- Must visit
Mary Rose Museum
Purpose-built museum displaying Henry VIII’s Tudor warship and thousands of recovered artefacts from the Solent. One of Portsmouth Historic Dockyard’s signature experiences.
2,000+ travel companies
2,000+ travel companies
Scan to get our free app
Use our app to get live travel updates and book mobile tickets for trains, buses, flights, and ferries.
App Store
4.942K ratings
Google Play
4.6136K reviews
The cheapest and fastest buses from Swansea to Portsmouth
Showing times and prices for May 16
Cheapest price
$28
Average price
$46
Fastest journey
8 h 10 m
Average duration
8 h 23 m
Buses per day
3
Distance
219 km
Cheap tickets
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 $46 if you buy it on the day, but the cheapest tickets can be found for only $28.
Fast buses
Of the 3 buses that leave Swansea for Portsmouth on Sat, May 16, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sat, May 16 the direct buses cover the 219 km distance in an average of 8 h 23 m but if you time it right, some buses will get you there in just 8 h 10 m .
On Sat, May 16 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.
5:30 PM8h45Swansea2:15 AMPortsmouth$281One-way0 transfers- 1:50 PM8h10Swansea10:00 PMPortsmouth$471One-way0 transfers
- 1:45 PM8h15Swansea10:00 PMPortsmouth$621One-way0 transfers
- 1:50 PM8h10Swansea10:00 PMPortsmouth$471One-way0 transfers
- 1:45 PM8h15Swansea10:00 PMPortsmouth$621One-way0 transfers
- 5:30 PM8h45Swansea2:15 AMPortsmouth$281One-way0 transfers
Travel Information
Compare train and bus for Swansea to Portsmouth
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 $113.
Distance: 136 miles (219 km)
Compare bus with
| Bus | Most popular Train | Driving |
|---|---|---|
$45 Average price Cheapest | $129 Average price | $63 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 |
The cheapest way to travel from Swansea to Portsmouth is a bus with an average price of $45 (€36).
This is compared to other travel options from Swansea to Portsmouth:
A bus is $84 (€68) less than a train for this route with tickets for a train from Swansea to Portsmouth costing on average $129 (€104).
The fastest way to travel from Swansea to Portsmouth is by train with an average journey time of 4h 17m.
Other travel options to Portsmouth take longer:
Bus takes on average 7h 23m.
It's helpful to compare your options as there are 2 ways to travel between Swansea and Portsmouth including taking a train and bus.
We recommend using the train as it is the most popular way to get from Swansea to Portsmouth among Omio's users.
Take the bus. On this route, it's both cheaper and quicker than driving.
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.
Swansea to Portsmouth Bus Timetables
| 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 $54 |
Operator National Express | Departure Time 05:40AM | Arrival Time 01:55PM | Duration 8h15 | Departure days Sun | Cheapest price $50 |
Operator National Express | Departure Time 07:00AM | Arrival Time 04:00PM | Duration 9h00 | Departure days Tue | Cheapest price $55 |
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 $62 |
Operator National Express | Departure Time 01:50PM | Arrival Time 10:00PM | Duration 8h10 | Departure days Sat | Cheapest price $47 |
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 $37 |
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 $73 |
Operator National Express | Departure Time 04:35PM | Arrival Time 02:15AM | Duration 9h40 | Departure days Tue, Wed | Cheapest price $49 |
Operator National Express | Departure Time 05:30PM | Arrival Time 02:15AM | Duration 8h45 | Departure days Sat | Cheapest price $28 |
Live departures
Swansea to Portsmouth bus times
The table below shows live departures for Swansea to Portsmouth buses for tomorrow, Saturday, May 16. You can also manually refresh the results below to see updated bus journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 1:45 PM Swansea | 8h15 | 10:00 PM Portsmouth | 0 transfersDirect | |
| 1:50 PM Swansea | 8h10 | 10:00 PM Portsmouth | 0 transfersDirect | |
| 5:30 PM Swansea | 8h45 | 2:15 AM 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.
Sat
May 16
May 16
Sun
May 17
May 17
Mon
May 18
May 18
Tue
May 19
May 19
Wed
May 20
May 20
Thu
May 21
May 21
Fri
May 22
May 22
Why should you book Swansea to Portsmouth buses with Omio?
