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Southampton to Ystrad Mynach trains

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Trip Overview

The average train between Southampton and Ystrad Mynach takes 3h 49m and the fastest train takes 3h 13m. There is a train service every few hours from Southampton to Ystrad Mynach. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

3h 49m
Duration
128 mi
Distance
£62
Average price
Hourly
Frequency

Train

best
  1. Take the train from Southampton Central to Cardiff Centraltrain train Portsmouth Harbour - Cardiff Central / ...
3h 20m
£53–94

Southampton to Ystrad Mynach train times

Trains run hourly between Southampton and Ystrad Mynach. The earliest departure is at 6:47 AM in the morning, and the last departure from Southampton is at 9:11 PM which arrives into Ystrad Mynach at 6:24 AM. All services require a transfer, and take on average 3h 49m. The schedules shown below are for the next available departures.

Departing Sunday, October 18, 2026

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 27m • 1 change

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    Great Western Railway (GWR)Transport for Wales3h 28m • 1 change

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    Great Western Railway (GWR)Transport for Wales3h 29m • 1 change

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    Arrives next day

    Great Western Railway (GWR)Transport for Wales9h 24m • 1 change

Departing Monday, October 19, 2026

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    Great Western Railway (GWR)Transport for Wales3h 36m • 1 change

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    Great Western Railway (GWR)Transport for Wales3h 33m • 1 change

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    Great Western Railway (GWR)Transport for Wales3h 13m • 1 change

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 31m • 1 change
  • Show more

Departing Tuesday, October 20, 2026

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    Great Western Railway (GWR)Transport for Wales3h 36m • 1 change

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 33m • 1 change

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 13m • 1 change

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 31m • 1 change
  • Show more

Departing Wednesday, October 21, 2026

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 36m • 1 change

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 33m • 1 change

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 13m • 1 change

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 31m • 1 change
  • Show more

Departing Thursday, October 22, 2026

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    Great Western Railway (GWR)Transport for Wales3h 36m • 1 change

  •  → 

    Great Western Railway (GWR)Transport for Wales3h 33m • 1 change

Frequently asked questions

Want to know about travelling from Southampton to Ystrad Mynach? 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 Ystrad Mynach.ExpandLaunch map view
  • Distance: 127.8 mi
  • Duration: 3h 49m

What companies run services between Southampton, England and Ystrad Mynach, Wales?

Great Western Railway (GWR) operates a train from Southampton Central to Cardiff Central hourly. Tickets cost £45–90 and the journey takes 2h 35m.

Operators