How much is the train ticket from Llanelli to London?

The cheapest train tickets from Llanelli to London start at $66. The average price for this train route is around $135. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.

How long is the train ride from Llanelli to London?

The average train trip from Llanelli to London takes 3h 26m and covers 276 km. The quickest train gets you there in 3h 11m and is operated by Great Western Railway .

Which train operators serve the Llanelli to London route?

Several major train operators serve this route, with 4 trains available per day.

What are the earliest and latest departure times for the train from Llanelli to London?

The earliest train from Llanelli to London departs at 7:51am. The latest train departs at 7:54pm.

Train Llanelli to London from $63

Next train departures

Next departures for Llanelli to London on January 27
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	6:05pm	Llanelli	4h 4m	10:09pm	London Paddington	Cheapest
Train	6:05pm	Llanelli	4h 4m	10:09pm	London Paddington	Fastest
Train	1:05pm	Llanelli	4h 7m	5:12pm	London Paddington	No tags
Train	1:05pm	Llanelli	4h 7m	5:12pm	London Paddington	No tags

Next departures for Llanelli to London on January 28
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	11:05am	Llanelli	4h 7m	3:12pm	London Paddington	Cheapest
Train	6:05pm	Llanelli	4h 4m	10:09pm	London Paddington	Fastest
Train	8:01am	Llanelli	4h 10m	12:11pm	London Paddington	No tags
Train	8:01am	Llanelli	4h 10m	12:11pm	London Paddington	No tags
Train	11:05am	Llanelli	4h 7m	3:12pm	London Paddington	No tags

Next departures for Llanelli to London on January 29
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	11:05am	Llanelli	4h 7m	3:12pm	London Paddington	Cheapest
Train	6:05pm	Llanelli	4h 4m	10:09pm	London Paddington	Fastest
Train	8:01am	Llanelli	4h 10m	12:11pm	London Paddington	No tags
Train	8:01am	Llanelli	4h 10m	12:11pm	London Paddington	No tags
Train	11:05am	Llanelli	4h 7m	3:12pm	London Paddington	No tags

Next departures for Llanelli to London on January 30
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	6:05pm	Llanelli	4h 4m	10:09pm	London Paddington	Cheapest
Train	6:05pm	Llanelli	4h 4m	10:09pm	London Paddington	Fastest
Train	8:01am	Llanelli	4h 10m	12:11pm	London Paddington	No tags
Train	8:01am	Llanelli	4h 10m	12:11pm	London Paddington	No tags
Train	11:05am	Llanelli	4h 7m	3:12pm	London Paddington	No tags

Next departures for Llanelli to London on January 31
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Train	3:56pm	Llanelli	4h 17m	8:13pm	London Paddington	Cheapest
Train	9:58am	Llanelli	4h 14m	2:12pm	London Paddington	Fastest
Train	7:57am	Llanelli	4h 16m	12:13pm	London Paddington	No tags
Train	7:57am	Llanelli	4h 16m	12:13pm	London Paddington	No tags
Train	9:58am	Llanelli	4h 14m	2:12pm	London Paddington	No tags

Last refresh of the prices: Yesterday at 1:54 AM GMT.

Compare 3 ways to go from Llanelli to London

We recommend carpooling

Among the sustainable travel choices, the Carpool stands out as a good way to reach London. The journey takes about 3 hours 40 minutes, and with fares starting at just $48, it presents an excellent value for a comfortable ride.

1carpool per day

3h 40mAverage Duration

280 kmDistance

12kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$28 - $64	Average Duration5h 25m	CO₂ emissions 7kg CO₂e
Train	Average Price$66 - $485	Average Duration3h 26m	CO₂ emissions 7kg CO₂e
Carpool	Average Price$48 - $48	Average Duration3h 40m	CO₂ emissions 12kg CO₂e

Train companies

Great Western Railway

4/542 reviews

Staff5

Timeliness4.7

Cleanliness4.7

Wi‑Fi4

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 $66

GB train companies:Amtrak, Trenitalia, Renfe, VIA Rail Canada, RegioJet, Amtrak Acela, CrossCountry

Frequently asked questions about travelling from Llanelli to London by train

Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

How much is the train ticket from Llanelli to London?
The cheapest train tickets from Llanelli to London start at $66. The average price for this train route is around $135. Busbud recommends booking your tickets in advance to increase your chances of getting the lowest possible price.
How long is the train ride from Llanelli to London?
The average train trip from Llanelli to London takes 3h 26m and covers 276 km. The quickest train gets you there in 3h 11m and is operated by Great Western Railway.
Which train operators serve the Llanelli to London route?
Several major train operators serve this route, with 4 trains available per day.
What are the earliest and latest departure times for the train from Llanelli to London?
The earliest train from Llanelli to London departs at 7:51am. The latest train departs at 7:54pm.

Find cheapest prices for trains

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

01-25

$129

01-26

$113

Today

$113

01-28

$113

01-29

$113

01-30

$64

01-31

$97

02-01

No data

The cheapest trip from Llanelli to London was searched and found on Jan 30, 2026 with a price of $64

To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Llanelli to London, as early as possible.

You can expect to pay from $64 to $201 for a train ticket from Llanelli to London based on the last 2 days. You can expect to find the cheapest price for the trip at $64 which is on 2026-01-30.