National Express as well as FlixBus offer buses services from Swansea to Portsmouth.
Omio is an official ticket reseller for all your travel options from Swansea to Portsmouth.
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 FlixBus 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 or Trainline?
- Compare with other providers: On Omio, you can also compare tickets for the likes of FlixBus to find the best option for your trip from Swansea to Portsmouth.
- 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
United KingdomUnited Kingdom
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.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
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 |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Bus providers: National Express, FlixBus from Swansea to PortsmouthYou can travel by bus between Swansea to Portsmouth with National Express, FlixBus for as low as $21 (€17). When you search for schedules and tickets, Omio will show you the best journey
FlixBus
About
FlixBus is one of Europe’s leading low-cost bus companies, founded in Germany and now offering long-distance services across Europe and the United States. In addition to its extensive daytime network, FlixBus also operates overnight buses on select European routes. Standard amenities include free Wi-Fi, power outlets to charge devices, extra legroom, luggage space, and onboard toilets, with snacks and drinks available for purchase. FlixBus offers a single Standard ticket type for all routes, which includes one carry-on bag and one checked bag per passenger. Additional fees apply for extra luggage and for reserving specific seats, such as Extra Seats, Table Seats, or Panorama Seats. This combination of affordability, comfort, and wide coverage makes FlixBus a popular choice for budget-conscious travelers.
Luggage & cancellation policy
Average Duration
8h 5m
Cheapest Price
$21 (€17)
FlixBus frequency
12 a day
Luggage included
One carry-on bag up to 7kg (42x30x18 cm) and one checked bag up to 20kg (80x50x30 cm).
Additional luggage
Additional luggage can be purchased for a fee.
Cancellation Policy
You can cancel your ticket up to 15 minutes before departure and receive a voucher for future travel. Refund requests for delays over 120 minutes are possible.
Amenities on board the bus
Wifi
Food sold onboard
Seat reservation
Toilets
USB plugs
Accessibility
Assistance; Priority boarding; Wheelchair-accessible buses.
Bikes
Bikes are allowed for a fee; must be booked.
Pets
Small pets in carriers allowed; guide dogs travel for free.
National Express
About
National Express is the UK’s leading long-distance coach company, operating over 550 services per day and serving more than 900 destinations nationwide. It also runs frequent services to major UK airports — including Heathrow, Gatwick, Stansted, Luton, and Bristol — 24 hours a day. All National Express coaches are air-conditioned and offer free Wi-Fi and onboard entertainment. Most vehicles are equipped with seat belts and power outlets at every seat, allowing you to charge your phone or laptop during your journey. Ticket options include Restricted Fare, Standard Fare, and Fully Flexible Fare, with the latter providing maximum flexibility for cancellations or changes.
Luggage & cancellation policy
Average Duration
8h 10m
Cheapest Price
$23 (€19)
National Express frequency
8 a day
Luggage included
Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
Additional luggage
10€ per additional bag.
Cancellation Policy
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.
Amenities on board the bus
Wifi
Food sold onboard
Seat reservation
Toilets
USB plugs
Accessibility
Assistance; Priority seating; Accessible toilets.
Bikes
Folding Bikes are allowed; non-folding bikes are not allowed.
Complete guide to Portsmouth
Things to do in Portsmouth
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
- Must visit
National Museum of the Royal Navy
Major naval museum at Portsmouth Historic Dockyard covering Britain’s naval history through galleries, ships, and interactive displays. A strong starting point for understanding the city.
- Recommended
Portsmouth Museum and Art Gallery
City museum and gallery with local history, art, and themed exhibitions, including material on Portsmouth’s literary and maritime heritage.
- Must visit
Old Portsmouth
Historic quarter of narrow streets, pubs, fortifications, and harbour views. One of the city’s most atmospheric areas for walking and photography.
- Must visit
Gunwharf Quays
Modern waterfront district known for shopping, marina views, and easy access to Spinnaker Tower. Popular for promenades and social-media-friendly harbour scenes.
- Must visit
Southsea Seafront
Classic promenade area with beach views, gardens, piers, and open space. A favourite for strolling, cycling, and sunset views over the Solent.
