- Must visit
Mary Rose Museum
World-class museum housing Henry VIII's raised flagship. See the preserved Tudor warship and immersive galleries on life aboard.
Cheapest price
$112
Average price
$120
Fastest journey
4 h 28 m
Average duration
4 h 40 m
Trains per day
3
Distance
219 km
The best way to find a cheap train 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 $120 if you buy it on the day, but the cheapest tickets can be found for only $112.
Of the 3 trains that leave Swansea for Portsmouth on Wed, Jul 15, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, Jul 15 the direct trains cover the 219 km distance in an average of 4 h 40 m but if you time it right, some trains will get you there in just 4 h 28 m .
On Wed, Jul 15 the slowest trains will take 4 h 57 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.






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 $21. For those with little time consider booking a train which can get you there in 4h 17m. The ticket price range depends on the travel mode: a bus costs an average of $21, and a train costs an average of $110.
Distance: 136 miles (219 km)
| Train | Most popular Bus | Driving |
|---|---|---|
$126 Average price | $44 Average price Cheapest | $61 Average price (fuel + tolls) |
4h 47m Average total duration Fastest 4h 17m Onboard + 30m Additional time* | 7h 53m Average total duration 7h 23m Onboard + 30m Additional time* | 3h 37m Average total duration (door-to-door) |
![]() Most popular train company | ![]() Most popular bus company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Swansea to Portsmouth:
A bus is $82 (€68) less than a train for this route with tickets for a train from Swansea to Portsmouth costing on average $126 (€104).
Other travel options to Portsmouth take longer:
Bus takes on average 7h 23m.
Tickets start at around $126 (€104) compared to roughly $61 (€51) in fuel and tolls — a saving of about $-64.69 (€-53.32). The journey takes 4h 17m versus 3h 37m by car, so you'll arrive a bit later, but you can work, read, or sleep along the way rather than spending the time behind the wheel. You'll also save the hassle of parking at the other end.
Driving is worth it if you're on a tight schedule, travelling as a group, or want to stop somewhere en route.
The table below shows live departures for Swansea to Portsmouth trains for tomorrow, Wednesday, July 15. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 10:22 AM Swansea | 4h28 | 2:50 PM Portsmouth | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
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.
Trains from Swansea to Portsmouth run on average 5 times per day, taking around 4h 17m. Cheap train tickets for this journey start at $110 (€91) but you can travel from only $21 (€17) by bus.
The earliest train runs at 03:46, the last at 21:04. The fastest train covers the 136 miles (219 km) distance in 4h 23m.
Distance 136 miles (219 km) |
Average train duration 4h 17m |
Cheapest ticket price $110 (€91) |
Trains per day 5 |
Fastest train 4h 23m |
First train 3:46 AM |
Last train 9:04 PM |
Cheapest Month Mar |
Cheapest Day Mon |
High Season Apr - Jun |
Low Season Jan - Mar |
Busiest Day Sat |
Least Busy Day Sun |
Best time to book 14 days |
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
World-class museum housing Henry VIII's raised flagship. See the preserved Tudor warship and immersive galleries on life aboard.
Museum dedicated to HMS Victory and Nelson's navy. Learn about the Battle of Trafalgar and life in the age of sail.
Historic ironclad from 1860 that changed naval warfare. Explore decks, engine spaces and displays in the Historic Dockyard.
Historic harbourfront quarter with cobbled lanes, old pubs, sea walls and major naval attractions. Ideal for first-time visitors on foot.
Atmospheric old quarter with narrow streets, Georgian houses and waterfront views. Great for history, churches and a quieter local feel.
Lively seafront district known for beach walks, gardens, castle and independent venues. A classic area for promenade views and relaxation.
A Portsmouth classic of battered cod or haddock with chips, tied to the city’s long naval and seafaring tradition and best eaten fresh by the waterfront.
Fresh crab landed on the south coast, often served simply in sandwiches or salads. It reflects Portsmouth’s harbour access and strong seafood culture.
Portsmouth sits by rich oyster waters, and oysters are a traditional local treat served raw or dressed, prized for their fresh, briny flavour.
Refined fine dining in Southsea known for modern British tasting menus, polished service, and a special-occasion atmosphere.
