How much does a train ticket from Southampton to Portsmouth cost?

The average train ticket price from Southampton to Portsmouth is $21. The best way to find train tickets from Southampton to Portsmouth is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

How long is the train trip from Southampton to Portsmouth?

A train trip between Southampton and Portsmouth is around 46m, although the fastest train will take about 29m. This is the time it takes to travel the 16 miles that separates the two cities.

How many daily trains are there between Southampton and Portsmouth?

The number of trains from Southampton to Portsmouth can differ depending on the day of the week. On average, there are 20. Some trains are direct while others have layovers. Simplify your train trip from Southampton to Portsmouth by comparing and selecting the train that fits your travel style and budget on Busbud.

Which train companies travel from Southampton to Portsmouth?

When taking the train from Southampton to Portsmouth, you can travel comfortably and safely with South Western Railway, Great Western Railway, Southern.

Train Southampton to Portsmouth from $14

Next departures

Next departures for Southampton to Portsmouth on November 1
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
7:57am	Swanwick	30m	8:27am	Portsmouth and Southsea	CheapestFastest
7:06am	Southampton Central	40m	7:46am	Portsmouth and Southsea	No tags
7:28am	Southampton Central	59m	8:27am	Portsmouth and Southsea	No tags
7:28am	Southampton Central	59m	8:27am	Portsmouth and Southsea	No tags
8:02am	Southampton Central	42m	8:44am	Portsmouth and Southsea	No tags

Next departures for Southampton to Portsmouth on November 3
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
7:23am	Southampton Central	56m	8:19am	Portsmouth and Southsea	Cheapest
7:42am	Southampton Central	40m	8:22am	Portsmouth and Southsea	Fastest
7:23am	Southampton Central	56m	8:19am	Portsmouth and Southsea	No tags
7:50am	Southampton Central	1h 1m	8:51am	Portsmouth and Southsea	No tags
3:05pm	Southampton Central	45m	3:50pm	Portsmouth and Southsea	No tags

Next departures for Southampton to Portsmouth on November 5
Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
7:50am	Swanwick	29m	8:19am	Portsmouth and Southsea	Cheapest
7:50am	Swanwick	29m	8:19am	Portsmouth and Southsea	Fastest
7:23am	Southampton Central	56m	8:19am	Portsmouth and Southsea	No tags
7:42am	Southampton Central	40m	8:22am	Portsmouth and Southsea	No tags
7:50am	Southampton Central	1h 1m	8:51am	Portsmouth and Southsea	No tags

Last refresh of the prices: Today at 9:25 PM GMT.

Compare 3 ways to go from Southampton to Portsmouth

We recommend carpooling

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 $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$8 - $10	Average Duration55m	CO₂ emissions 1kg CO₂e
Train	Average Price$15 - $36	Average Duration46m	CO₂ emissions 1kg CO₂e
Carpool	Average Price$4 - $4	Average Duration30m	CO₂ emissions 1kg CO₂e

Train Southampton to Portsmouth: Trip Overview

Please note, this information is subject to change.

Average ticket price$21

Average train trip duration46m

Number of daily trains20

Earliest train departure7:03am

Distance17 miles (26 km)

Latest train departure11:58pm

Train Companies

South Western Railway

4/524 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

Train and bus companies in GB:RegioJet, FlixTrain, CrossCountry, Great Western Railway, Northern, NS Nederlandse Spoorwegen, Transpennine Express

Southampton to Portsmouth Train

Busbud helps you find a train from Southampton to Portsmouth. Get the best fare and schedule, book a round trip ticket or find trains with WiFi and electrical outlets.

We make sure you can find a train service from Southampton to Portsmouth from the most reliable train companies operating this trip.

Whether it is train tickets or first class train tickets going to Portsmouth from Southampton, we help you find what you're looking for based on how much of a budget you have.

Frequently asked questions for your trip Southampton - Portsmouth

How much does a train ticket from Southampton to Portsmouth cost?
How long is the train trip from Southampton to Portsmouth?
How many daily trains are there between Southampton and Portsmouth?
Which train companies travel from Southampton to Portsmouth?

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

10/29

$20

10/30

$14

Today

$19

11/01

$14

11/02

$14

11/03

$20

11/04

$14

11/05

$14

The cheapest trip from Southampton to Portsmouth was searched and found on Nov 1, 2025 with a price of $14

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 $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 2025-11-01.

About Train Travel

Train Travel Tips

There are many train stations in the world, check it station pages on Busbud to get all information you need.

Regional train? High-speed train? Whichever train to Portsmouth you take, you’ll help reduce the environmental impact and carbon footprint of your trip. As you watch the landscapes unfold before your eyes, you can tell yourself that with this choice, you are making sure they remain protected.

By choosing the train between Southampton and Portsmouth, you emit up to 30 times less CO2 than for the same journey made by plane or car!

Tune out to the fine sounds of your best music playlist on your train trip from Southampton to Portsmouth while indulging in miles on end of beautiful scenic views.

Did you know?

The magnetic levitation train (Maglev for short) is currently the fastest train in the world. With a speed of 603 km/ h, it is closely followed by the French high-speed train (574.8 km / h) which remains in 2020, the fastest train to date

One of the deepest train stations in the world is in Kiev. Located at a depth of 105 m, it was designed in this way to serve as a shelter in the event of an attack. The second deepest station is in China. Badaling station is located 60 m under the Great Wall of China!

Some trains in Sweden can recover more than a fifth of the energy they use by braking. This is especially true with ore trains as they descend from Narvik to Kiruna.

Will you be returning to Southampton by train?

Train from Portsmouth to Southampton

Top Traveled Train Routes

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The Best Way To Book Bus and Train Tickets

Busbud helps you easily search, compare and book intercity bus tickets on a worldwide scale with our comprehensive list of bus routes and schedules. With several language and currency options available, Busbud seeks to cater to international bus travelers no matter where they are in the world. With Busbud, you can buy tickets with confidence. We ensure that you make the most out of your bus trip by partnering up with reliable bus companies from all around the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.

Train tickets from Southampton to Portsmouth