Bus Tickets from Carmarthen to Swansea

Find affordable bus tickets from Carmarthen to Swansea with flexible options. Book your trip now

Join 75M+ travelers booking 2M+ routes across 85+ countries.
Enjoy our 24/7 customer service to assist you at every step.
Cancel anytime and receive a 100% refund, no reason needed.
TodayMay 16
TomorrowMay 17
from US$10
SunMay 18
MonMay 19
TueMay 20
WedMay 21
ThuMay 22
FriMay 23

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: May 17 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: May 17 at
    Destination city: Swansea
    Destination location: Swansea Bus Station, Stand A
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: May 17 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: May 17 at
    Destination city: Swansea
    Destination location: Swansea Bus Station, Stand B
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: May 17 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: May 17 at
    Destination city: Swansea
    Destination location: Swansea Bus Station, Stand B
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: May 17 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: May 17 at
    Destination city: Swansea
    Destination location: Swansea Bus Station, Stand B
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: May 17 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: May 17 at
    Destination city: Swansea
    Destination location: Swansea Bus Station, Stand A
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:

Last refresh of the prices: Today at 6:42 AM BST.

Prices and availability are subject to change.

Accepted payments

  • Visa
  • MasterCard
  • American Express
  • China Union Pay
  • Diners Club Canada
  • Discover Click to Pay
  • JCB payment
  • Klarna (Pay over time)
  • Google Pay

Compare 2 ways to go from Carmarthen to Swansea

Bus
Average PriceUS$10 - US$11Average Duration50m
1kg CO₂e5 out of 5 stars
CheapestMost eco-friendly
Train
Average PriceUS$19 - US$29Average Duration48m
1kg CO₂e5 out of 5 stars
Fastest
busbud logoBusbud recommends taking the bus from Carmarthen to Swansea

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
US$10Cheapest ticket
1kgCO₂ emissions

Bus Carmarthen to Swansea: Trip Overview

Average Ticket PriceUS$11
Average Bus Trip Duration50m
Number of daily buses2
Earliest bus departure8:35am
Distance37 km
Latest bus departure10:55am

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 long is the bus ride from Carmarthen to Swansea?

    The bus ride from Carmarthen to Swansea takes 50m, on average. If you're looking for the fastest way to get there, you'll find a bus doing the trip in about 50m.

  2. How far is Carmarthen from Swansea?

    The distance between Carmarthen and Swansea is approximately 37 km (23 miles).

  3. What are the departure and arrival locations for buses traveling from Carmarthen to Swansea?

    Buses departing from Carmarthen Bus Stop (o/s Bus Stn) in Carmarthen will take you to Swansea University - Bay Campus in Swansea.

  4. What is the cheapest way to travel from Carmarthen to Swansea?

    Taking the bus is the cheapest option to travel from Carmarthen to Swansea. With a starting ticket price of US$10, this bus becomes your top pick for this journey.

  5. How much does it cost to take the bus from Carmarthen to Swansea?

    You can expect to pay around US$11 for the bus ride from Carmarthen to Swansea.

  6. Can you take a day trip from Carmarthen to Swansea?

    Yes, a day trip from Carmarthen to Swansea is definitely doable. The round-trip travel time is approximately 1h 40m. Before booking, make sure to check the departure and arrival times to ensure you'll have enough time to explore Swansea.

Find cheapest prices for buses

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

Best price found
05-14
US$8
05-15
US$8
Today
US$8
05-17
US$8
05-18
US$8
05-19
US$8
05-20
US$8
05-21
US$8
busbud logoThe cheapest trip from Carmarthen to Swansea was searched and found on May 21, 2025 with a price of US$8

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$8 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$8 which is on 2025-05-21.

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 Carmarthen to Swansea

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.

People from around the world trust Busbud

‌

Popular Buses Connecting Carmarthen

Buses Leaving from Carmarthen

Buses Going to Carmarthen

Popular Buses Connecting Swansea

Buses Leaving from Swansea

Buses Going to Swansea