Trains tickets from Carmarthen to Cardiff

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TodayApr 28
TomorrowApr 29
WedApr 30
from $11
ThuMay 1
FriMay 2
SatMay 3
from $11
SunMay 4
from $11
MonMay 5

Trains leaving Wednesday

One passenger / one way

  • This trip is recommended because it is: Cheapest
    Departure time: April 30 at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: April 30 at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • This trip is recommended because it is: Fastest
    Departure time: April 30 at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: April 30 at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Transport for WalesTransport for Wales
    Vehicle: TrainDuration:
  • Departure time: April 30 at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: April 30 at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: April 30 at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: April 30 at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Transport for WalesTransport for Wales
    Vehicle: TrainDuration:
  • Departure time: April 30 at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: April 30 at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:

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Compare 3 ways to go from Carmarthen to Cardiff.

Bus
Average Price$12 - $18Average Duration2h 25m
2kg CO₂e5 out of 5 stars
Most eco-friendly
Train
Average Price$11 - $61Average Duration1h 53m
2kg CO₂e5 out of 5 stars
Cheapest
Carpool
Average Price$12 - $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 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

Train Carmarthen to Cardiff: Trip Overview

Please note, this information is subject to change.

Average ticket price$20
Average train trip duration1h 53m
Number of daily trains8
Earliest train departure7:23am
Distance55 miles (88 km)
Latest train departure10:41pm

Carmarthen to Cardiff Train

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

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

Discover how much the train trip from Carmarthen to Cardiff will cost you. Use our filters and sorting features to find the cheapest train tickets or high-end trains.

Frequently asked questions for your trip Carmarthen - Cardiff

Find cheapest prices for trains

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

Best price found
04/26
$11
04/27
$11
Today
$11
04/29
$11
04/30
$11
05/01
No data
05/02
$11
05/03
$11
busbud logoThe cheapest trip from Carmarthen to Cardiff was searched and found on Apr 27, 2025 with a price of $11

To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Carmarthen to Cardiff, as early as possible.

You can expect to pay from $11 to $58 for a train ticket from Carmarthen to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at $11 which is on 2025-04-30.

About Train Travel

Train Travel Tips

There are many train stations in the world, check it station pages on Busbud to get all information you need.

Regional train? High-speed train? Whichever train to Cardiff you take, you’ll help reduce the environmental impact and carbon footprint of your trip. As you watch the landscapes unfold before your eyes, you can tell yourself that with this choice, you are making sure they remain protected.

With up to 30x less CO2 emissions for your train journey between Carmarthen and Cardiff, the train is an ecological alternative to flights or personal cars.

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

Did you know?

The magnetic levitation train (Maglev for short) is currently the fastest train in the world. With a speed of 603 km/ h, it is closely followed by the French high-speed train (574.8 km / h) which remains in 2020, the fastest train to date

One of the deepest train stations in the world is in Kiev. Located at a depth of 105 m, it was designed in this way to serve as a shelter in the event of an attack. The second deepest station is in China. Badaling station is located 60 m under the Great Wall of China!

Japanese trains are always on time, it is extremely infrequent to see breakdowns during peak periods. In the event of a delay of more than 5 minutes, the crew will personally apologize to each passenger.

Will you be returning to Carmarthen by train?

Train from Cardiff to Carmarthen

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