Train from Reading to Carmarthen: Tickets & Timetables

Previously seen journeys

Next departures from Reading to Carmarthen on 11 December
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Great Western RailwayTrain
Reading
CarmarthenNo tags
Great Western RailwayTrain
Reading
CarmarthenNo tags
Great Western RailwayTrain
Reading
CarmarthenNo tags
Great Western RailwayTrain
Reading
CarmarthenNo tags
Great Western RailwayTrain
Reading
CarmarthenNo tags

Compare 3 ways to travel 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 £22, it presents an excellent value for a comfortable ride.

1carpool per day
3h 10mAverage duration
146 milesDistance
10kgCO₂ emissions
Average price£12 - £25Average duration4h 30m
6kg CO₂e
Average price£62 - £235Average duration3h 19m
6kg CO₂e
Carpool
Average price£22 - £22Average duration3h 10m
10kg CO₂e

Frequently asked questions about travelling from Reading to Carmarthen by train

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

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

    The cheapest train tickets from Reading to Carmarthen start from £62. The average price for this train route is around £113. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.

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

    The average train journey time from Reading to Carmarthen is 3h 19m, covering a distance of 146 miles. The fastest 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 run on 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 07:13. And the latest train departs at 23:39.

Find cheapest prices for trains

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

Best price found
09/12
£82
10/12
£82
Today
No data
12/12
£64
13/12
No data
14/12
No data
15/12
No data
16/12
No data
busbud logoThe cheapest trip from Reading to Carmarthen was searched and found on 12 Dec 2025 with a price of £64

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 £64 to £194 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 £64, which is on 2025-12-12.

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