- Must visit
Swansea Museum
Swansea's main museum covers local history, Egyptology, natural history and maritime displays in a historic waterfront building.
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The cheapest and fastest coaches from Carmarthen to Swansea
Showing times and prices for 03 Aug
Cheapest price
£9
Average price
£10
Fastest journey
50 m
Average duration
50 m
Buses per day
2
Distance
36 km
Cheap tickets
The best way to find a cheap coach ticket from Carmarthen to Swansea is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Carmarthen to Swansea will cost around £10 if you buy it on the day, but you can find cheap coach tickets today for only £9.
Fast coaches
Of the 2 buses that leave Carmarthen for Swansea every day 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct buses cover the 36 km distance in an average of 50 m but if you time it right, some buses will get you there in just 50 m .
The slowest buses will take 50 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.
NX50810:550h50Carmarthen, Lammas Street (Rose and Crown Hotel)11:45Swansea, Quadrant Bus Station£91One-way0 changes- NX1129:500h50Carmarthen, Lammas Street (Rose and Crown Hotel)10:40Swansea, Quadrant Bus Station£101One-way0 changes
- NX50810:550h50Carmarthen, Lammas Street (Rose and Crown Hotel)11:45Swansea, Quadrant Bus Station£91One-way0 changes
- NX1129:500h50Carmarthen, Lammas Street (Rose and Crown Hotel)10:40Swansea, Quadrant Bus Station£101One-way0 changes
Travel Information
Compare train and coach for Carmarthen to Swansea
Omio recommends booking the train as it is the most popular option from Carmarthen to Swansea among Omio's users. If you are prioritising price take the coach with prices starting from £7. For those with little time consider booking a train which can get you there in 49m. In case you are seeking to minimise your carbon footprint the train is your best bet as it emits only 0.0 - 0.0kg. The ticket price range depends on the travel mode: a coach costs an average of £7, and a train costs an average of £4.
Distance: 36 km
Compare bus with
| Coach | Most popular Train |
|---|---|
£9 Average Price Cheapest | £9 Average Price |
1h 29m Average total duration 59m Onboard + 30m Additional time* | 1h 19m Average total duration Fastest 49m Onboard + 30m Additional time* |
0.0 - 0.1kg CO2 emissions | 0.0 - 0.0kg CO2 emissions Lowest |
Most popular bus company |  Most popular train company |
Direct Options | Direct Options |
Additional time: Average total travel duration to departure point, security checks and transfers.
Live departures
Carmarthen to Swansea bus times
The table below shows live departures for Carmarthen to Swansea coaches for tomorrow, Monday 3 August. You can also manually refresh the results below to see updated coach journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
| NX112 | 9:50 Carmarthen, Lammas Street (Rose and Crown Hotel) | 0h50 | 10:40 Swansea, Quadrant Bus Station | 0 changesdirect | |
| NX508 | 10:55 Carmarthen, Lammas Street (Rose and Crown Hotel) | 0h50 | 11:45 Swansea, Quadrant Bus Station | 0 changesdirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Carmarthen to Swansea by train or coach
Compare train and coach 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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Why should you book Carmarthen to Swansea coaches with Omio?
National Express operates all coaches services from Carmarthen to Swansea.
Omio is an official ticket reseller for all your travel options from Carmarthen to Swansea.
Why book with Omio vs National Express?
- 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 Carmarthen to Swansea.
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 Carmarthen to Swansea.
Journey information
Overview: Bus from Carmarthen to Swansea
United KingdomUnited Kingdom
Buses from Carmarthen to Swansea run on average 3 times per day, taking around 59m. Cheap bus tickets for this journey start at £7 but you can travel from only £4 by train.
There are 2 coaches per day. The earliest coach runs at 00:05, the last at 23:55. The fastest coach covers the 36 km distance in 50m.
