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Llanelli to Swansea Train

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12/11/2025
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Llanelli to Swansea by train

The journey from Llanelli to Swansea by train is 10.29 mi and takes 0 hrs 20 mins. There are 23 connections per day, with the first departure at 05:03 and the last at 23:09. It is possible to travel from Llanelli to Swansea by train for as little as £2.74 or as much as £7.93. The best price for this journey is £2.74.

Lowest Price £2.74
Journey Duration 0 hrs 20 mins
Connection per Day 23
Lowest Price £2.74
Highest Price £7.93
First Departure 05:03
Last Departure 23:09
Distance 10.29 mi
Departure Llanelli
Arrival Swansea
Carriers Great Western Railway, Transport for Wales

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Best time to book cheap train tickets from Llanelli to Swansea

The cheapest Llanelli - Swansea train tickets can be found for as low as £2.53 if you’re lucky, or £5.09 on average. The most expensive ticket can cost as much as £7.09.

Find the best day to travel to Swansea by train

When travelling to Swansea by train, if you want to avoid crowds you can check how frequently our customers are travelling in the next 30-days using the graph below. On average, the peak hours to travel are between 6:30am and 9am in the morning, or between 4pm and 7pm in the evening. Please keep this in mind when travelling to your point of departure as you may need some extra time to arrive, particularly in big cities!

Services on board Great Western Railway and Transport for Wales from Llanelli to Swansea
Compare services on board when travelling from Llanelli to Swansea by train.
Facilities Great Western Railway Transport for Wales
quiet_zone Quiet zone check check
wifi WiFi check check
power_sockets Power sockets check check
luggage Luggage check check
food_and_drink Food and drink check check

Llanelli to Swansea CO2 Emissions by Train

Ecology
Train
1.16kg
Bus
1.24kg
Flight
3.31kg
Car
2.65kg
What are the CO2 emissions from Llanelli to Swansea by train? The CO2 emissions from taking the train between Llanelli and Swansea are 1.16kg.
How much CO2 do I save by taking the train between Llanelli and Swansea? By taking the train between Llanelli and Swansea you will save 2.15kg CO2 emissions compared to a flight, 0.08kg compared to a bus and 1.49kg compared to a car.

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Frequently Asked Questions

How much is a train ticket from Llanelli to Swansea?
A train ticket from Llanelli to Swansea is £3.71. However the price varies depending on how early you buy, and if it's peak time to travel. Occasionally you can find them for as cheap as £2.74.
What's the cheapest train ticket from Llanelli to Swansea?
The cheapest ticket you can get from Llanelli to Swansea is £2.74. We recommend booking as early as possible and off-peak hours to get the cheapest ticket possible. Off-peak times are usually from 09:30 to 16:00, and after 19:00.
What's the distance between Llanelli and Swansea by train?
Llanelli to Swansea is 10.29 mi.
How long does the train between Llanelli and Swansea take?
Llanelli to Swansea is on average 0 hrs 20 mins. However the fastest option will get you there in 0 hrs 16 mins.
Which companies operate from Llanelli to Swansea?
The train journey from Llanelli to Swansea is covered by 1 operator(s). On Virail you can find these carriers that provide services on this route: Great Western Railway and Transport for Wales.
How many train connections per day go from Llanelli to Swansea?
Llanelli to Swansea has 23 connection(s) per day on average.
What time does the first train from Llanelli to Swansea leave?
The earliest train from Llanelli to Swansea departs at 05:03. However be sure to check with us the schedule on the day you want to leave as the time may differ.
What time does the last train from Llanelli to Swansea depart?
The latest train from Llanelli to Swansea departs at 23:09. However be sure to check with us the schedule on the day you want to leave as the time may differ.
Should I book my ticket from Llanelli to Swansea in advance?
If you can, we recommend booking your ticket as early as possible to ensure you get better savings. The cheapest train ticket we have found is £2.74 but this may be subject to change depending on the day of travel, hour you wish to depart and how far in advance you book.
How many direct connections depart from Llanelli to Swansea?
There are on average 23 direct connection(s) from Llanelli to go to Swansea.
What's the fastest journey time between Llanelli to Swansea by train?
The fastest journey time by train between Llanelli and Swansea is 0 hrs 16 mins.
Is there a direct train from Llanelli to Swansea?
Yes, there is a direct train between Llanelli and Swansea.
What are the CO2 emissions for Llanelli to Swansea by train?
The train journey from Llanelli to Swansea creates 1.16kg of CO2 emissions.

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