Find coaches from Carmarthen to Swansea

Next departures

Next departures from Carmarthen to Swansea on 31 October
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
National Express
Lammas Street, outside the Boar’s Head
Swansea Bus Station, Stand ACheapestFastest
National Express
Lammas Street, outside the Boar’s Head
Swansea Bus Station, Stand BNo tags
National Express
Lammas Street, outside the Boar’s Head
Swansea Bus Station, Stand BNo tags
National Express
Lammas Street, outside the Boar’s Head
Swansea Bus Station, Stand ANo tags

Last refresh of the prices: Yesterday at 6:10 PM GMT.

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Compare 2 ways to travel from Carmarthen to Swansea

busbud logoWe recommend taking the bus

Among the sustainable travel choices, the bus stands out as a good way to reach Swansea. The journey takes about 50 minutes and with fares starting at just US$10, it presents an excellent value for a comfortable ride.

2bus per day
50mAverage duration
37 kmDistance
1kgCO₂ emissions
Bus
Average priceUS$10 - US$12Average duration50m
1kg CO₂e
Train
Average priceUS$19 - US$28Average duration49m
1kg CO₂e

Bus Carmarthen to Swansea: Trip Overview

Average ticket priceUS$11
Average bus trip duration50m
Number of daily buses2
Earliest bus departure08:25
Distance37 km
Latest bus departure10:55

Carmarthen to Swansea Bus

Busbud helps you find a bus from Carmarthen to Swansea. Get the best fare and schedule, book a round trip ticket or find buses with WiFi and electrical outlets.

Bus service from Carmarthen to Swansea will be provided by the most trusted bus companies.

From cheap bus tickets to more luxurious buses travelling from Carmarthen to Swansea, we offer a wide range of bus services to best suit your needs depending on how much your budget is.

Frequently asked questions on the trip Carmarthen - Swansea

  1. How much does a bus ticket from Carmarthen to Swansea cost?

    The bus ticket price from Carmarthen to Swansea starts at US$10. The best way to find cheap bus tickets from Carmarthen to Swansea is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

  2. How long is the bus ride from Carmarthen to Swansea?

    The average travel time between Carmarthen and Swansea is around 50m, although the fastest bus will take about 50m. This is the time it takes to travel the 37 km that separates the two cities.

  3. How many daily bus connections are there between Carmarthen and Swansea?

    The number of buses from Carmarthen to Swansea can differ depending on the day of the week. On average, there are 2 on this route. Some buses run direct routes, while others have layovers. Simplify your bus trip from Carmarthen to Swansea by comparing and selecting the bus that fits your travel style and budget on Busbud.

  4. Which bus companies travel from Carmarthen to Swansea?

    When taking the bus from Carmarthen to Swansea, you can travel comfortably and safely with National Express.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
28/10
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29/10
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Today
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31/10
US$9
01/11
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02/11
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03/11
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04/11
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busbud logoThe cheapest trip from Carmarthen to Swansea was searched and found on 31 Oct 2025 with a price of US$9

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Carmarthen to Swansea as early as possible.

You can expect to pay from US$9 to US$14 for a bus ticket from Carmarthen to Swansea based on the last 2 days. You can expect to find the cheapest price for the trip at US$9, which is on 2025-10-31.

About Bus Travel

Bus Travel Tips

Make friends with the driver. They usually know a lot about your destination and may even recommend which side of the bus to sit on to get the best views on the road between Carmarthen and Swansea!

Much more than a mere vehicle taking you from Carmarthen to Swansea, riding the bus will expose you to some of the most stunning panoramas while enroute to your final bus stop.

Taking the bus creates the smallest carbon footprint compared to other modes of transport. Not to mention that buses will allow you to discover scenic gems from Carmarthen to Swansea that are otherwise impossible to come by with a plane.

Make a music playlist for your bus ride from Carmarthen to Swansea, and enjoy the scenery to tunes from your own personal soundtrack.

Did you know?

It takes 27 hours to go by bus from Lima to Cusco, one of the craziest bus trips on the world. This route is used daily by locals and backpackers.

The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!

Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!

What's the cheapest way to go from Carmarthen to Swansea?

busbud logoThe bus is the cheapest travel choice for this destination

Will you be returning to Carmarthen by bus?

Bus from Swansea to Carmarthen

You can also go to Swansea by train

Train from Carmarthen to Swansea

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud helps you easily search, compare and book intercity bus tickets on a worlwide scale with our comprehensive list of bus routes and schedules. With several language and currency options available, Busbud seeks to cater to international bus travellers no matter where they are in the world. Busbud partners with safe and reliable bus companies throughout the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others so you can buy tickets without a worry.

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