Trains tickets from Carmarthen to Cardiff

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Today24 Apr
Tomorrow25 Apr
Sat26 Apr
from US$11
Sun27 Apr
Mon28 Apr
Tue29 Apr
Wed30 Apr
Thu1 May

Trains leaving Saturday

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: 26 April at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: 26 April at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: 26 April at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: 26 April at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Transport for WalesTransport for Wales
    Vehicle: TrainDuration:
  • Departure time: 26 April at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: 26 April at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:
  • Departure time: 26 April at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: 26 April at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Transport for WalesTransport for Wales
    Vehicle: TrainDuration:
  • Departure time: 26 April at
    Departure city: Carmarthen
    Departure location: Carmarthen
    Arrival time: 26 April at
    Destination city: Cardiff
    Destination location: Cardiff Central
    Operated by: Great Western RailwayGreat Western Railway
    Vehicle: TrainDuration:

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Train Carmarthen to Cardiff: Trip Overview

Please note, this information is subject to change.

Average ticket priceUS$20
Average train trip duration1h 53m
Number of daily trains8
Earliest train departure07:23
Distance55 miles
Latest train departure22:41

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 on the trip Carmarthen - Cardiff

  1. How much does a cheap train ticket from Carmarthen to Cardiff cost?

    The average train ticket price from Carmarthen to Cardiff is US$20. The best way to find cheap train 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 train trip from Carmarthen to Cardiff?

    A train trip between Carmarthen and Cardiff is around 1h 53m, although the fastest train will take about 1h 45m. This is the time it takes to travel the 55 miles that separates the two cities.

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

    The number of trains from Carmarthen to Cardiff can differ depending on the day of the week. On average, there are 8. Some trains are direct while others include transferring trains. Simplify your train trip from Carmarthen to Cardiff by comparing and selecting the train that fits your travel style and budget on Busbud.

Find cheapest prices for trains

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

Best price found
22/04
US$11
23/04
US$11
Today
No data
25/04
No data
26/04
US$11
27/04
US$11
28/04
US$11
29/04
US$11
busbud logoThe cheapest trip from Carmarthen to Cardiff was searched and found on 27 Apr 2025 with a price of US$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 US$11 to US$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 US$11, which is on 2025-04-27.

About Train Travel

Train Travel Tips

There are many train stations in the world, explore 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 105m, 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 60m 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 apologise to each passenger.

Will you be returning to Carmarthen by train?

Train from Cardiff to Carmarthen

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Popular Trains Connecting Carmarthen

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