Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | Llanelli | Cardiff Central | Cheapest | ||||
 | Train | Llanelli | Cardiff Central | Fastest | ||||
| Train | Llanelli | Cardiff Central | No tags | ||||
| Train | Llanelli | Cardiff Central | No tags | ||||
| Train | Llanelli | Cardiff Central | No tags |
Last refresh of the prices: Yesterday at 06:56 GMT.
Compare 2 ways to travel from Llanelli to Cardiff
Among the sustainable travel choices, the bus stands out as a good way to reach Cardiff. The journey takes about 1 hour 50 minutes and with fares starting at just £8, it presents an excellent value for a comfortable ride.
Train Companies
Frequently asked questions about travelling from Llanelli to Cardiff 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 Llanelli to Cardiff?
The cheapest train tickets from Llanelli to Cardiff start from £7. The average price for this train route is around £8. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the train journey from Llanelli to Cardiff?
The average train journey time from Llanelli to Cardiff is 1h 26m, covering a distance of 45 miles. The fastest train gets you there in 1h 6m and is operated by Transport for Wales.
Which train operators serve the Llanelli to Cardiff route?
Several major train operators run on this route with 6 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 Llanelli to Cardiff?
The earliest train from Llanelli to Cardiff departs at 07:19. And the latest train departs at 23:09.
Which is the best train operator from Llanelli to Cardiff?
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 Llanelli to Cardiff?
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 Llanelli to Cardiff?
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 Llanelli to Cardiff?
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 Llanelli to Cardiff was searched and found on 16 Dec 2025 with a price of £7To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Llanelli to Cardiff as early as possible.
You can expect to pay from £7 to £31 for a train ticket from Llanelli to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at £7, which is on 2025-12-16.
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.
What's the cheapest way to go from Llanelli to Cardiff?
The train is the cheapest travel choice for this destinationThe best way to travel between Llanelli and Cardiff is by train. By choosing the train, you'll get to save some money as you travel to your destination, as ticket prices cost £8 on average. If you're on a budget, you'll find cheap tickets from £7. If you're looking for the fastest way to get to Cardiff, choose the train, as it will take you from Llanelli to Cardiff in about 1h 26m – that's the fastest way to get there!
