- Must visit
Carmarthenshire Museum
The county museum in a former bishop’s palace, covering Roman finds, local history and changing displays in an atmospheric setting.
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 coaches from Swansea to Carmarthen
Showing times and prices for 03 Aug
Cheapest price
£9
Average price
£10
Fastest journey
45 m
Average duration
45 m
Buses per day
2
Distance
36 km
Cheap tickets
The best way to find a cheap coach ticket from Swansea to Carmarthen is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Swansea to Carmarthen 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 Swansea for Carmarthen 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 45 m but if you time it right, some buses will get you there in just 45 m .
The slowest buses will take 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.
NX50817:000h45Swansea, Quadrant Bus Station17:45Carmarthen, Lammas Street (Rose and Crown Hotel)£91One-way0 changes- NX11218:150h45Swansea, Quadrant Bus Station19:00Carmarthen, Lammas Street (Rose and Crown Hotel)£101One-way0 changes
- NX50817:000h45Swansea, Quadrant Bus Station17:45Carmarthen, Lammas Street (Rose and Crown Hotel)£91One-way0 changes
- NX11218:150h45Swansea, Quadrant Bus Station19:00Carmarthen, Lammas Street (Rose and Crown Hotel)£101One-way0 changes
Travel Information
Compare train and coach for Swansea to Carmarthen
Omio recommends booking the train as it is the most popular option from Swansea to Carmarthen among Omio's users. If you are prioritising price take the train with prices starting from £4. For those with little time consider booking a train which can get you there in 47m. 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 train costs an average of £4, and a coach costs an average of £8.
Distance: 36 km
Compare bus with
| Coach | Most popular Train |
|---|---|
£9 Average Price | £9 Average Price Cheapest |
1h 28m Average total duration 58m Onboard + 30m Additional time* | 1h 17m Average total duration Fastest 47m 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
Swansea to Carmarthen bus times
The table below shows live departures for Swansea to Carmarthen 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 |
|---|---|---|---|---|---|
| NX508 | 17:00 Swansea, Quadrant Bus Station | 0h45 | 17:45 Carmarthen, Lammas Street (Rose and Crown Hotel) | 0 changesdirect | |
| NX112 | 18:15 Swansea, Quadrant Bus Station | 0h45 | 19:00 Carmarthen, Lammas Street (Rose and Crown Hotel) | 0 changesdirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Swansea to Carmarthen 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.
Mon
03 Aug
03 Aug
Tue
04 Aug
04 Aug
Wed
05 Aug
05 Aug
Thu
06 Aug
06 Aug
Fri
07 Aug
07 Aug
Sat
08 Aug
08 Aug
Sun
09 Aug
09 Aug
Why should you book Swansea to Carmarthen coaches with Omio?
National Express operates all coaches services from Swansea to Carmarthen.
Omio is an official ticket reseller for all your travel options from Swansea to Carmarthen.
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 Swansea to Carmarthen.
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 Swansea to Carmarthen.
Journey information
Overview: Bus from Swansea to Carmarthen
United KingdomUnited Kingdom
Buses from Swansea to Carmarthen run on average 2 times per day, taking around 58m. Cheap bus tickets for this journey start at £8 but you can travel from only £4 by train.
There are 2 coaches per day. The earliest coach runs at 00:12, the last at 23:44. The fastest coach covers the 36 km distance in 45m.
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 58m |
Cheapest ticket price £8 |
Buses per day 2 |
Direct buses 2 |
Fastest bus 45m |
First bus 0:12 |
Last bus 23:44 |
Cheapest Month Dec |
Cheapest Day Tue |
High Season Jan - Mar |
Low Season Oct - Dec |
Busiest Day Thu |
Least Busy Day Sun |
Best time to book 1 day |
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 Swansea to CarmarthenYou can travel by bus between Swansea to Carmarthen 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
45m
Cheapest Price
£8
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 Carmarthen
Things to do in Carmarthen
Discover the best of Carmarthen — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Carmarthen trip today.
- Recommended
Carmarthen Roman Amphitheatre Museum
Small museum on the old Roman amphitheatre site, introducing Roman Moridunum and the archaeology of early Carmarthen.
- Recommended
Dylan Thomas Boathouse and Writing Shed
Museum telling the story of Dylan Thomas and his family in a restored chapel, with exhibits on writing, broadcasting and local roots.
- Must visit
Carmarthen Park
Large public park with formal gardens, play areas, riverside walks and a hilltop monument, ideal for a relaxed break near the centre.
- Recommended
King Street
Historic market quarter with independent shops, old arcades and everyday town life, good for browsing and seeing central Carmarthen on foot.
- Recommended
Parc y Belyn
Riverside green space and woodland paths beside the Towy, popular for walking, wildlife watching and easy access from the town centre.
- Gluten-free
Cawl
Traditional Welsh broth made with lamb or beef, root vegetables and leeks. A staple of rural west Wales, valued for its hearty, slow-cooked flavour.
