Previously seen journeys
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Reading | Carmarthen | No tags | ||||
| Train | Reading | Carmarthen | No tags | ||||
| Train | Reading | Carmarthen | No tags | ||||
| Train | Reading | Carmarthen | No tags | ||||
| Train | Reading | Carmarthen | No tags |
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 £69
Frequently asked questions about travelling from Reading to Carmarthen by train
How much does a cheap train ticket from Reading to Carmarthen cost?
The average train ticket price from Reading to Carmarthen is £109. The best way to find cheap train tickets from Reading to Carmarthen is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the train trip from Reading to Carmarthen?
A train trip between Reading and Carmarthen is around 3h 27m, although the fastest train will take about 3h 9m. This is the time it takes to travel the 146 miles that separates the two cities.
How many daily train are there between Reading and Carmarthen?
The number of trains from Reading to Carmarthen can differ depending on the day of the week. On average, there are 3. Some trains are direct while others include transferring trains. Simplify your train trip from Reading to Carmarthen by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Reading to Carmarthen?
When taking the train from Reading to Carmarthen, you can travel comfortably and safely with Great Western Railway.
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 22 Nov 2025 with a price of £37To 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 £37 to £174 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 £37, which is on 2025-11-22.
