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Southampton to Merthyr Tydfil trains

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Trip Overview

The average train between Southampton and Merthyr Tydfil takes 4h 20m and the fastest train takes 3h 51m. There is a train service every few hours from Southampton to Merthyr Tydfil. 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 20m
Duration
138 mi
Distance
£66
Average price
Hourly
Frequency

Southampton to Merthyr Tydfil train times

Trains run hourly between Southampton and Merthyr Tydfil. 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 Merthyr Tydfil at 9:28 AM. All services require a transfer, and take on average 4h 20m. The schedules shown below are for the next available departures.

Departing Wednesday, November 11, 2026

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    Great Western Railway (GWR)Transport for Wales4h 15m • 1 change
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    Great Western Railway (GWR)Transport for Wales3h 53m • 1 change
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    Great Western Railway (GWR)Transport for Wales3h 52m • 1 change
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    Great Western Railway (GWR)Transport for Wales3h 51m • 1 change
  • Show more

Departing Thursday, November 12, 2026

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    Great Western Railway (GWR)Transport for Wales4h 15m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 53m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 52m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 51m • 1 change
  • Show more

Departing Friday, November 13, 2026

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    Great Western Railway (GWR)Transport for Wales4h 15m • 1 change
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    Great Western Railway (GWR)Transport for Wales3h 53m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 52m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 51m • 1 change
  • Show more

Departing Saturday, November 14, 2026

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    Great Western Railway (GWR)Transport for Wales4h 4m • 1 change
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    Great Western Railway (GWR)Transport for Wales3h 53m • 1 change
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    Great Western Railway (GWR)Transport for Wales3h 53m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 52m • 1 change
  • Show more

Departing Sunday, November 15, 2026

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    Great Western Railway (GWR)Transport for Wales4h 31m • 1 change
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    Great Western Railway (GWR)Transport for Wales4h 31m • 1 change
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    Great Western Railway (GWR)Transport for Wales4h 31m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales4h 31m • 1 change
  • Show more

Departing Monday, November 16, 2026

  •  → 

    Great Western Railway (GWR)Transport for Wales4h 15m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 53m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 52m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 51m • 1 change
  • Show more

Departing Tuesday, November 17, 2026

  •  → 

    Great Western Railway (GWR)Transport for Wales4h 15m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 53m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 52m • 1 change
  •  → 

    Great Western Railway (GWR)Transport for Wales3h 51m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Southampton to Merthyr Tydfil? 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 Southampton to Merthyr Tydfil.ExpandLaunch map view
  • Distance: 138.3 mi
  • Duration: 4h 20m

What companies run services between Southampton, England and Merthyr Tydfil, Wales?

You can take a train from Southampton Central to Merthyr Tydfil via Cardiff Central in around 4h 5m.

Operators