Is there a way to reach Carmarthen from Cardiff without a car?

You can take a bus or a train to go from Cardiff to Carmarthen. The two options are practical and eco-friendly ways to reach Carmarthen. You can also use carpool services and share a car ride with other travelers.

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

On average, the trip from Cardiff to Carmarthen takes around 2h 10m, but you can get there in as little as 2h 5m with the fastest bus. This is the time it takes to travel the 55 miles (89 km) that separate the two cities.

What is the distance between Cardiff and Carmarthen?

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

What are the departure and arrival stations when taking the bus from Cardiff to Carmarthen?

If you're headed to Carmarthen from Cardiff, chances are that your bus will leave from Sophia Gardens and arrive at Carmarthen Bus Stop (o/s Bus Stn). These are the most popular pick-up and drop-off locations on this route, but you could find others that could be a better fit for your travel plans.

What is the ticket price for the bus trip from Cardiff to Carmarthen?

You can expect to pay around $13 for a bus ticket. In the past 30 days, prices have fluctuated between $12 and $18, so it's best to compare them to make sure you get the best deal.

Is it possible to take a day trip from Cardiff to Carmarthen?

Yes, a day trip from Cardiff to Carmarthen is definitely doable. The round-trip travel time is around 4h 10m. So you'll have plenty of time to discover Carmarthen before making your way back to Cardiff.

Cardiff to Carmarthen Bus Tickets

TodayMay 1

TomorrowMay 2

SatMay 3

from $10

SunMay 4

MonMay 5

TueMay 6

WedMay 7

ThuMay 8

Cheap buses leaving Saturday

One passenger / one way

This trip is recommended because it is: Cheapest + Fastest
Departure time: May 3 at 4:15pm
Departure city: Cardiff
Departure location: Sophia Gardens
Arrival time: May 3 at 6:20pm
Destination city: Carmarthen
Destination location: Lammas Street, outside the Boar’s Head
Operated by: National Express
Vehicle: BusDuration: 2h 5m
Departure time: May 3 at 2:35pm
Departure city: Cardiff
Departure location: Sophia Gardens
Arrival time: May 3 at 5:45pm
Destination city: Carmarthen
Destination location: Lammas Street, outside the Boar’s Head
Operated by: National Express
Vehicle: BusDuration: 3h 10m
Departure time: May 3 at 2:35pm
Departure city: Cardiff
Departure location: Sophia Gardens
Arrival time: May 3 at 5:45pm
Destination city: Carmarthen
Destination location: Lammas Street, outside the Boar’s Head
Operated by: National Express
Vehicle: BusDuration: 3h 10m
Departure time: May 3 at 4:15pm
Departure city: Cardiff
Departure location: Sophia Gardens
Arrival time: May 3 at 6:20pm
Destination city: Carmarthen
Destination location: Lammas Street, outside the Boar’s Head
Operated by: National Express
Vehicle: BusDuration: 2h 5m

Accepted payments

Compare 3 ways to go from Cardiff to Carmarthen.

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$12 - $18	Average Duration2h 10m	CO₂ emissions 2kg CO₂e5 out of 5 stars	Most eco-friendly
Train	Average Price$11 - $61	Average Duration1h 49m	CO₂ emissions 2kg CO₂e5 out of 5 stars	Cheapest
Carpool	Average Price$17 - $17	Average Duration1h 20m	CO₂ emissions 4kg CO₂e4 out of 5 stars	Fastest

Busbud recommends taking the bus from Cardiff to Carmarthen

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

1bus per day

2h 10mAverage Duration

$12Cheapest ticket

2kgCO₂ emissions

Bus Cardiff to Carmarthen: Trip Overview

Average ticket price$13

Average bus trip duration2h 10m

Number of daily buses1

Earliest bus departure2:35pm

Distance55 miles (88 km)

Latest bus departure4:50pm

Compare bus companies

National Express

4/529,159 reviews

Staff4.7

Timeliness4

Cleanliness4.7

Wifi3.4

Based on 29159 reviews, the company was rated 4.2 stars on Busbud. Travelers were especially satisfied with the ticket access and the staff but often complained with the wifi. National Express ticket prices on this trip start at $12.00

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.

January 3, 2020

excellent service

Mark C.

October 1, 2020

Infobus

4/5464 reviews

Staff4.7

Timeliness4.7

Cleanliness4.8

Wifi3.7

GB bus companies: FlixBus, BlaBlaCar Bus, National Express, Sindbad, RegioJet, FlixTrain, KLR Bus

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.

Where are the popular stops in Cardiff and Carmarthen?

Stops in Cardiff

A - Sophia Gardens

B - Cardiff University (o/s Cathays Rail Stn)

C - Cardiff - Castle Street Bus Stop

D - National Museum

E - Cardiff Coach Station - Sophia Gardens

F - Cardiff Bus Stop - Westgate

Stops in Carmarthen

A - Carmarthen Bus Stop (o/s Bus Stn)

Frequently asked questions for your trip Cardiff - Carmarthen

Is there a way to reach Carmarthen from Cardiff without a car?
How long does it take to get to Carmarthen from Cardiff by bus?
What is the distance between Cardiff and Carmarthen?
What are the departure and arrival stations when taking the bus from Cardiff to Carmarthen?
What is the ticket price for the bus trip from Cardiff to Carmarthen?
Is it possible to take a day trip from Cardiff to Carmarthen?

Find cheapest prices for buses

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

Best price found

04/29

$10

04/30

$10

Today

$10

05/02

$10

05/03

$10

05/04

$10

05/05

$11

05/06

$10

The cheapest trip from Cardiff to Carmarthen was searched and found on May 2, 2025 with a price of $10

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 $10 to $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 $10 which is on 2025-05-02.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while traveling 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?

The bus is the cheapest travel choice for this destination

Vehicle Type	Travel Time	Avg Price	Daily Departures
Vehicle TypeBus	Travel Time2h 10m	Avg Price$13	Daily Departures1
Vehicle TypeTrain	Travel Time1h 49m	Avg Price$20	Daily Departures9
Vehicle TypeCarpool	Travel Time1h 20m	Avg Price$17	Daily Departures1

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

Top traveled bus routes

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Bus Tickets from Cardiff to Carmarthen