Find coaches from Southampton to Portsmouth

Find affordable coach tickets from Southampton to Portsmouth with flexible options. Book your journey now

Join 75M+ travellers booking 2M+ routes across 85+ countries.
Enjoy our 24/7 customer service to assist you at every stage.
Cancel anytime and receive a 100% refund, no reason needed.
Today11 Aug
from US$9
Tomorrow12 Aug
from US$9
Wed13 Aug
from US$9
Thu14 Aug
from US$9
Fri15 Aug
Sat16 Aug
from US$9
Sun17 Aug
from US$9
Mon18 Aug

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: 12 August at
    Departure city: Southampton
    Departure location: Southampton Coach Station
    Arrival time: 12 August at
    Destination city: Portsmouth
    Destination location: The Hard Interchange
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: 12 August at
    Departure city: Southampton
    Departure location: Southampton Coach Station
    Arrival time: 12 August at
    Destination city: Portsmouth
    Destination location: The Hard Interchange
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: 12 August at
    Departure city: Southampton
    Departure location: Southampton Coach Station
    Arrival time: 12 August at
    Destination city: Portsmouth
    Destination location: The Hard Interchange
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: 12 August at
    Departure city: Southampton
    Departure location: Southampton Coach Station
    Arrival time: 12 August at
    Destination city: Portsmouth
    Destination location: The Hard Interchange
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: 12 August at
    Departure city: Southampton
    Departure location: Southampton Coach Station
    Arrival time: 12 August at
    Destination city: Portsmouth
    Destination location: The Hard Interchange
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:

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 travel from Southampton to Portsmouth

Bus
Average priceUS$8 - US$10Average duration55m
1kg CO₂e5 out of 5 stars
Train
Average priceUS$15 - US$36Average duration45m
0kg CO₂e5 out of 5 stars
Most eco-friendly
Carpool
Average priceUS$4 - US$4Average duration30m
1kg CO₂e4 out of 5 stars
CheapestFastest
busbud logoBusbud recommends carpooling from Southampton to Portsmouth

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 US$4, it presents an excellent value for a comfortable ride.

1carpool per day
30mAverage duration
US$4Cheapest ticket
1kgCO₂ emissions

Bus Southampton to Portsmouth: Trip Overview

Average ticket priceUS$9
Average bus trip duration55m
Number of daily buses5
Earliest bus departure01:50
Distance15 miles
Latest bus departure18:40

Southampton to Portsmouth Bus

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

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

Whether it is cheap bus tickets or more luxurious buses 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 on the trip Southampton - Portsmouth

  1. How far is Portsmouth from Southampton by coach?

    The distance between Southampton and Portsmouth by coach is approximately 16 miles (25 km).

  2. What is the best way to go from Southampton to Portsmouth without a car?

    The best way to go from Southampton to Portsmouth without a car is by coach. They are frequent and reliable, offering a convenient and eco-friendly journey. Depending on your preferences, another alternative is to explore ridesharing trips.

Find cheapest prices for buses

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

Best price found
09/08
US$9
10/08
US$7
Today
US$7
12/08
US$7
13/08
US$7
14/08
US$7
15/08
US$7
16/08
US$7
busbud logoThe cheapest trip from Southampton to Portsmouth was searched and found on 11 Aug 2025 with a price of US$7

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Southampton to Portsmouth as early as possible.

You can expect to pay from US$7 to US$12 for a bus ticket from Southampton to Portsmouth based on the last 2 days. You can expect to find the cheapest price for the trip at US$7, which is on 2025-08-13.

About Bus Travel

Bus Travel Tips

Make friends with the driver. They usually know a lot about your destination and may even recommend which side of the bus to sit on to get the best views on the road between Southampton and Portsmouth!

Start sightseeing the minute your bus leaves the station. If you're on the night bus from Southampton to Portsmouth, get comfy and count the stars.

Buses are energy-efficient. Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. Compare that to the 2.6 liters required by high-speed train, 6.6 liters by airplane and 7.6 liters by gas-powered car, and it's clear that the bus is a more environmentally-conscious option for your bus transportation from Southampton to Portsmouth.

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

Did you know?

Did you know there are on average 4,400 intercity bus departures every day in the US only? This number has been growing for 9 years in a row, yay!

The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

The word 'bus' is an abbreviation of 'omnibus" which means 'for all' in Latin as buses were meant to be transportation for everybody.

Will you be returning to Southampton by bus?

Bus from Southampton to Portsmouth

You can also go 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 several language and currency options available, Busbud seeks to cater to international bus travellers 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.

People from around the world trust Busbud

‌

Popular Buses Connecting Southampton

Buses Leaving from Southampton

Buses Going to Southampton

Popular Buses Connecting Portsmouth

Buses Leaving from Portsmouth

Buses Going to Portsmouth