Lively Southsea venue famous for fresh seafood and shellfish, offering a casual setting popular with locals and visitors.
Historic waterside pub in Old Portsmouth serving cask ales and classic British dishes with harbour views and traditional character.
Moderate for the UK. Hotels often cost less than London, while dining and local transit are mid-range for a coastal city.
Tipping is optional. In restaurants, 10-12.5% is common if service is not included. Round up taxi fares. Cafes usually do not expect tips, but small change is appreciated.
Find answers to the most common questions about traveling from Swansea to Portsmouth by train. 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 train, the cheapest option, or tips for making the most of your visit at Portsmouth, this guide helps you travel smarter and with confidence.

Most Swansea to Portsmouth trains use the Swansea to Portsmouth & Southsea station pair, with some services arriving at Fratton. Use this guide to compare Swansea and Portsmouth train stations on this route, check city-centre transport, alongside checking practicalities like train station facilities and services.
Swansea has practical services for this route, including Shopping, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, and Bike Rental.
Food and drink options are available at Swansea.
ATMs are available at Swansea.
Ticket office support is available at Swansea.
Lost and found is available at the station.
Available at Swansea: Parking, WC.
Available at Swansea: Bike Parking, Bike Rental.
Accessibility facilities are available at Swansea: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Category A. Step free access to all platforms, Accessible car park equipment: Wheelchair users can use car park equipment at this station unaided, Accessible public telephones: on concourse, Accessible ticket machines: There are accessible ticket machines at this station, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
Portsmouth & Southsea has practical services for this route, including Wifi, Parking, Dining, ATM, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, and Bike Rental.
Food and drink options are available at Portsmouth & Southsea.
Wi-Fi is available at Portsmouth & Southsea. ATMs are available at Portsmouth & Southsea.
Ticket office support is available at Portsmouth & Southsea.
Lost and found is available at the station.
Available at Portsmouth & Southsea: Parking, WC.
Available at Portsmouth & Southsea: Bike Parking, Bike Rental.
Accessibility facilities are available at Portsmouth & Southsea: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Step-free category A Station - This station has step-free access to all platforms. Please be aware that some platforms at this station have no or only partial tactile paving on the platform edge, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
Fratton is 1 km from Portsmouth city centre. Public transport options include:
Fratton has practical services for this route, including Wifi, Shopping, Parking, Dining, Accessibility, WC, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, Car Rental, and Information Desk.
Food and drink options are available at Fratton.
Wi-Fi is available at Fratton.
Ticket office support is available at Fratton. Information desks are information available from staff: Yes - from help point, Helpline Contact: 0800 5282100.
Lost and found is available at the station.
Available at Fratton: Parking, WC.
Available at Fratton: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at Fratton: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Step-free category A Station - This station has step-free access to all platforms, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
Portsmouth Harbour is 1 km from Portsmouth city centre. Public transport options include:
Portsmouth Harbour has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Hotel, Lost and Found Office, Ticket Office, Bike Parking, Bike Rental, and Car Rental.
Food and drink options are available at Portsmouth Harbour.
Wi-Fi is available at Portsmouth Harbour. ATMs are available at Portsmouth Harbour.
Ticket office support is available at Portsmouth Harbour.
Lost and found is available at the station.
Available at Portsmouth Harbour: Parking, Taxis, WC.
Available at Portsmouth Harbour: Bike Parking, Bike Rental, Car Rental.
Accessibility facilities are available at Portsmouth Harbour: Staff help available: Yes, Step free access coverage: Yes, Step free access note: Step-free category B Station - Steps or 20m ramp (approx. 1:11 gradient) to main entrance, or steps to side entrance. 32m ramp (gradient up to 1:8) from Wightlink IoW ferry terminal. Level access to all platforms. Stepped footbridge between platforms is also available. Please be aware that this station has no tactile paving on the platform edge, Accessible ticket machines: There are accessible ticket machines at this station, Accessible ticket machines note: All South Western Railway ticket machines are able to sell tickets with Disabled Persons Railcard discounts. All machines are accessible, however the station may not be so please check the station access note for further details, Accessible toilets: Yes, Ramp for train access: Yes, Wheelchairs available: Yes, Impaired mobility set down / pick up points available: No.
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