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Monmouth to Carmarthen buses

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Trip Overview

The average bus between Monmouth and Carmarthen takes 16h 5m and the fastest bus takes 5h 39m. There is at least one bus per day from Monmouth 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.

16h 5m
Duration
120 mi
Distance
Once daily
Frequency

Monmouth to Carmarthen bus times

Buses run once daily between Monmouth and Carmarthen. The earliest departure is at 11:10 AM in the morning, and the last departure from Monmouth is at 6:35 PM which arrives into Carmarthen at 5:45 PM. All services require a transfer at Chepstow Bus Station Stand 2 and take an average of 16h 5m. The schedules shown below are for the next available departures.

Departing Friday, October 16, 2026

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    Newport BusNational ExpressNational Express6h 20m • 2 changes

Departing Saturday, October 17, 2026

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    Newport BusNational ExpressNational Express6h 35m • 2 changes

Departing Sunday, October 18, 2026

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    Newport BusNational ExpressNational Express5h 39m • 2 changes
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    Arrives next day

    Newport BusNational ExpressNational Express24h 35m • 2 changes

Departing Monday, October 19, 2026

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    Arrives next day

    Newport BusNational ExpressNational Express23h 10m • 2 changes

Departing Tuesday, October 20, 2026

  •  → 

    Arrives next day

    Newport BusNational ExpressNational Express23h 10m • 2 changes

Departing Wednesday, October 21, 2026

  •  → 

    Arrives next day

    Newport BusNational ExpressNational Express23h 10m • 2 changes

Frequently asked questions

Want to know about travelling from Monmouth 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 Monmouth to Carmarthen.ExpandLaunch map view
  • Distance: 120.2 mi
  • Duration: 16h 5m

What companies run services between Monmouth, Wales and Carmarthen, Wales?

You can take a bus from Monmouth Bus Station Stand 2 to Rose and Crown via Chepstow Bus Station Stand 2 and Swansea Bus Station Stand B in around 5h 36m.

Operators