Portsmouth Fish And Chips
Freshly battered cod or haddock with chips, a classic seaside meal closely tied to Portsmouth's working harbour and waterfront culture.
Crab Sandwich
A simple sandwich filled with sweet dressed crab, reflecting the city's strong connection to the Solent and local shellfish.
- Gluten-free
Moules Mariniere
Mussels cooked with white wine, garlic and herbs, popular in Portsmouth thanks to the city's coastal setting and access to fresh shellfish.
The Parade Tea Rooms
Established Southsea cafe and tea room known for homemade cakes, afternoon tea and traditional British breakfasts in a cosy setting.
The A Bar Bistro
Well-regarded waterfront bistro at Old Portsmouth serving modern British dishes and seafood with harbour views and a relaxed atmosphere.
Brasserie Blanc Portsmouth
Established brasserie at Gunwharf Quays offering polished French and British dining, suitable for a more refined meal.
Pound Sterling
Moderate by UK standards. Pub meals and chains are reasonable, while seafront dining and hotels cost more in peak season.
Average meal costs
- Budget
- GBP 8-15 for fast food, bakery items, or a simple lunch.
- Mid-range
- GBP 18-30 per person at a casual restaurant.
- Fine dining
- GBP 45+ per person at upscale restaurants.
- Coffee
- GBP 3-4.50 for a regular coffee.
Tipping culture
Service charge may be added in restaurants; if not, 10-12.5% is standard for good service. Round up taxis. No tip needed for pubs, takeaway, or counter service.
First Bus
Get the appOfficial public transport app
Prices
- Single ticket
- GBP 2.00
- Day pass
- GBP 5.00
To the city center
Portsmouth, The Hard Interchange -> Portsmouth Harbour Railway Station
- Distance
- 0.2 km
- Travel time
- 3 min
- Tap on and tap off with a contactless card on local buses for capped fares; the adult single bus fare is capped at GBP 2.00.
- The Hard Interchange and Portsmouth Harbour are next to each other, so walking is usually the fastest option for the city centre.
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.
Cheap bus tickets from Swansea to Portsmouth can start from as little as $21 (€17) when you book in advance. The average bus ticket price for Swansea to Portsmouth is $45 (€36) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by bus from Swansea to Portsmouth is 8h 5m to travel the 136 miles (219 km) long journey. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest bus from Swansea to Portsmouth leaves at 3:05 AM. Plan your trip with the Journey Planner from Omio.
The latest bus from Swansea to Portsmouth leaves at 9:00 PM.
There are 8 buses a day from Swansea to Portsmouth which require at least one change with National Express, FlixBus. Schedules can vary on holidays or weekends with fewer buses.
When taking a bus from Swansea to Portsmouth, you can count on National Express, FlixBus for the best way to get you to Portsmouth. You can also check all possible bus companies who offer a service between Swansea and Portsmouth and compare the amenities they offer before buying a bus ticket.
When departing from Swansea , you have various bus station options to start your journey from including Swansea, Quadrant Bus Station, Swansea, University Bay Campus, Port Talbot, Heilbronn Way . When arriving in Portsmouth , you can end your journey in bus stations like Portsmouth, The Hard Interchange, Southampton, Burgess Rd / Broadlands Rd (Southampton University), Portsmouth, University, Portsmouth, International Port, Southsea, Clarence Esplanade .Passengers board the bus most frequently from Swansea, Quadrant Bus Station, which is located around 0 away from the city centre, and they get off the bus at Portsmouth, The Hard Interchange, located 1 away from the city centre.
A trip to Portsmouth from Swansea is worth doing but not as a day trip with a journey time of 8h 5m each way. Check with Omio app the best way to travel.
The cheapest month for a bus from Swansea to Portsmouth is March.
It's helpful to compare your options as there are 2 ways to travel between Swansea and Portsmouth including taking a train and bus.
Yes, the following accessibility options are available when taking the bus from Swansea to Portsmouth:
- National Express
- Assistance
- Priority seating
- Accessible toilets.
- FlixBus
- Assistance
- Priority boarding
- Wheelchair-accessible buses.
