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Cardiff Bay to Merthyr Tydfil buses

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Trip Overview

The average bus between Cardiff Bay and Merthyr Tydfil takes 2h 28m and the fastest bus takes 1h 26m. The bus service runs several times per day from Cardiff Bay 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.

2h 28m
Duration
26 mi
Distance
£12
Average price
Every 3 hours
Frequency

Bus

best
  1. Take the bus from Greyfriars Road GJ to Merthyr Bus Station 1bus bus X4
1h 54m
£10–13

Cardiff Bay to Merthyr Tydfil bus times

Buses run every 3 hours between Cardiff Bay and Merthyr Tydfil. The earliest departure is at 12:33 AM at night, and the last departure from Cardiff Bay is at 5:54 PM which arrives into Merthyr Tydfil at 7:26 PM. All services require a transfer at Customhouse Street JW and take an average of 2h 28m. The schedules shown below are for the next available departures.

Departing Thursday, October 8, 2026

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    First South & West WalesStagecoach South Wales1h 32m • 1 change

Departing Friday, October 9, 2026

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    First South & West WalesStagecoach South Wales8h 4m • 1 change

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    First South & West WalesStagecoach South Wales2h 5m • 1 change

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    First South & West WalesStagecoach South Wales1h 59m • 1 change

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    First South & West WalesStagecoach South Wales1h 49m • 1 change
  • Show more

Departing Saturday, October 10, 2026

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    First South & West WalesStagecoach South Wales9h 4m • 1 change

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    First South & West WalesStagecoach South Wales2h 4m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales1h 58m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales1h 48m • 1 change
  • Show more

Departing Monday, October 12, 2026

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    First South & West WalesStagecoach South Wales7h 58m • 1 change

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    First South & West WalesStagecoach South Wales2h 5m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales1h 59m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales1h 49m • 1 change
  • Show more

Departing Tuesday, October 13, 2026

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    First South & West WalesStagecoach South Wales8h 4m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales2h 5m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales1h 59m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales1h 49m • 1 change
  • Show more

Departing Wednesday, October 14, 2026

  •  → 

    First South & West WalesStagecoach South Wales8h 4m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales2h 5m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales1h 59m • 1 change

  •  → 

    First South & West WalesStagecoach South Wales1h 49m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Cardiff Bay 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 Cardiff Bay to Merthyr Tydfil.ExpandLaunch map view
  • Distance: 26 mi
  • Duration: 2h 28m

What companies run services between Cardiff Bay, Wales and Merthyr Tydfil, Wales?

Stagecoach South Wales operates a bus from Greyfriars Road GJ to Merthyr Bus Station 1 hourly. Tickets cost £7–10 and the journey takes 59 min.

Operators