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Llanelli to Southampton trains

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Trip Overview

The average train between Llanelli and Southampton takes 5h 45m and the fastest train takes 4h 28m. The train service runs several times per day from Llanelli to Southampton. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

5h 45m
Duration
171 mi
Distance
£76
Average price
Every 4 hours
Frequency

Train

best
  1. Take the train from Llanelli to Filton Abbey Woodtrain train Fishguard Harbour - Bristol Temple Meads / ...
  2. Take the train from Filton Abbey Wood to Southampton Centraltrain train Cardiff Central - Portsmouth Harbour / ...
4h 38m
£61–113

Llanelli to Southampton train times

Trains run every 4 hours between Llanelli and Southampton. The earliest departure is at 5:56 AM in the morning, and the last departure from Llanelli is at 7:28 PM which arrives into Southampton at 9:02 AM. All services require a transfer, and take on average 5h 45m. The schedules shown below are for the next available departures.

Departing Thursday, October 15, 2026

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    Arrives next day

    Transport for WalesGreat Western Railway (GWR)13h 34m • 1 change

Departing Friday, October 16, 2026

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    Transport for WalesGreat Western Railway (GWR)5h • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 41m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 51m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 41m • 1 change
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Departing Saturday, October 17, 2026

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    Transport for WalesGreat Western Railway (GWR)5h 6m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 39m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 37m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 32m • 1 change
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Departing Monday, October 19, 2026

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    Transport for WalesGreat Western Railway (GWR)5h • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 41m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 51m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 41m • 1 change
  • Show more

Departing Tuesday, October 20, 2026

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    Transport for WalesGreat Western Railway (GWR)5h • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 41m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 51m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 41m • 1 change
  • Show more

Departing Wednesday, October 21, 2026

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    Transport for WalesGreat Western Railway (GWR)5h • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 41m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 51m • 1 change

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    Transport for WalesGreat Western Railway (GWR)4h 41m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Llanelli to Southampton? 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.

Map of how to get from Llanelli to Southampton.ExpandLaunch map view
  • Distance: 171.1 mi
  • Duration: 5h 45m

What companies run services between Llanelli, Wales and Southampton, England?

You can take a train from Llanelli to Southampton Central via Filton Abbey Wood in around 4h 38m.

Operators