Train from Reading to Carmarthen: Tickets & Schedules

Next train departures

Next departures for Reading to Carmarthen on December 20
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Great Western RailwayTrain
Reading
CarmarthenCheapestFastest
Great Western RailwayTrain
Reading
CarmarthenNo tags
Great Western RailwayTrain
Reading
CarmarthenNo tags
Great Western RailwayTrain
Reading
CarmarthenNo tags
Great Western RailwayTrain
Reading
CarmarthenNo tags

Last refresh of the prices: Yesterday at 7:35 PM GMT.

Compare 3 ways to go from Reading to Carmarthen

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach Carmarthen. The journey takes about 3 hours 10 minutes, and with fares starting at just $39, it presents an excellent value for a comfortable ride.

1carpool per day
3h 10mAverage Duration
235 kmDistance
10kgCO₂ emissions
Average Price$22 - $59Average Duration4h 30m
6kg CO₂e
Average Price$114 - $433Average Duration3h 17m
6kg CO₂e
Carpool
Average Price$39 - $39Average Duration3h 10m
10kg CO₂e

Frequently asked questions about travelling from Reading to Carmarthen by train

Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

  1. How much is the train ticket from Reading to Carmarthen?

    The cheapest train tickets from Reading to Carmarthen start at $114. The average price for this train route is around $219. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.

  2. How long is the train ride from Reading to Carmarthen?

    The average train trip from Reading to Carmarthen takes 3h 17m and covers 235 km. The quickest train gets you there in 3h 9m and is operated by Great Western Railway.

  3. Which train operators serve the Reading to Carmarthen route?

    Several major train operators serve this route, with 3 trains available per day.

  4. What are the earliest and latest departure times for the train from Reading to Carmarthen?

    The earliest train from Reading to Carmarthen departs at 7:13am. The latest train departs at 11:39pm.

Find cheapest prices for trains

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

Best price found
12-17
$109
12-18
$150
Today
$139
12-20
$95
12-21
No data
12-22
No data
12-23
No data
12-24
$67
busbud logoThe cheapest trip from Reading to Carmarthen was searched and found on Dec 24, 2025 with a price of $67

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

You can expect to pay from $67 to $359 for a train ticket from Reading to Carmarthen based on the last 2 days. You can expect to find the cheapest price for the trip at $67 which is on 2025-12-24.

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