Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Sophia Gardens | Lammas Street, outside the Boar’s Head | CheapestFastest | ||||
| Bus | Sophia Gardens | Lammas Street, outside the Boar’s Head | No tags |
Last refresh of the prices: Last Saturday at 19:16 GMT.
Compare 2 ways to travel 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 £9, it presents an excellent value for a comfortable ride.
Compare bus companies
Based on 29718 reviews, the company was rated 4.2 stars on Busbud. Travellers were especially satisfied with the ticket access and the staff but often complained with the Wi-Fi. National Express ticket prices on this trip start at £9
National Express Cardiff Carmarthen recent customer reviews
The service was great better on the way back had more i information. Where chargers were situated etc. The waiting times are long and after an hour and a half wait then the connection being delayed a further 45 mins it was rather annoying.
Julia J.
excellent service
Mark C.
Where are the popular stops in Cardiff and Carmarthen?
Frequently asked questions about travelling by bus from Cardiff to Carmarthen
How far is Carmarthen from Cardiff by coach?
The distance between Cardiff and Carmarthen by coach is approximately 55 miles (89 km).
What is the best way to go from Cardiff to Carmarthen without a car?
The best way to go from Cardiff to Carmarthen without a car is by coach. They are frequent and reliable, offering a convenient and eco-friendly journey. You can also consider rideshare services depending on your preferences.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Cardiff to Carmarthen was searched and found on 21 Nov 2025 with a price of £8To 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 £8 to £17 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 £8, which is on 2025-11-21.
