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

Both buses and trains are available for traveling between these two cities. Both are practical and sustainable ways to travel to Cardiff. You can also use carpool services and share a car ride with other travelers.

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

Traveling from Carmarthen to Cardiff takes about 2h 25m on average, but you can get there in as little as 2h 25m with the quickest bus. This is the time it takes to travel the 55 miles (89 km) that separate the two cities.

What is the distance between Carmarthen and Cardiff?

Carmarthen and Cardiff are 55 miles (89 km) apart.

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

If you're headed to Cardiff from Carmarthen, chances are that your bus will depart from Carmarthen Bus Stop (o/s Bus Stn) and arrive at Sophia Gardens. These are the main departure and arrival locations on this route, but you can find others that could fit better into your travel plans.

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

The bus ticket costs $14 on average. In the last 30 days, the prices ranged from $12 to $18, so it's good to do your research before booking.

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

Yes, a day trip from Carmarthen to Cardiff is definitely doable. The total travel time for the round-trip is about 4h 50m. So you'll have plenty of time to discover Cardiff before making your way back to Carmarthen.

What are the best sights and things to do in Cardiff?

Once in Cardiff, you can start exploring the city and discover its surroundings. The top sights and things to do are Brecon Beacons National Park, Cardiff Castle, Cardiff International White Water, Castell Coch (Red Castle) and Wales Millennium Centre.

Carmarthen to Cardiff Bus Tickets

TomorrowMay 7

ThuMay 8

from $10

FriMay 9

SatMay 10

SunMay 11

MonMay 12

TueMay 13

WedMay 14

Cheap buses leaving Thursday

One passenger / one way

This trip is recommended because it is: Cheapest + Fastest
Departure time: May 8 at 8:50am
Departure city: Carmarthen
Departure location: Lammas Street, outside the Boar’s Head
Arrival time: May 8 at 11:15am
Destination city: Cardiff
Destination location: Sophia Gardens
Operated by: National Express
Vehicle: BusDuration: 2h 25m
Departure time: May 8 at 8:50am
Departure city: Carmarthen
Departure location: Lammas Street, outside the Boar’s Head
Arrival time: May 8 at 11:15am
Destination city: Cardiff
Destination location: Sophia Gardens
Operated by: National Express
Vehicle: BusDuration: 2h 25m
Departure time: May 8 at 10:55am
Departure city: Carmarthen
Departure location: Lammas Street, outside the Boar’s Head
Arrival time: May 8 at 1:30pm
Destination city: Cardiff
Destination location: Sophia Gardens
Operated by: National Express
Vehicle: BusDuration: 2h 35m
Departure time: May 8 at 10:55am
Departure city: Carmarthen
Departure location: Lammas Street, outside the Boar’s Head
Arrival time: May 8 at 1:30pm
Destination city: Cardiff
Destination location: Sophia Gardens
Operated by: National Express
Vehicle: BusDuration: 2h 35m

Accepted payments

Compare 3 ways to go from Carmarthen to Cardiff.

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$12 - $18	Average Duration2h 25m	CO₂ emissions 2kg CO₂e5 out of 5 stars	Most eco-friendly
Train	Average Price$11 - $61	Average Duration1h 53m	CO₂ emissions 2kg CO₂e5 out of 5 stars	Cheapest
Carpool	Average Price$12 - $12	Average Duration1h 20m	CO₂ emissions 4kg CO₂e4 out of 5 stars	Fastest

Busbud recommends carpooling from Carmarthen to Cardiff

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

1carpool per day

1h 20mAverage Duration

$12Cheapest ticket

4kgCO₂ emissions

Bus Carmarthen to Cardiff: Trip Overview

Average ticket price$14

Average bus trip duration2h 25m

Number of daily buses2

Earliest bus departure8:35am

Distance55 miles (88 km)

Latest bus departure10:55am

Compare bus companies

National Express

4/529,167 reviews

Staff4.7

Timeliness4

Cleanliness4.7

Wifi3.4

Based on 29167 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 Carmarthen Cardiff recent customer reviews

nd friendly driver

Anne M.

November 2, 2022

Excellent our driver was very informative and sociable

Janet J.

December 5, 2021

Brilliant service

Ann W.

December 14, 2019

Infobus

4/5465 reviews

Staff4.7

Timeliness4.7

Cleanliness4.8

Wifi3.7

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

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.

Where are the popular stops in Carmarthen and Cardiff?

Stops in Carmarthen

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

Stops in Cardiff

A - Sophia Gardens

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

C - Cardiff - Castle Street Bus Stop

D - Cardiff Coach Station - Sophia Gardens

E - National Museum

F - Cardiff Bus Stop - Westgate

Frequently asked questions for your trip Carmarthen - Cardiff

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

05/04

$10

05/05

$11

Today

$10

05/07

No data

05/08

$10

05/09

$10

05/10

$10

05/11

$10

The cheapest trip from Carmarthen to Cardiff was searched and found on May 9, 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 Carmarthen to Cardiff, as early as possible.

You can expect to pay from $10 to $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 $10 which is on 2025-05-09.

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

Top traveled bus routes

Why choose Busbud?

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Bus Tickets from Carmarthen to Cardiff