Yes, there are bathrooms on board the bus from Swansea to Portsmouth for bus company National Express, FlixBus.
Whether you can cancel your bus ticket from Swansea to Portsmouth depends on the bus companies:
- 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.
- FlixBus
- You can cancel your ticket up to 15 minutes before departure and receive a voucher for future travel. Refund requests for delays over 120 minutes are possible.
Yes, bikes are allowed on board the bus with bus company National Express, FlixBus.
Tickets are often cheaper when booked early. Traveling during off-peak hours or on weekdays can help you save money. Sort results by price to quickly identify the most affordable options. Check for promotions or discounts available on our website and app.
Yes, there is food available to purchase on board the bus from Swansea to Portsmouth.
Yes, the following luggage options are included when booking a bus ticket from Swansea to Portsmouth:
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- FlixBus
- One carry-on bag up to 7kg (42x30x18 cm) and one checked bag up to 20kg (80x50x30 cm).
Yes, the following additional luggage options are available when booking a bus ticket from Swansea to Portsmouth:
- National Express
- 10€ per additional bag.
- FlixBus
- Additional luggage can be purchased for a fee.
Yes, you can bring your pet on the bus from Swansea to Portsmouth. The following conditions apply:
- FlixBus
- Small pets in carriers allowed
- guide dogs travel for free.
You can reserve your seat on the bus from Swansea to Portsmouth with the following bus company: National Express, FlixBus
Yes, there are USB plugs on board the bus from Swansea to Portsmouth with the following bus company: National Express, FlixBus.
Yes, there is Wifi on board the bus from Swansea to Portsmouth with the following bus company: National Express, FlixBus.
Since neither Swansea nor Portsmouth are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and United Kingdom. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
We recommend using the train as it is the most popular way to get from Swansea to Portsmouth among Omio's users.
The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.
In Portsmouth, travelers should be cautious of pickpocketing, especially in crowded areas like the Historic Dockyard and Gunwharf Quays. Common scams include overcharging by taxi drivers and unofficial street vendors selling counterfeit goods. It is advisable to use licensed taxis, keep personal belongings secure, and remain vigilant when approached by strangers offering unsolicited services or deals.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
popular bus stations
Popular bus stations from Swansea to Portsmouth
Swansea
Portsmouth
The major bus station for departures in Swansea is Swansea, Quadrant Bus Station. Find all the information you need to know about services, amenities and connections at Swansea, Quadrant Bus Station for your trip from Swansea to Portsmouth.
Swansea, Quadrant Bus Station
information
Swansea, University Bay Campus
information
The major bus station for arrivals in Portsmouth is Portsmouth, The Hard Interchange. Find all the information you need to know about services, amenities and connections at Portsmouth, The Hard Interchange for your trip to Portsmouth from Swansea.
Amenities at bus station
Wifi
Parking
Dining
ATM
Taxis
Accessibility
WC
Ticket Officeinformation
Ticket Office Hours
- 05:00-23:00
Distance to city center
1 km
Car connection
The HardWifi
- Free Wi-Fi
Dining
- Café at The Hard (in the station)
- Fast Food Outlet (in the station).
Taxis
- Available outside the main entrance.
Accessibility
- Elevators, ramps
WC
- Available near the waiting area.
Public transit options for Portsmouth, The Hard Interchange
- Bus: 1, 2, 3, 7, 8, 13, 14 Train: South Western Railway, Southern, Great Western Railway
Portsmouth, University
information
Amenities at bus station
WifiParkingDiningATMTaxisAccessibilityWCTicket Officeinformation
Ticket Office Hours
- 06:00-22:00
Distance to city center
1 kmCar connection
Wharf RoadWifi
- Free Wi-Fi
Dining
- Café in the terminal (in the station)
- Fast-food outlet (in the station).
Taxis
- Available outside the main entrance.
Accessibility
- Elevators, ramps
WC
- Available in the station.
Public transit options for Portsmouth, International Port
- Bus: 8, 20, 700 Train: Portsmouth Harbour
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
Most popular buses to and from Portsmouth and Swansea
Most popular bus connections to Portsmouth
The Omio App Makes Travel Planning Easy
We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.
