Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Cardiff Central | Llanelli | Cheapest | ||||
| Train | Cardiff Central | Llanelli | Fastest | ||||
| Train | Cardiff Central | Llanelli | No tags | ||||
 | Train | Cardiff Central | Llanelli | No tags | ||||
| Train | Cardiff Central | Llanelli | No tags |
Last refresh of the prices: Yesterday at 09:27 GMT.
Compare 2 ways to travel from Cardiff to Llanelli
Among the sustainable travel choices, the Bus stands out as a good way to reach Llanelli. The journey takes about 1 hour 55 minutes and with fares starting at just €9, it presents an excellent value for a comfortable ride.
Train Companies
Frequently asked questions about travelling from Cardiff to Llanelli 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 Cardiff to Llanelli?
The cheapest train tickets from Cardiff to Llanelli start from €8. The average price for this train route is around €16. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the train journey from Cardiff to Llanelli?
The average train journey time from Cardiff to Llanelli is 1h 21m, covering a distance of 72 km. The fastest train gets you there in 1h 3m and is operated by Transport for Wales.
Which train operators serve the Cardiff to Llanelli route?
Several major train operators run on this route with 9 trains available per day, including services from Transport for Wales, Great Western Railway.
What are the earliest and latest departure times for the train from Cardiff to Llanelli?
The earliest train from Cardiff to Llanelli departs at 07:21. And the latest train departs at 23:20.
Which is the best train operator from Cardiff to Llanelli?
According to Busbud customers, the highest-rated train operator on this route is Great Western Railway, with an average rating of 4.0 out of 5 stars based on 42 reviews.
Which train operator has the best Wi-Fi from Cardiff to Llanelli?
According to reviews on Busbud, the train operator Transport for Wales has the highest Wi-Fi rating with a score of 5.0.
Which train operator has the most punctual service from Cardiff to Llanelli?
According to Busbud traveller reviews, the most punctual train operator on this route is Transport for Wales, with a punctuality rating of 5.0 out of 5 stars.
Which train operator has the cleanest trains from Cardiff to Llanelli?
According to Busbud traveller reviews, the train operator with the cleanest trains on this route is Transport for Wales, with a cleanliness rating of 5.0 out of 5 stars.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Cardiff to Llanelli was searched and found on 24 Jan 2026 with a price of €16To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Cardiff to Llanelli as early as possible.
You can expect to pay from €16 to €39 for a train ticket from Cardiff to Llanelli based on the last 2 days. You can expect to find the cheapest price for the trip at €16, which is on 2026-01-27.
Usually Great Western Railway will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.