The cheapest and fastest buses from Swansea to Portsmouth
Cheapest price
$27
Average price
$27
Fastest journey
8 h 45 m
Average duration
8 h 45 m
Buses per day
1
Distance
219 km
The best way to find a cheap bus ticket from Swansea to Portsmouth is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Swansea to Portsmouth will cost around $27 if you buy it on the day, but the cheapest tickets can be found for only $27.
Of the 1 buses that leave Swansea for Portsmouth on Sun, Feb 15, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Feb 15 the direct buses cover the 219 km distance in an average of 8 h 45 m but if you time it right, some buses will get you there in just 8 h 45 m .
On Sun, Feb 15 the slowest buses will take 8 h 45 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Travel Information
Compare train and bus for Swansea to Portsmouth
Omio recommends booking the bus as it is the most popular option from Swansea to Portsmouth among Omio's users. If you are prioritising price take the bus with prices starting from €15. For those with little time consider booking a train which can get you there in 4h 16m. The ticket price range depends on the travel mode: a bus costs an average of €15, and a train costs an average of €84.
Distance: 136 miles (219 km)
Compare bus with
Most popular Bus | Train |
|---|---|
€29 Average price Cheapest | €104 Average price |
7h 43m Average total duration 7h 13m Onboard + 30m Additional time* | 4h 46m Average total duration Fastest 4h 16m Onboard + 30m Additional time* |
![]() Most popular bus company | ![]() Most popular train company |
Direct Options | Direct Options |
Live departures
Swansea to Portsmouth bus times
The table below shows live departures for Swansea to Portsmouth buses for today, Saturday, February 14. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets | |
|---|---|---|---|---|---|---|
![]() | 2:45 PM Swansea | 8h15 | 11:00 PM Portsmouth | 0 transfersDirect | ||
This is the last bus of the day. | ||||||
Find all the dates and times for this journey
Compare prices and tickets Swansea to Portsmouth 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.
Feb 15
Feb 16
Feb 17
Feb 18
Feb 19
Feb 20
Feb 21
Why should you book Swansea to Portsmouth 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 to find the best option for your trip from Swansea to Portsmouth.
- 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 Swansea to Portsmouth.
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including train and bus to find the ideal travel option from Swansea to Portsmouth.
Journey information
Overview: Bus from Swansea to Portsmouth
Buses from Swansea to Portsmouth run on average 9 times per day, taking around 7h 13m. Cheap bus tickets for this journey start at $19 (€15) if you book in advance.
The earliest bus runs at 03:05, the last at 21:00. The fastest bus covers the 136 miles (219 km) distance in 8h 15m.
Distance 136 miles (219 km) |
Average bus duration 7h 13m |
Cheapest ticket price $19 (€15) |
Buses per day 9 |
Fastest bus 8h 15m |
First bus 03:05 |
Last bus 21:00 |
Bus providers: National Express from Swansea to PortsmouthYou can travel by bus between Swansea to Portsmouth with National Express for as low as $19 (€15). When you search for schedules and tickets, Omio will show you the best journey
National Express
FAQs: Bus from Swansea to Portsmouth
Find answers to the most common questions about traveling from Swansea to Portsmouth 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 Portsmouth, this guide helps you travel smarter and with confidence.

- National Express
- Assistance
- Priority seating
- Accessible toilets.
- 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.
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- National Express
- 10€ per additional bag.
popular bus stations
Popular bus stations from Swansea to Portsmouth
- 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
Most popular bus connections from Swansea
More options for your journey from Swansea to Portsmouth
Here are some other resources that might have the information you need

