Travel Information
Compare train and bus for Portsmouth to Swansea
Omio recommends booking the train as it is the most popular option from Portsmouth to Swansea among Omio's users. If you are prioritising price take the bus with prices starting from €18. For those with little time consider booking a train which can get you there in 4h 27m. The ticket price range depends on the travel mode: a bus costs an average of €18, and a train costs an average of €101.
Distance: 136 miles (219 km)
Compare bus with
| Bus | Most popular Train |
|---|---|
€46 Average price Cheapest | €105 Average price |
7h 36m Average total duration 7h 6m Onboard + 30m Additional time* | 4h 57m Average total duration Fastest 4h 27m Onboard + 30m Additional time* |
![]() Most popular bus company | ![]() Most popular train company |
Direct Options | Direct Options |
Compare prices and tickets Portsmouth to Swansea 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.
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Journey information
Overview: Bus from Portsmouth to Swansea
Buses from Portsmouth to Swansea run on average 6 times per day, taking around 7h 6m. Cheap bus tickets for this journey start at $22 (€18) if you book in advance.
The earliest bus runs at 01:10, the last at 20:10. The fastest bus covers the 136 miles (219 km) distance in 6h 40m.
Distance 136 miles (219 km) |
Average bus duration 7h 6m |
Cheapest ticket price $22 (€18) |
Buses per day 6 |
Fastest bus 6h 40m |
First bus 01:10 |
Last bus 20:10 |
Bus providers: National Express from Portsmouth to SwanseaYou can travel by bus between Portsmouth to Swansea with National Express for as low as $22 (€18). When you search for schedules and tickets, Omio will show you the best journey
National Express
FAQs: Bus from Portsmouth to Swansea
Find answers to the most common questions about traveling from Portsmouth to Swansea 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 Swansea, 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.
To find the cheapest bus tickets for your trip from Portsmouth to Swansea, follow these tips:
Start your search now and compare ticket prices to find the best deal!
- 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 Portsmouth to Swansea
- 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 Portsmouth
More options for your journey from Portsmouth to Swansea
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