Train from Carmarthen to Reading: Tickets & Timetables

Previously seen journeys

Next departures from Carmarthen to Reading on 30 November
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Great Western RailwayTrain
Carmarthen
ReadingNo tags
Great Western RailwayTrain
Carmarthen
ReadingNo tags
Great Western RailwayTrain
Carmarthen
ReadingNo tags
Great Western RailwayTrain
Carmarthen
ReadingNo tags
Great Western RailwayTrain
Carmarthen
ReadingNo tags

Compare 3 ways to travel from Carmarthen to Reading

We recommend taking the bus

Among the sustainable travel choices, the bus stands out as a good way to reach Reading. The journey takes about 4 hours 40 minutes and with fares starting at just £12, it presents an excellent value for a comfortable ride.

1bus per day
4h 40mAverage duration
146 milesDistance
6kgCO₂ emissions
Average price£12 - £30Average duration4h 40m
6kg CO₂e
Average price£46 - £239Average duration3h 26m
6kg CO₂e
Carpool
Average price£30 - £30Average duration3h 10m
10kg CO₂e

Frequently asked questions about travelling from Carmarthen to Reading 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 Carmarthen to Reading?

    The cheapest train tickets from Carmarthen to Reading start from £46. The average price for this train route is around £62. 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 Carmarthen to Reading?

    The average train journey time from Carmarthen to Reading is 3h 26m, covering a distance of 146 miles. The fastest train gets you there in 3h 15m and is operated by Great Western Railway.

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

    Several major train operators run on this route with 4 trains available per day.

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

    The earliest train from Carmarthen to Reading departs at 07:23. And the latest train departs at 19:20.

Find cheapest prices for trains

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

Best price found
28/11
£59
29/11
£44
Today
No data
01/12
£44
02/12
No data
03/12
No data
04/12
No data
05/12
No data
busbud logoThe cheapest trip from Carmarthen to Reading was searched and found on 29 Nov 2025 with a price of £44

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

You can expect to pay from £44 to £229 for a train ticket from Carmarthen to Reading based on the last 2 days. You can expect to find the cheapest price for the trip at £44, which is on 2025-12-01.

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