Bus Tickets from Cardiff to Carmarthen

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TodayMay 3
from US$12
TomorrowMay 4
MonMay 5
TueMay 6
WedMay 7
ThuMay 8
FriMay 9
SatMay 10

Cheap buses leaving today

One passenger / one way

  • This trip is recommended because it is the: Cheapest + Fastest
    Departure time: May 3 at
    Departure city: Cardiff
    Departure location: Sophia Gardens
    Arrival time: May 3 at
    Destination city: Carmarthen
    Destination location: Lammas Street, outside the Boar’s Head
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: May 3 at
    Departure city: Cardiff
    Departure location: Sophia Gardens
    Arrival time: May 3 at
    Destination city: Carmarthen
    Destination location: Lammas Street, outside the Boar’s Head
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: May 3 at
    Departure city: Cardiff
    Departure location: Sophia Gardens
    Arrival time: May 3 at
    Destination city: Carmarthen
    Destination location: Lammas Street, outside the Boar’s Head
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: May 3 at
    Departure city: Cardiff
    Departure location: Sophia Gardens
    Arrival time: May 3 at
    Destination city: Carmarthen
    Destination location: Lammas Street, outside the Boar’s Head
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:

Last refresh of the prices: Last Sunday at 8:20 AM BST.

Prices and availability are subject to change.

Accepted payments

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Compare 3 ways to go from Cardiff to Carmarthen

Bus
Average PriceUS$12 - US$18Average Duration2h 10m
2kg CO₂e5 out of 5 stars
Most eco-friendly
Train
Average PriceUS$11 - US$61Average Duration1h 49m
2kg CO₂e5 out of 5 stars
Cheapest
Carpool
Average PriceUS$17 - US$17Average Duration1h 20m
4kg CO₂e4 out of 5 stars
Fastest
busbud logoBusbud recommends taking the bus from Cardiff to Carmarthen

Among the sustainable travel choices, the bus stands out as a good way to reach Carmarthen. The journey takes about 2 hours 10 minutes, and with fares starting at just US$12, it presents an excellent value for a comfortable ride.

1bus per day
2h 10mAverage Duration
US$12Cheapest ticket
2kgCO₂ emissions

Bus Cardiff to Carmarthen: Trip Overview

Average Ticket PriceUS$13
Average Bus Trip Duration2h 10m
Number of daily buses1
Earliest bus departure2:35pm
Distance88 km
Latest bus departure4:50pm

Cardiff to Carmarthen Bus

With Busbud, comparing and booking tickets for a bus from Cardiff to Carmarthen is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.

We make it our job to connect you with the most dependable bus companies that cover bus service from Cardiff to Carmarthen.

Discover how much the bus trip from Cardiff to Carmarthen will cost you. Use our filters and sorting features to find the cheapest bus tickets or luxury buses.

Frequently asked questions on the trip Cardiff - Carmarthen

  1. How long does it take to get to Carmarthen from Cardiff by bus?

    The trip from Cardiff to Carmarthen will take on average 2h 10m. If you're looking for the fastest way to get there, you'll find a bus doing the trip in about 2h 5m.

  2. What is the distance between Cardiff and Carmarthen?

    The distance between Cardiff and Carmarthen is around 89 km (55 miles).

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

    Buses traveling this route start their trip at Sophia Gardens, in Cardiff, and end it at Carmarthen Bus Stop (o/s Bus Stn), in Carmarthen.

  4. How much is the bus from Cardiff to Carmarthen?

    Taking the bus from Cardiff to Carmarthen costs on average US$13.

  5. Is it possible to do a day trip from Cardiff to Carmarthen?

    Yes, a day trip from Cardiff to Carmarthen is definitely doable. You can expect the round-trip to take approximately 4h 10m in total travel time. Before your trip, be sure to check the departure and arrival times to ensure you'll have ample time to explore Carmarthen.

Find cheapest prices for buses

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

Best price found
05-01
US$10
05-02
US$10
Today
US$10
05-04
US$10
05-05
US$11
05-06
US$10
05-07
No data
05-08
US$9
busbud logoThe cheapest trip from Cardiff to Carmarthen was searched and found on May 8, 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 Cardiff to Carmarthen, as early as possible.

You can expect to pay from US$9 to US$23 for a bus ticket from Cardiff to Carmarthen based on the last 2 days. You can expect to find the cheapest price for the trip at US$9 which is on 2025-05-08.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while travelling from Cardiff to Carmarthen.There is no better way to get inside travel information while exploring a new city than to go straight to its people.

From miles long of beauteous natural landscapes to impressive man-crafted sights, you’re bound to be in for a visual treat on your bus trip from Cardiff to Carmarthen.

Buses have one of the smallest carbon footprints of motorized transport modes. A bus going from Cardiff to Carmarthen will emit less CO2 than a car or an airplane.

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

Did you know?

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

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

Did you know there are on average 4,400 intercity bus departures every day in the US only? This number has been growing for 9 years in a row, yay!

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

busbud logoThe bus is the cheapest travel choice for this destination

Will you be returning to Cardiff by bus?

Bus from Cardiff to Carmarthen

You can also go to Carmarthen by train

Train from Cardiff to Carmarthen

Why choose Busbud?

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