- Vegetarian
Bara Brith
A rich fruit loaf or tea bread with dried fruit and spices, commonly sliced and served with butter. Long associated with Welsh baking and teatime.
- Vegetarian
Welsh Cakes
Small oatcakes cooked on a bakestone, often split and toasted with butter or cheese. A traditional Welsh breakfast and teatime bread.
The Warren
Popular casual restaurant known for burgers, brunch and modern comfort food in a lively town-centre setting.
The Corries
Stylish restaurant and bar serving modern British dishes, cocktails and varied seasonal plates in an elegant atmosphere.
The Old Moathouse
Well-known traditional pub with classic Welsh and British meals, local ales and a relaxed historic setting.
Pound sterling (£)
Moderate for the UK. Hotels and dining are usually cheaper than in Cardiff or London, while local transport and everyday costs stay fairly manageable for visitors.
Average meal costs
- Budget
- £8-12 for a budget meal.
- Mid-range
- £18-30 per person for a mid-range meal.
- Fine dining
- £45+ per person for fine dining.
- Coffee
- £2.80-4 for a coffee.
Tipping culture
Tipping is modest. In restaurants, 10-12.5% is appreciated if service is not included. Round up taxi fares, and tipping in cafés is optional.
TrawsCymru
Get the appOfficial public transport app
Prices
- Single ticket
- £4
- Day pass
- £7
To the city centre
Carmarthen, Lammas Street (Rose and Crown Hotel) -> Carmarthen Bus Station
- Distance
- 400 m
- Travel time
- 5 min
- TrawsCymru adult day tickets are £7 from 1 February 2026 and cover multiple listed TrawsCymru routes, including T1C between Carmarthen and Aberystwyth.
- TrawsCymru buses accept contactless payment on board. For short trips in central Carmarthen, walking to Carmarthen Bus Station is usually quickest.
FAQs: Swansea to Carmarthen coach
Find answers to the most common questions about traveling from Swansea to Carmarthen 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 Carmarthen, this guide helps you travel smarter and with confidence.
Cheap coach tickets from Swansea to Carmarthen can start from as little as £8 when you book in advance. The average coach ticket price for Swansea to Carmarthen 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 Swansea to Carmarthen is 45m 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 Swansea to Carmarthen leaves at 0:12. Plan your trip with the Journey Planner from Omio.
The latest coach from Swansea to Carmarthen leaves at 23:44.
Yes, there are 2 direct coaches a day from Swansea to Carmarthen with National Express. Schedules can vary on holidays or weekends with fewer direct coaches.
When taking a coach from Swansea to Carmarthen, you can count on National Express for the best way to get you to Carmarthen. You can also check all possible coach companies who offer a service between Swansea and Carmarthen and compare the amenities they offer before buying a coach ticket.
Passengers board the coach most frequently from Swansea, Quadrant Bus Station, which is located around away from the city centre, and they get off the coach at Carmarthen, Lammas Street (Rose and Crown Hotel), located 0 away from the city centre.
A day trip to Carmarthen from Swansea is worth doing with a journey time of 45m each way. Check with Omio app the best way to travel.
The cheapest month for a coach from Swansea to Carmarthen is December.
It's helpful to compare your options as there are 2 ways to travel between Swansea and Carmarthen including taking a train and coach.
Yes, there are bathrooms on board the coach from Swansea to Carmarthen for coach company National Express.
Yes, the following accessibility options are available when taking the coach from Swansea to Carmarthen:
- National Express
- Assistance
- Priority seating
- Accessible toilets.
Whether you can cancel your coach ticket from Swansea to Carmarthen 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 Swansea to Carmarthen.
Yes, the following luggage options are included when booking a coach ticket from Swansea to Carmarthen:
- 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 Swansea to Carmarthen:
- National Express
- 10€ per additional bag.
Unfortunately, pets are not allowed on the coach from Swansea to Carmarthen.
You can reserve your seat on the coach from Swansea to Carmarthen with the following coach company: National Express
Yes, there are USB plugs on board the coach from Swansea to Carmarthen with the following coach company: National Express.
Yes, there is Wifi on board the coach from Swansea to Carmarthen with the following coach company: National Express.
popular bus stations
Important Stations and Airports in Swansea and Carmarthen
Most Swansea to Carmarthen buses use the Swansea, Quadrant Bus Station to Carmarthen, Lammas Street (Rose and Crown Hotel) station pair. Use this guide to compare Swansea and Carmarthen bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Departure bus stations in Swansea
Arrival bus stations in Carmarthen
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
Which Carmarthen station do buses from Swansea arrive at?
Buses from Swansea to Carmarthen arrive at Carmarthen, Lammas Street (Rose and Crown Hotel). Carmarthen, Lammas Street (Rose and Crown Hotel) is from Carmarthen city centre.
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.
Most popular bus connections from Swansea
More options for your journey from Swansea to Carmarthen
Here are some other resources that might have the information you need
Most popular buses to and from Carmarthen and Swansea
Most popular bus connections
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.
