Travel Information
Compare train and bus for Portsmouth to Southampton
Omio recommends booking the train as it is the most popular option from Portsmouth to Southampton among Omio's users. If you are prioritising price take the bus with prices starting from €8. For those with little time consider booking a train which can get you there in 50m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.0 - 0.0kg. The ticket price range depends on the travel mode: a bus costs an average of €8, and a train costs an average of €8.
Distance: 25 km
Compare bus with
| Bus | Most popular Train |
|---|---|
€14 Average price Cheapest | €16 Average price |
1h 48m Average total duration 1h 18m Onboard + 30m Additional time* | 1h 20m Average total duration Fastest 50m Onboard + 30m Additional time* |
0.0 - 0.1kg CO2 emissions | 0.0 - 0.0kg CO2 emissions Lowest |
![]() Most popular bus company | ![]() Most popular train company |
Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Compare prices and tickets Portsmouth to Southampton by train or bus
Compare train and bus prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Jun 19
Jun 20
Jun 21
Jun 22
Jun 23
Jun 24
Jun 25
Why should you book Portsmouth to Southampton buses with Omio?
Why book with Omio vs National Express?
- Compare with other providers: On Omio, you can not only buy tickets for National Express, but also compare tickets for the likes of Megabus or First Portsmouth, Fareham & Gosport to find the best option for your trip from Portsmouth to Southampton.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare National Express with all available travel options, which are train and bus to ensure you get the best deal for traveling from Portsmouth to Southampton.
Why book with Omio over Wanderu?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Megabus or First Portsmouth, Fareham & Gosport to find the best option for your trip from Portsmouth to Southampton.
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Portsmouth to Southampton.
Journey information
Overview: Bus from Portsmouth to Southampton
Buses from Portsmouth to Southampton run on average 6 times per day, taking around 1h 18m. Cheap bus tickets for this journey start at €8 if you book in advance.
There are 5 buses per day. The earliest bus runs at 00:04, the last at 23:43. The fastest bus covers the 25 km distance in 55m.
Distance 25 km |
Average bus duration 1h 18m |
Cheapest ticket price €8 |
Buses per day 6 |
Direct buses 5 |
Fastest bus 55m |
First bus 12:04 AM |
Last bus 11:43 PM |
Cheapest Month Sep |
Cheapest Day Fri |
High Season Jul - Sep |
Low Season Jan - Mar |
Busiest Day Thu |
Least Busy Day Mon |
Best time to book 7 days |
Bus providers: National Express, Megabus, First Portsmouth, Fareham & Gosport from Portsmouth to SouthamptonYou can travel by bus between Portsmouth to Southampton with National Express, Megabus, First Portsmouth, Fareham & Gosport for as low as €8. When you search for schedules and tickets, Omio will show you the best journey
National Express
Megabus
First Portsmouth, Fareham & Gosport
FAQs: Bus from Portsmouth to Southampton
Find answers to the most common questions about traveling from Portsmouth to Southampton by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Southampton, this guide helps you travel smarter and with confidence.

- Megabus
- Megabus is ADA-compliant and provides assistance to customers with disabilities, including those using wheelchairs or mobility scooters, and those with service animals.
- National Express
- Assistance
- Priority seating
- Accessible toilets.
- Megabus
- Megabus reservations cannot be canceled or refunded, but they can be traded in for another journey up to 3 hours before your original scheduled departure for a fee.
- National Express
- You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
- Megabus
- One piece of luggage is included per passenger reservation. For guidance, a piece of luggage must not exceed 62 inches (length + width + height) and should not weigh more than 50 pounds (23kg).
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- Megabus
- Additional luggage can be purchased by buying an additional travel ticket in advance or by adding up to two additional pieces when booking for a fee.
- National Express
- 10€ per additional bag.
popular bus stations
Popular bus stations from Portsmouth to Southampton
- 05:00-23:00
- Free Wi-Fi
- Café at The Hard (in the station)
- Fast Food Outlet (in the station).
- Available outside the main entrance
- Elevators, ramps
- Available near the waiting area
- Bus: 1, 2, 3, 7, 8, 13, 14 Train: South Western Railway, Southern, Great Western Railway
- 06:00-22:00
- Free Wi-Fi
- Café Express (in the station)
- Sandwich Bar (in the station).
- Available outside the station
- Elevators, ramps
- Available near the entrance
- Bus: U1, U2, U6, X4 Train: South Western Railway
More options for your journey from Portsmouth to Southampton
Here are some other resources that might have the information you need


