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Hayes to Carmarthen trains

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Trip Overview

The average train between Hayes and Carmarthen takes 5h 22m and the fastest train takes 4h 44m. There is a train service every few hours from Hayes to Carmarthen. 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 22m
Duration
238 mi
Distance
£122
Average price
Hourly
Frequency

Train via Swansea

best
  1. Take the train from London Paddington to Swanseatrain train London Paddington - Swansea / ...
  2. Take the train from Swansea to Carmarthentrain train Bristol Temple Meads - Milford Haven / ...
5h 28m
£99–189

Hayes to Carmarthen train times

Trains run hourly between Hayes and Carmarthen. The earliest departure is at 5:25 AM in the morning, and the last departure from Hayes is at 9:26 PM which arrives into Carmarthen at 6:47 AM. All services require a transfer at London Charing Cross and take an average of 5h 22m. The schedules shown below are for the next available departures.

Departing Monday, October 12, 2026

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    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Transport for Wales5h 17m • 3 changes

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    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Transport for Wales5h 8m • 3 changes

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    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Great Western Railway (GWR)4h 58m • 3 changes

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    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Transport for Wales5h 4m • 3 changes
  • Show more

Departing Tuesday, October 13, 2026

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    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Transport for Wales5h 5m • 3 changes

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    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Transport for Wales5h 17m • 3 changes

  •  → 

    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Transport for Wales5h 8m • 3 changes

  •  → 

    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Great Western Railway (GWR)4h 58m • 3 changes
  • Show more

Departing Wednesday, October 14, 2026

  •  → 

    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Transport for Wales5h 5m • 3 changes

  •  → 

    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Transport for Wales5h 17m • 3 changes

  •  → 

    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Transport for Wales5h 8m • 3 changes

  •  → 

    SoutheasternLondon Underground (Tube)Great Western Railway (GWR)Great Western Railway (GWR)4h 58m • 3 changes
  • Show more

Frequently asked questions

Want to know about travelling from Hayes to Carmarthen? 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 Hayes to Carmarthen.ExpandLaunch map view
  • Distance: 238.3 mi
  • Duration: 5h 22m

What companies run services between Hayes, England and Carmarthen, Wales?

You can take a train from Hayes (Kent) to Carmarthen via London Charing Cross, Charing Cross station, Paddington station, London Paddington, and Swansea in around 5h 28m.

Operators