Cardiff to Merthyr Mawr Buses

Trip Overview

The average bus between Cardiff and Merthyr Mawr takes 2h 6m and the fastest bus takes 1h 19m. There is a bus service every few hours from Cardiff to Merthyr Mawr. 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 6m
Duration: 24 mi
Distance: £6
Average price: Hourly
Frequency

Bus

best

Take the bus from Cardiff Bus Interchange Bay 2 to Bridgend Bus Station Stand 5bus X2

1h 24m

£6

Cardiff to Merthyr Mawr bus times

Buses run hourly between Cardiff and Merthyr Mawr. The earliest departure is at 8:10 AM in the morning, and the last departure from Cardiff is at 11:10 PM which arrives into Merthyr Mawr at 5:49 AM. All services require a transfer, and take on average 2h 6m. The schedules shown below are for the next available departures.

Departing Wednesday, October 14, 2026

12:50 PM → 2:20 PM
1h 30m • 1 change
1:25 PM → 3:08 PM
1h 43m • 1 change
2:30 PM → 4:17 PM
1h 47m • 1 change
3:35 PM → 5:16 PM
1h 41m • 1 change
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Departing Thursday, October 15, 2026

8:10 AM → 9:55 AM
1h 45m • 1 change
9:20 AM → 11:00 AM
1h 40m • 1 change
10:20 AM → 12:05 PM
1h 45m • 1 change
11:20 AM → 1:05 PM
1h 45m • 1 change
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Departing Friday, October 16, 2026

8:10 AM → 9:55 AM
1h 45m • 1 change
9:20 AM → 11:00 AM
1h 40m • 1 change
10:20 AM → 12:05 PM
1h 45m • 1 change
11:20 AM → 1:05 PM
1h 45m • 1 change
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Departing Saturday, October 17, 2026

8:10 AM → 9:55 AM
1h 45m • 1 change
9:20 AM → 11:00 AM
1h 40m • 1 change
10:20 AM → 12:05 PM
1h 45m • 1 change
11:20 AM → 1:05 PM
1h 45m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Cardiff to Merthyr Mawr? 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.

What companies run services between Cardiff, Wales and Merthyr Mawr, Wales?

First South & West Wales operates a bus from Cardiff Bus Interchange Bay 2 to Bridgend Bus Station Stand 5 every 10 minutes. Tickets cost £3 and the journey takes 1h 7m.

Operators

Cardiff to Merthyr Mawr buses

Trip Overview

Bus