Next train departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Train | London Paddington | Llanelli | CheapestFastest | ||||
| Train | London Paddington | Llanelli | No tags | ||||
| Train | London Paddington | Llanelli | No tags | ||||
| Train | London Paddington | Llanelli | No tags |
Last refresh of the prices: Last Wednesday at 13:59 GMT.
Compare 3 ways to travel from London to Llanelli
Among the sustainable travel choices, the carpool stands out as a good way to reach Llanelli. The journey takes about 2 hours 40 minutes and with fares starting at just £16, 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 £47
Frequently asked questions about travelling from London to Llanelli by train
How much does a cheap train ticket from London to Llanelli cost?
The average train ticket price from London to Llanelli is £99. The best way to find cheap train tickets from London to Llanelli 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 London to Llanelli?
A train trip between London and Llanelli is around 3h 12m, although the fastest train will take about 3h 5m. This is the time it takes to travel the 174 miles that separates the two cities.
How many daily train are there between London and Llanelli?
The number of trains from London to Llanelli 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 London to Llanelli by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from London to Llanelli?
When taking the train from London to Llanelli, 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 London to Llanelli was searched and found on 19 Nov 2025 with a price of £45To save money and be sure you have the best seat, it's a good idea to buy your train tickets from London to Llanelli as early as possible.
You can expect to pay from £45 to £197 for a train ticket from London to Llanelli based on the last 2 days. You can expect to find the cheapest price for the trip at £70, which is on 2025-11-22.
