- Must visit
National Waterfront Museum
Major waterfront museum covering Wales's industrial and maritime story with interactive galleries in a landmark copper-smelting area.
Cheapest price
$12
Average price
$13
Fastest journey
50 m
Average duration
50 m
Buses per day
2
Distance
36 km
The best way to find a cheap bus ticket from Carmarthen to Swansea is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Carmarthen to Swansea will cost around $13 if you buy it on the day, but the cheapest tickets can be found for only $12.
Of the 2 buses that leave Carmarthen for Swansea on Mon, Aug 03, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Aug 03 the 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 .
On Mon, Aug 03 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.
NX508
NX112
NX508
NX112Buses from Carmarthen to Swansea run on average 3 times per day, taking around 59m. Cheap bus tickets for this journey start at $9 but you can travel from only $6 by train.
There are 2 buses per day. The earliest bus runs at 00:05, the last at 23:55. The fastest bus covers the 22 miles (36 km) distance in 50m.
Distance 22 miles (36 km) |
Average bus duration 59m |
Cheapest ticket price $9 |
Buses per day 3 |
Direct buses 2 |
Fastest bus 50m |
First bus 12:05 AM |
Last bus 11:55 PM |
Cheapest Month Aug |
Cheapest Day Thu |
High Season Jan - Mar |
Low Season Jul - Sep |
Busiest Day Wed |
Least Busy Day Mon |
Best time to book 7 days |
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator National Express | Departure Time 07:40AM | Arrival Time 08:35AM | Duration 0h55 | Departure days Fri | Cheapest price $13 |
Operator National Express | Departure Time 09:50AM | Arrival Time 10:40AM | Duration 0h50 | Departure days Mon, Wed, Sat, Sun | Cheapest price $13 |
Operator National Express | Departure Time 09:55AM | Arrival Time 10:45AM | Duration 0h50 | Departure days Tue, Thu, Fri | Cheapest price $12 |
Operator National Express | Departure Time 10:55AM | Arrival Time 11:45AM | Duration 0h50 | Departure days Everyday | Cheapest price $11 |
The table below shows live departures for Carmarthen to Swansea buses for tomorrow, Monday, August 3. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
NX112 | 9:50 AM Carmarthen, Lammas Street (Rose and Crown Hotel) | 0h50 | 10:40 AM Swansea, Quadrant Bus Station | 0 transfersDirect | |
NX508 | 10:55 AM Carmarthen, Lammas Street (Rose and Crown Hotel) | 0h50 | 11:45 AM Swansea, Quadrant Bus Station | 0 transfersDirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Discover the best of Swansea — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Swansea trip today.
Major waterfront museum covering Wales's industrial and maritime story with interactive galleries in a landmark copper-smelting area.
Excellent local museum on Swansea's history, Egyptology, natural history, and ceramics, housed in an elegant city-centre building.
Contemporary art centre presenting changing exhibitions by Welsh and international artists in a bright, modern waterfront space.
Wide sandy bay backed by a long promenade, ideal for walking, cycling, sunsets, and classic views across Swansea Bay.
Historic fishing village turned lively seaside district, loved for the pier, independent shops, sea views, and access to coastal walks.
Dramatic clifftop path section on Gower with famous views over Three Cliffs Bay, perfect for hikers and photographers.
A rich Welsh fruit loaf packed with dried fruit and tea-soaked flavor, traditionally sliced and served with butter at tea time.
A traditional Welsh seaweed puree, often served with oats and laverbread cakes. It is a signature food of the Swansea Bay coastline.
Welsh cheddar melted with ale and mustard on toast. This comforting pub classic is strongly associated with Welsh home cooking.
Popular casual spot for quality Welsh ice cream and desserts on Mumbles seafront, loved for local flavor and sea views nearby.
Well-regarded waterfront restaurant known for modern British cooking, seafood, and polished service in a smart contemporary setting.
Historic market venue famous for traditional Welsh breakfast, laverbread, and cockles in a lively local atmosphere.
Moderate for the UK: hotels and dining are usually cheaper than London, while buses, cafes, and casual meals stay fairly affordable for tourists.
Tipping is optional. In restaurants, 10-12.5% is polite if service is not included. Round up taxi fares; cafes usually only get small change or none.
Official public transport app
Swansea University Bay Campus -> Swansea Bus Station
Find answers to the most common questions about traveling from Carmarthen to Swansea 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 Swansea, this guide helps you travel smarter and with confidence.

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.
Carmarthen, Lammas Street (Rose and Crown Hotel) has practical services for this route, including Accessibility.
Accessibility facilities are available at Carmarthen, Lammas Street (Rose and Crown Hotel): The place has an entrance that is wheelchair-accessible.
Here are some other resources that might have the information you need