Trains tickets from Portsmouth to Southampton

Discover your next train travel journey from Portsmouth to Southampton and book online with ease

Join 75M+ travelers booking 2M+ routes across 85+ countries.
Enjoy our 24/7 customer service to assist you at every step.
Cancel anytime and receive a 100% refund, no reason needed.
TodayAug 7
from US$15
TomorrowAug 8
from US$15
SatAug 9
from US$15
SunAug 10
from US$15
MonAug 11
TueAug 12
WedAug 13
ThuAug 14

Train schedules for tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest + Fastest
    Departure time: August 8 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: August 8 at
    Destination city: Southampton
    Destination location: Swanwick
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:
  • Departure time: August 8 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: August 8 at
    Destination city: Southampton
    Destination location: Southampton Central
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: August 8 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: August 8 at
    Destination city: Southampton
    Destination location: Southampton Airport Parkway
    Operated by: South Western RailwaySouth Western Railway
    Vehicle: TrainDuration:
  • Departure time: August 8 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: August 8 at
    Destination city: Southampton
    Destination location: Southampton Central
    Operated by: SouthernSouthern
    Vehicle: TrainDuration:
  • Departure time: August 8 at
    Departure city: Portsmouth
    Departure location: Portsmouth and Southsea
    Arrival time: August 8 at
    Destination city: Southampton
    Destination location: Southampton Central
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:

Last refresh of the prices: Last Sunday at 5:42 AM BST.

Prices and availability are subject to change.

Accepted payments

  • Visa
  • MasterCard
  • American Express
  • China Union Pay
  • Diners Club Canada
  • Discover Click to Pay
  • JCB payment
  • Klarna (Pay over time)
  • Google Pay

Compare 3 ways to go from Portsmouth to Southampton

Bus
Average PriceUS$8 - US$10Average Duration55m
1kg CO₂e5 out of 5 stars
Most eco-friendly
Train
Average PriceUS$15 - US$36Average Duration46m
1kg CO₂e5 out of 5 stars
Carpool
Average PriceUS$4 - US$4Average Duration30m
1kg CO₂e4 out of 5 stars
CheapestFastest
busbud logoBusbud recommends taking the bus 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 US$8, it presents an excellent value for a comfortable ride.

5bus per day
55mAverage Duration
US$8Cheapest ticket
1kgCO₂ emissions

Train Portsmouth to Southampton: Trip Overview

Please note, this information is subject to change

Average Ticket PriceUS$21
Average train trip duration46m
Number of daily trains18
Earliest train departure7:22am
Distance26 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 on the trip Portsmouth - Southampton

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

    The average train ticket price from Portsmouth to Southampton is US$21. The best way to find cheap train tickets from Portsmouth to Southampton 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!

  2. How long is the trip from Portsmouth to Southampton?

    A train trip between Portsmouth and Southampton is around 46m, although the fastest train will take about 30m. This is the time it takes to travel the 25 km that separates the two cities.

  3. How many daily trains are there between Portsmouth and Southampton?

    The number of trains from Portsmouth to Southampton can differ depending on the day of the week. On average, there are 18. Some trains are direct while others include transferring trains. Simplify your train trip from Portsmouth to Southampton by comparing and selecting the train that fits your travel style and budget on Busbud.

  4. Which train companies travel from Portsmouth to Southampton?

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

Find cheapest prices for trains

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

Best price found
08-05
US$14
08-06
US$14
Today
US$14
08-08
US$14
08-09
US$14
08-10
US$14
08-11
US$14
08-12
US$14
busbud logoThe cheapest trip from Portsmouth to Southampton was searched and found on Aug 11, 2025 with a price of US$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 US$14 to US$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 US$14 which is on 2025-08-11.

About Train Travel

Train Travel Tips

There are many train stations in the world, check out the 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

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud helps you easily search, compare and book intercity bus tickets on a worlwide scale with our comprehensive list of bus routes and schedules. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud prides itself on its worldwide partnerships. We make it possible for you to buy tickets with its large network of trustworthy bus partners like Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.

People from around the world trust Busbud

‌

Popular Trains Connecting Portsmouth

Trains Leaving from Portsmouth

Popular Trains Connecting Southampton

Trains Going to Southampton