags
Train	07:50	Southampton Central	1h 1m	08:51	Portsmouth and Southsea	No tags

Next departures from Southampton to Portsmouth on 3 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:50	Swanwick	29m	08:19	Portsmouth and Southsea	CheapestFastest
Train	07:23	Southampton Central	56m	08:19	Portsmouth and Southsea	No tags
Train	07:42	Southampton Central	40m	08:22	Portsmouth and Southsea	No tags
Train	07:50	Southampton Central	1h 1m	08:51	Portsmouth and Southsea	No tags
Train	07:23	Southampton Central	56m	08:19	Portsmouth and Southsea	No tags

Next departures from Southampton to Portsmouth on 4 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:50	Swanwick	29m	08:19	Portsmouth and Southsea	CheapestFastest
Train	07:23	Southampton Central	56m	08:19	Portsmouth and Southsea	No tags
Train	07:42	Southampton Central	40m	08:22	Portsmouth and Southsea	No tags
Train	07:50	Southampton Central	1h 1m	08:51	Portsmouth and Southsea	No tags
Train	07:23	Southampton Central	56m	08:19	Portsmouth and Southsea	No tags

Next departures from Southampton to Portsmouth on 5 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:50	Swanwick	29m	08:19	Portsmouth and Southsea	CheapestFastest
Train	07:23	Southampton Central	56m	08:19	Portsmouth and Southsea	No tags
Train	07:42	Southampton Central	40m	08:22	Portsmouth and Southsea	No tags
Train	07:50	Southampton Central	1h 1m	08:51	Portsmouth and Southsea	No tags
Train	07:23	Southampton Central	56m	08:19	Portsmouth and Southsea	No tags

Next departures from Southampton to Portsmouth on 7 December
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	07:30	Swanwick	53m	08:23	Portsmouth and Southsea	CheapestFastest
Train	07:00	Southampton Airport Parkway	2h 5m	09:05	Portsmouth and Southsea	No tags
Train	15:20	Southampton Central	1h 9m	16:29	Portsmouth and Southsea	No tags
Train	07:00	Southampton Airport Parkway	2h 5m	09:05	Portsmouth and Southsea	No tags
Train	15:20	Southampton Central	1h 9m	16:29	Portsmouth and Southsea	No tags

Last refresh of the prices: Today at 10:22 GMT.

Compare 3 ways to travel from Southampton to Portsmouth

We recommend carpooling

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.

1carpool per day

30mAverage duration

16 milesDistance

1kgCO₂ emissions

	Average price	Average duration	CO₂ emissions
Bus	Average price£6 - £7	Average duration55m	CO₂ emissions 1kg CO₂e
Train	Average price£11 - £28	Average duration46m	CO₂ emissions 1kg CO₂e
Carpool	Average price£4 - £4	Average duration30m	CO₂ emissions 1kg CO₂e

Train Companies

South Western Railway

4/525 reviews

Staff4.5

Timeliness4.1

Cleanliness4.5

WiFi3.4

Great Western Railway

4/542 reviews

Staff5

Timeliness4.7

Cleanliness4.7

WiFi4

Southern

4/534 reviews

Staff5

Timeliness5

Cleanliness5

WiFi5

GB train companies: Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

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.

Best price found

28/11

£14

29/11

£16

Today

£11

01/12

£11

02/12

£11

03/12

£11

04/12

£11

05/12

£11

The cheapest trip from Southampton to Portsmouth was searched and found on 3 Dec 2025 with a price of £11

To 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 2025-12-03.