How much does a cheap train ticket from London to Llanelli cost?

The average train ticket price from London to Llanelli is $182. 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 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 280 km that separates the two cities.

How many daily trains 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.

Train London to Llanelli from $82

Next train departures

Next departures for London to Llanelli on November 16
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	9:31am	London Paddington	3h 17m	12:48pm	Llanelli	Cheapest
Train	11:42am	London Paddington	3h 9m	2:51pm	Llanelli	Fastest
Train	9:31am	London Paddington	3h 17m	12:48pm	Llanelli	No tags
Train	11:42am	London Paddington	3h 9m	2:51pm	Llanelli	No tags
Train	1:42pm	London Paddington	3h 14m	4:56pm	Llanelli	No tags
Train	1:42pm	London Paddington	3h 14m	4:56pm	Llanelli	No tags

Last refresh of the prices: Today at 3:16 AM GMT.

Compare 3 ways to go from London to Llanelli

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach Llanelli. The journey takes about 3 hours 30 minutes, and with fares starting at just $40, it presents an excellent value for a comfortable ride.

2carpool per day

3h 30mAverage Duration

280 kmDistance

12kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$28 - $64	Average Duration5h 50m	CO₂ emissions 7kg CO₂e
Train	Average Price$74 - $493	Average Duration3h 12m	CO₂ emissions 7kg CO₂e
Carpool	Average Price$40 - $58	Average Duration3h 30m	CO₂ emissions 12kg CO₂e

Train companies

Great Western Railway

4/542 reviews

Staff5

Timeliness4.7

Cleanliness4.7

Wifi4

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 WiFi. Great Western Railway ticket prices on this trip start at $74

GB train and bus companies:Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, FlixTrain, CrossCountry

Frequently asked questions on the trip London - Llanelli

How much does a cheap train ticket from London to Llanelli cost?
The average train ticket price from London to Llanelli is $182. 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 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 280 km that separates the two cities.
How many daily trains 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.

Best price found

11-11

$120

11-12

$120

Today

$120

11-14

$98

11-15

$82

11-16

$131

11-17

$106

11-18

$120

The cheapest trip from London to Llanelli was searched and found on Nov 15, 2025 with a price of $82

To 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 $82 to $338 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 $82 which is on 2025-11-15.