Bus Tickets from Carmarthen to Cardiff

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TodayJun 20
TomorrowJun 21
from US$12
SunJun 22
MonJun 23
TueJun 24
WedJun 25
ThuJun 26
FriJun 27

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest + Fastest
    Departure time: June 21 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: June 21 at
    Destination city: Cardiff
    Destination location: Sophia Gardens
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: June 21 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: June 21 at
    Destination city: Cardiff
    Destination location: Sophia Gardens
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: June 21 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: June 21 at
    Destination city: Cardiff
    Destination location: Sophia Gardens
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: June 21 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: June 21 at
    Destination city: Cardiff
    Destination location: Sophia Gardens
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:
  • Departure time: June 21 at
    Departure city: Carmarthen
    Departure location: Lammas Street, outside the Boar’s Head
    Arrival time: June 21 at
    Destination city: Cardiff
    Destination location: Sophia Gardens
    Operated by: National ExpressNational Express
    Vehicle: BusDuration:

Last refresh of the prices: Today at 10:58 AM BST.

Prices and availability are subject to change.

Accepted payments

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Compare 3 ways to go from Carmarthen to Cardiff

Bus
Average PriceUS$11 - US$18Average Duration2h 25m
2kg CO₂e5 out of 5 stars
CheapestMost eco-friendly
Train
Average PriceUS$11 - US$61Average Duration1h 53m
2kg CO₂e5 out of 5 stars
Carpool
Average PriceUS$12 - US$12Average Duration1h 20m
4kg CO₂e4 out of 5 stars
Fastest
busbud logoBusbud recommends carpooling from Carmarthen to Cardiff

Among the sustainable travel choices, the carpool stands out as a good way to reach Cardiff. The journey takes about 1 hour 20 minutes, and with fares starting at just US$12, it presents an excellent value for a comfortable ride.

1carpool per day
1h 20mAverage Duration
US$12Cheapest ticket
4kgCO₂ emissions

Bus Carmarthen to Cardiff: Trip Overview

Average Ticket PriceUS$14
Average Bus Trip Duration2h 25m
Number of daily buses2
Earliest bus departure8:35am
Distance88 km
Latest bus departure10:55am

Carmarthen to Cardiff Bus

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

We make sure you can find a bus service from Carmarthen to Cardiff from the most reliable bus companies operating this trip.

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

Frequently asked questions on the trip Carmarthen - Cardiff

  1. What is the distance between Carmarthen and Cardiff?

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

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

    Buses departing from Carmarthen Bus Stop (o/s Bus Stn) in Carmarthen will take you to Sophia Gardens in Cardiff.

Find cheapest prices for buses

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

Best price found
06-18
US$10
06-19
US$10
Today
US$10
06-21
US$10
06-22
US$10
06-23
US$10
06-24
US$9
06-25
US$10
busbud logoThe cheapest trip from Carmarthen to Cardiff was searched and found on Jun 24, 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 Cardiff, as early as possible.

You can expect to pay from US$9 to US$23 for a bus ticket from Carmarthen to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at US$9 which is on 2025-06-24.

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 Cardiff!

Start sightseeing the minute your bus leaves the station. If you're on the night bus from Carmarthen to Cardiff, get comfy and count the stars.

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

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

Did you know?

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!

The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

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.

Will you be returning to Carmarthen by bus?

Bus from Carmarthen to Cardiff

You can also go to Cardiff by train

Train from Carmarthen to Cardiff

Why choose Busbud?

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