- Must visit
Mary Rose Museum
Purpose-built museum displaying Henry VIII’s Tudor warship and thousands of recovered artefacts at Portsmouth Historic Dockyard.
Cheapest price
$23
Average price
$51
Fastest journey
9 h 40 m
Average duration
9 h 45 m
Buses per day
3
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 $51 if you buy it on the day, but the cheapest tickets can be found for only $23.
Of the 3 buses that leave Swansea for Portsmouth on Wed, Jul 01, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, Jul 01 the direct buses cover the 219 km distance in an average of 9 h 45 m but if you time it right, some buses will get you there in just 9 h 40 m .
On Wed, Jul 01 the slowest buses will take 9 h 55 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 train 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)
| Bus | Most popular Train | Driving |
|---|---|---|
$44 Average price Cheapest | $126 Average price | $61 Average price (fuel + tolls) |
7h 53m Average total duration 7h 23m Onboard + 30m Additional time* | 4h 47m Average total duration Fastest 4h 17m Onboard + 30m Additional time* | 3h 37m Average total duration (door-to-door) |
![]() Most popular bus company | ![]() Most popular train 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.
You'll arrive about {timeSavings} sooner ({durationInMinutes} by bus vs {drivingDurationInMinutes} by car) and save roughly {savingsAmount} compared to fuel and tolls ({cheapestPrice} vs {drivingPriceInCents}). You also skip the drive itself — no traffic stress, no parking, and you can use the time to work, nap, or catch up on a series with the onboard Wi-Fi.
Direct coaches are operated by {directProviders}.
Driving is still worth considering if you're travelling with bulky luggage, need flexibility on departure times, or plan to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator National Express | Departure Time 05:35AM | Arrival Time 01:55PM | Duration 8h20 | Departure days Mon | Cheapest price $53 |
Operator National Express | Departure Time 05:40AM | Arrival Time 01:55PM | Duration 8h15 | Departure days Sun | Cheapest price $49 |
Operator National Express | Departure Time 07:00AM | Arrival Time 04:00PM | Duration 9h00 | Departure days Tue | Cheapest price $54 |
Operator National Express | Departure Time 10:20AM | Arrival Time 07:50PM | Duration 9h30 | Departure days Thu | Cheapest price $31 |
Operator National Express | Departure Time 12:05PM | Arrival Time 08:45PM | Duration 8h40 | Departure days Mon | Cheapest price $40 |
Operator National Express | Departure Time 01:35PM | Arrival Time 11:30PM | Duration 9h55 | Departure days Wed | Cheapest price $23 |
Operator National Express | Departure Time 01:45PM | Arrival Time 10:00PM | Duration 8h15 | Departure days Sat | Cheapest price $61 |
Operator National Express | Departure Time 01:50PM | Arrival Time 10:00PM | Duration 8h10 | Departure days Sat | Cheapest price $46 |
Operator National Express | Departure Time 02:20PM | Arrival Time 11:30PM | Duration 9h10 | Departure days Sun | Cheapest price $42 |
Operator National Express | Departure Time 02:30PM | Arrival Time 11:00PM | Duration 8h30 | Departure days Fri | Cheapest price $36 |
Operator FlixBus | Departure Time 03:20PM | Arrival Time 11:25PM | Duration 8h05 | Departure days Mon | Cheapest price $21 |
Operator National Express | Departure Time 03:35PM | Arrival Time 01:15AM | Duration 9h40 | Departure days Wed | Cheapest price $71 |
Operator National Express | Departure Time 04:35PM | Arrival Time 02:15AM | Duration 9h40 | Departure days Tue, Wed | Cheapest price $48 |
Operator National Express | Departure Time 05:30PM | Arrival Time 02:15AM | Duration 8h45 | Departure days Sat | Cheapest price $28 |
The table below shows live departures for Swansea to Portsmouth buses for today, Tuesday, June 30. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 4:35 PM Swansea | 9h40 | 2:15 AM Portsmouth | 0 transfersDirect | |
This is the last bus 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.
Buses from Swansea to Portsmouth run on average 8 times per day, taking around 7h 23m. Cheap bus tickets for this journey start at $21 (€17) 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 5m.
Distance 136 miles (219 km) |
Average bus duration 7h 23m |
Cheapest ticket price $21 (€17) |
Buses per day 8 |
Fastest bus 8h 5m |
First bus 3:05 AM |
Last bus 9:00 PM |
Cheapest Month Mar |
Cheapest Day Thu |
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.
Purpose-built museum displaying Henry VIII’s Tudor warship and thousands of recovered artefacts at Portsmouth Historic Dockyard.
Major naval museum covering the history of the Royal Navy, with galleries and access linked to Historic Dockyard attractions.
City museum with local history, art collections and displays on Portsmouth’s literary, social and sporting heritage.
Atmospheric historic quarter with cobbled lanes, sea walls, traditional pubs, harbour views and many of the city’s oldest sites.
Long promenade popular for walking, sea views, beach atmosphere, piers, gardens and classic Portsmouth coastal scenery.
Waterside heritage area linking major naval attractions, harbour scenery and one of the city’s most important visitor zones.
Classic battered white fish with chips, closely tied to Portsmouth’s seaside and naval character and still a local staple.
Oysters from the Solent area, valued for their briny flavor and long connection to the Hampshire coast and local seafood trade.
Fresh crab from the south coast, often served simply dressed or in sandwiches, reflecting Portsmouth’s strong seafood tradition.
Well-regarded independent bistro in Old Portsmouth serving modern British and seafood dishes in a relaxed setting.
Historic harbourside pub near Old Portsmouth, known for seafood, classic British dishes, and views over the water.
Established waterfront brasserie at Gunwharf Quays offering French classics, seafood, and a polished but accessible atmosphere.
Moderate by UK standards. Pub meals and chains are manageable, but hotels and waterfront dining cost more.
Service is sometimes included, especially in restaurants. If not, 10-12.5% is standard for good service. Round up in taxis. Tipping is not usually expected for counter service or pubs.
Official public transport app
Portsmouth, The Hard Interchange -> Portsmouth Harbour Station
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.

Here are some other resources that might have the information you need