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
Cheapest alternative travel mode
Train from £4
Distance 36 km |
Average bus duration 59m |
Cheapest ticket price £7 |
Buses per day 3 |
Direct buses 2 |
Fastest bus 50m |
First bus 0:05 |
Last bus 23:55 |
Cheapest Month Aug |
Cheapest Day Thu |
High Season Jan - Mar |
Low Season Jul - Sept |
Busiest Day Wed |
Least Busy Day Mon |
Best time to book 7 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
Cheapest alternative travel mode
Train from £4
Bus providers: National Express from Carmarthen to SwanseaYou can travel by bus between Carmarthen to Swansea with National Express for as low as £4. When you search for schedules and tickets, Omio will show you the best journey
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
50m
Cheapest Price
£7
National Express frequency
2 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 Swansea
Things to do in Swansea
Discover the best of Swansea — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Swansea trip today.
- Must visit
National Waterfront Museum
A modern museum in the Maritime Quarter exploring the city's copper, coal, industry and waterfront heritage with interactive exhibits.
- Recommended
Dylan Thomas Centre
A compact museum inside Dylan Thomas Square focusing on the writer's life, works and links to Swansea through exhibitions and events.
- Must visit
Swansea Bay Promenade
A broad sandy sweep along Swansea Bay, popular for walking, cycling and sea views, with easy access from the city centre.
- Must visit
Mumbles
A historic village area by the sea, known for its pier, independent shops, promenade and access to coastal walks.
- Recommended
Cwmdonkin Park
A large city park with botanical displays, glasshouses, sports facilities and open lawns close to central Swansea.
- Vegetarian
Welsh Cakes
Traditional Welsh cakes are small griddled currant cakes, served warm with sugar. They are a classic Welsh teatime treat long associated with home baking.
- Vegetarian
- Vegan
- Gluten-free
Laverbread
Laverbread is a Welsh speciality made from slow-cooked laver seaweed, often served at breakfast. It is deeply tied to the South Wales coast and local food culture.
- Gluten-free
Welsh Breakfast With Laverbread And Cockles
A traditional Welsh breakfast in Swansea often includes laverbread and cockles alongside bacon and eggs. It showcases produce gathered from the nearby Gower coast.
The Swigg
Established Swansea seafood spot focused on simple fish, shellfish, and classic British sides in an easy-going atmosphere.
Oyster House
Well-known casual venue in Mumbles serving fresh seafood and fish dishes, with a modern feel and strong local reputation.
The Shed
Smart waterfront restaurant at the marina serving modern British cooking, steaks, and seafood in a polished setting.
Pound sterling (£)
Moderate for the UK. Hotels, meals and local transport are often cheaper than in London, though summer stays and seafront dining can raise daily costs.
Average meal costs
- Budget
- £8-12 for fast food or a simple meal.
- Mid-range
- £15-25 per person for a restaurant meal.
- Fine dining
- £45+ per person for upscale dining.
- Coffee
- £2.80-4 for a cappuccino.
Tipping culture
Restaurants: 10-12.5% if service is not included. Taxis: round up or add about 10%. Cafés and pubs: tipping is optional, though small change is appreciated.
TfW
Get the appOfficial public transport app
Prices
- Single ticket
- £3.10
- Day pass
- £6.00
To the city centre
Swansea University Bay Campus -> Swansea Bus Station
- Distance
- 5 km
- Travel time
- 18 min
- First Cymru buses link Bay Campus, the city centre and the rail station. Contactless tap-and-go is available on local buses.
- Swansea Bus Station is the main city-centre hub. Swansea rail station is managed by Transport for Wales and is the main rail gateway.
FAQs: Carmarthen to Swansea coach
Find answers to the most common questions about traveling from Carmarthen to Swansea by coach. 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 coach, the cheapest option, or tips for making the most of your visit at Swansea, this guide helps you travel smarter and with confidence.
Cheap coach tickets from Carmarthen to Swansea can start from as little as £7 when you book in advance. The average coach ticket price for Carmarthen to Swansea is £9; 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 coach from Carmarthen to Swansea is 50m to travel the 36 km long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest coach from Carmarthen to Swansea leaves at 0:05. Plan your trip with the Journey Planner from Omio.
