Southampton to Llanelli Trains

Southampton to Llanelli trains

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Trip Overview

The average train between Southampton and Llanelli takes 4h 58m and the fastest train takes 4h 10m. There is a train service every few hours from Southampton to Llanelli. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

4h 58m
Duration: 171 mi
Distance: £85
Average price: Every 2 hours
Frequency

Train

best

Take the train from Southampton Central to Cardiff Centraltrain Portsmouth Harbour - Cardiff Central / ...
Take the train from Cardiff Central to Llanellitrain Bristol Temple Meads - Milford Haven / ...

4h 16m

£67–130

Southampton to Llanelli train times

Trains run every 2 hours between Southampton and Llanelli. The earliest departure is at 6:47 AM in the morning, and the last departure from Southampton is at 9:12 PM which arrives into Llanelli at 11:19 AM. All services require a transfer, and take on average 4h 58m. The schedules shown below are for the next available departures.

Departing Tuesday, November 3, 2026

8:11 PM → 1:06 AM
Arrives next day
4h 55m • 1 change
9:11 PM → 7:13 AM
Arrives next day
10h 2m • 1 change

Departing Wednesday, November 4, 2026

6:47 AM → 11:20 AM
4h 32m • 1 change
8:10 AM → 12:57 PM
4h 47m • 1 change
9:11 AM → 2:00 PM
4h 49m • 1 change
10:11 AM → 2:23 PM
4h 11m • 1 change
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Departing Thursday, November 5, 2026

6:47 AM → 11:20 AM
4h 32m • 1 change
8:10 AM → 12:57 PM
4h 47m • 1 change
9:11 AM → 2:00 PM
4h 49m • 1 change
10:11 AM → 2:23 PM
4h 11m • 1 change
Show more

Departing Friday, November 6, 2026

6:47 AM → 11:20 AM
4h 32m • 1 change
8:10 AM → 12:57 PM
4h 47m • 1 change
9:11 AM → 2:00 PM
4h 49m • 1 change
10:11 AM → 2:23 PM
4h 11m • 1 change
Show more

Departing Saturday, November 7, 2026

6:59 AM → 11:22 AM
4h 23m • 1 change
9:10 AM → 1:22 PM
4h 12m • 1 change
11:10 AM → 3:20 PM
4h 10m • 1 change
1:10 PM → 5:21 PM
4h 11m • 1 change
Show more

Departing Sunday, November 8, 2026

9:57 AM → 2:51 PM
4h 54m • 1 change
10:57 AM → 3:30 PM
4h 33m • 1 change
11:57 AM → 4:56 PM
4h 59m • 1 change
12:57 PM → 5:23 PM
4h 26m • 1 change
Show more

Departing Monday, November 9, 2026

6:47 AM → 11:20 AM
4h 32m • 1 change
8:10 AM → 12:57 PM
4h 47m • 1 change
9:11 AM → 2:00 PM
4h 49m • 1 change
10:11 AM → 2:23 PM
4h 11m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Southampton to Llanelli? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.