Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Reading | Carmarthen | Cheapest | ||||
| Train | Reading | Carmarthen | Fastest | ||||
| Train | Reading | Carmarthen | No tags | ||||
| Train | Reading | Carmarthen | No tags | ||||
| Train | Reading | Carmarthen | No tags |
Last refresh of the prices: Yesterday at 13:02 GMT.
Compare 3 ways to travel from Reading to Carmarthen
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.
Train Companies
Based on 42 reviews, the company was rated 4 stars on Busbud. Travellers were especially satisfied with the staff and the seats but often complained with the Wi-Fi. Great Western Railway ticket prices on this trip start at £68
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.
How much does a train ticket cost from Reading to Carmarthen?
The cheapest train tickets from Reading to Carmarthen start from £68. The average price for this train route is around £100. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the train journey from Reading to Carmarthen?
The average train journey time from Reading to Carmarthen is 3h 27m, covering a distance of 146 miles. The fastest train gets you there in 3h 9m and is operated by Great Western Railway.
Which train operators serve the Reading to Carmarthen route?
Several major train operators run on this route with 3 trains available per day.
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 18:13.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Reading to Carmarthen was searched and found on 30 Nov 2025 with a price of £59To 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.