The latest coach from Carmarthen to Swansea leaves at 23:55.
Yes, there are 2 direct coaches a day from Carmarthen to Swansea with National Express. Schedules can vary on holidays or weekends with fewer direct coaches.
When taking a coach from Carmarthen to Swansea, you can count on National Express for the best way to get you to Swansea. You can also check all possible coach companies who offer a service between Carmarthen and Swansea and compare the amenities they offer before buying a coach ticket.
Passengers board the coach most frequently from Carmarthen, Lammas Street (Rose and Crown Hotel), which is located around away from the city centre, and they get off the coach at Swansea, Quadrant Bus Station, located 0 away from the city centre.
A day trip to Swansea from Carmarthen is worth doing with a journey time of 50m each way. Check with Omio app the best way to travel.
The cheapest month for a coach from Carmarthen to Swansea is August.
It's helpful to compare your options as there are 2 ways to travel between Carmarthen and Swansea including taking a train and coach.
Yes, the following accessibility options are available when taking the coach from Carmarthen to Swansea:
- National Express
- Assistance
- Priority seating
- Accessible toilets.
Yes, there are bathrooms on board the coach from Carmarthen to Swansea for coach company National Express.
Whether you can cancel your coach ticket from Carmarthen to Swansea depends on the coach 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.
Yes, bikes are allowed on board the coach with coach company National Express.
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.
No, there is no food available to purchase on board the coach from Carmarthen to Swansea.
Yes, the following luggage options are included when booking a coach ticket from Carmarthen to Swansea:
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
Yes, the following additional luggage options are available when booking a coach ticket from Carmarthen to Swansea:
- National Express
- 10€ per additional bag.
Unfortunately, pets are not allowed on the coach from Carmarthen to Swansea.
You can reserve your seat on the coach from Carmarthen to Swansea with the following coach company: National Express
Yes, there are USB plugs on board the coach from Carmarthen to Swansea with the following coach company: National Express.
Yes, there is Wifi on board the coach from Carmarthen to Swansea with the following coach company: National Express.
popular bus stations
Important Stations and Airports in Carmarthen and Swansea
Most Carmarthen to Swansea buses use the Carmarthen, Lammas Street (Rose and Crown Hotel) to Swansea, Quadrant Bus Station station pair. Use this guide to compare Carmarthen and Swansea bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Departure bus stations in Carmarthen
Arrival bus stations in Swansea
Which Carmarthen station do buses to Swansea leave from?
Buses from Carmarthen to Swansea leave from Carmarthen, Lammas Street (Rose and Crown Hotel). The station is from Carmarthen city centre at 2-5 Guildhall Square, Carmarthen SA31 1NP, UK.
Carmarthen, Lammas Street (Rose and Crown Hotel)2-5 Guildhall Square, Carmarthen SA31 1NP, UK
City-centre transport
Getting to Carmarthen, Lammas Street (Rose and Crown Hotel) from Carmarthen city centre
BusT1x, 322, T1, T1a · 5m · £0.90 · every ~4 min
Carmarthen, Lammas Street (Rose and Crown Hotel) bus station facilities and services
Carmarthen, Lammas Street (Rose and Crown Hotel) has practical services for this route, including Accessibility.
Accessibility
Accessibility facilities are available at Carmarthen, Lammas Street (Rose and Crown Hotel): The place has an entrance that is wheelchair-accessible.
Swansea, Quadrant Bus StationSwansea Quadrant Bus Station, Dillwyn St, SA1 3AR
City-centre transport
Getting to Swansea, Quadrant Bus Station from Swansea city centre
Bus49, 30, 54 · 3m · £4 · every ~3 min
Most popular bus connections from Carmarthen
More options for your journey from Carmarthen to Swansea
Here are some other resources that might have the information you need
Most popular buses to and from Swansea and Carmarthen
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