Trains tickets from Portsmouth to Southampton

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TodayJun 5
TomorrowJun 6
from $15
SatJun 7
SunJun 8
MonJun 9
TueJun 10
WedJun 11
ThuJun 12

Trains leaving tomorrow

One passenger / one way

  • This trip is recommended because it is: Cheapest + Fastest
    Departure time: June 6 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: June 6 at
    Destination city: Southampton
    Destination location: Swanwick
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:
  • Departure time: June 6 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: June 6 at
    Destination city: Southampton
    Destination location: Southampton Airport Parkway
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:
  • Departure time: June 6 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: June 6 at
    Destination city: Southampton
    Destination location: Southampton Central
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: June 6 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: June 6 at
    Destination city: Southampton
    Destination location: Southampton Central
    Operated by: SouthernSouthern
    Vehicle: TrainDuration:
  • Departure time: June 6 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: June 6 at
    Destination city: Southampton
    Destination location: Southampton Airport Parkway
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:

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Compare 3 ways to go from Portsmouth to Southampton.

Bus
Average Price$9 - $9Average Duration55m
1kg CO₂e5 out of 5 stars
Most eco-friendly
Train
Average Price$15 - $37Average Duration46m
1kg CO₂e5 out of 5 stars
Carpool
Average Price$5 - $5Average Duration30m
1kg CO₂e4 out of 5 stars
CheapestFastest
busbud logoBusbud recommends carpooling from Portsmouth to Southampton

Among the sustainable travel choices, the carpool stands out as the good way to reach Southampton. The journey takes about 30 minutes and with fares starting at just $5, it presents an excellent value for a comfortable ride.

1carpool per day
30mAverage Duration
$5Cheapest ticket
1kgCO₂ emissions

Train Portsmouth to Southampton: Trip Overview

Please note, this information is subject to change.

Average ticket price$22
Average train trip duration46m
Number of daily trains21
Earliest train departure6:55am
Distance15 miles (23 km)
Latest train departure11:28pm

Portsmouth to Southampton Train

Busbud helps you find a train from Portsmouth to Southampton. 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 Portsmouth to Southampton from the most reliable train companies operating this trip.

From train tickets to high-end trains trip from Portsmouth to Southampton, we offer a wide range of train services to best suit your needs depending on how much your budget is.

Frequently asked questions for your trip Portsmouth - Southampton

Find cheapest prices for trains

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

Best price found
06/03
No data
06/04
No data
Today
$14
06/06
$14
06/07
No data
06/08
$14
06/09
No data
06/10
No data
busbud logoThe cheapest trip from Portsmouth to Southampton was searched and found on Jun 6, 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 Portsmouth to Southampton, as early as possible.

You can expect to pay from $14 to $34 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 $14 which is on 2025-06-06.

Usually RDG_GWR will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.

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 Southampton 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.

The train emits up to 30x less CO2 for a trip between Portsmouth and Southampton compared to the same trip made by plane or car. A truly ecological mode of transport that will allow you to easily reduce your carbon footprint.

Make a music playlist for your train ride from Portsmouth to Southampton, and enjoy the scenery to tunes from your own personal soundtrack.

Did you know?

Japanese trains are always on time, it is extremely infrequent to see breakdowns during peak periods. In the event of a delay of more than 5 minutes, the crew will personally apologize to each passenger.

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

Railway companies played a major role as early as 1883 in the use of time zones as we know them today.

Will you be returning to Portsmouth by train?

Train from Southampton to Portsmouth

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Popular Trains Connecting Portsmouth

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