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: Today at 10:05 GMT.
Compare 3 ways to travel from Reading to Carmarthen
Among the sustainable travel choices, the Bus stands out as a good way to reach Carmarthen. The journey takes about 4 hours 30 minutes and with fares starting at just €12, 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 €66
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 €66. 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.
How long is the train journey from Reading to Carmarthen?
The average train journey time from Reading to Carmarthen is 3h 26m, covering a distance of 235 km. The fastest train gets you there in 3h 10m 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 24 Jan 2026 with a price of €63To 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 €63 to €118 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 €63, which is on 2026-01-24.