Find coaches from Carmarthen to Cardiff

Next departures

Next departures from Carmarthen to Cardiff on 1 November
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
National Express
Lammas Street, outside the Boar’s Head
Sophia GardensCheapestFastest
National Express
Lammas Street, outside the Boar’s Head
Sophia GardensNo tags
National Express
Lammas Street, outside the Boar’s Head
Sophia GardensNo tags
National Express
Lammas Street, outside the Boar’s Head
Sophia GardensNo tags

Last refresh of the prices: Last Wednesday at 10:00 AM GMT.

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Compare 3 ways to travel from Carmarthen to Cardiff

busbud logoWe recommend carpooling

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
89 kmDistance
4kgCO₂ emissions
Bus
Average priceUS$12 - US$19Average duration2h 30m
2kg CO₂e
Train
Average priceUS$11 - US$59Average duration1h 55m
2kg CO₂e
Carpool
Average priceUS$12 - US$12Average duration1h 20m
4kg CO₂e

Bus Carmarthen to Cardiff: Trip Overview

Average ticket priceUS$16
Average bus trip duration2h 30m
Number of daily buses2
Earliest bus departure08:25
Distance88 km
Latest bus departure10:55

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

    The bus ticket price from Carmarthen to Cardiff starts at US$12. The best way to find cheap bus tickets from Carmarthen to Cardiff 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 Cardiff?

    The average travel time between Carmarthen and Cardiff is around 2h 30m, although the fastest bus will take about 2h 30m. This is the time it takes to travel the 89 km that separates the two cities.

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

    The number of buses from Carmarthen to Cardiff 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 Cardiff by comparing and selecting the bus that fits your travel style and budget on Busbud.

  4. Which bus companies travel from Carmarthen to Cardiff?

    When taking the bus from Carmarthen to Cardiff, 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
29/10
US$12
30/10
US$12
Today
US$12
01/11
US$14
02/11
US$12
03/11
No data
04/11
No data
05/11
No data
busbud logoThe cheapest trip from Carmarthen to Cardiff was searched and found on 02 Nov 2025 with a price of US$12

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$12 to US$25 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$12, which is on 2025-11-02.

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 the smallest carbon footprint of all motorized transport modes. A bus going from Carmarthen to Cardiff will emit half the CO2 emitted by a train, and radically less 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 Cardiff to Carmarthen

You can also go to Cardiff by train

Train from Carmarthen to Cardiff

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

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