The average bus between Cardiff and South Wales Valleys takes 2h 50m and the fastest bus takes 1h 16m. The bus service runs several times per day from Cardiff to South Wales Valleys. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 3 hours between Cardiff and South Wales Valleys. The earliest departure is at 7:37 AM in the morning, and the last departure from Cardiff is at 6:25 PM which arrives into South Wales Valleys at 7:15 AM. All services require a transfer at Merthyr Bus Station Stand 5 and take an average of 2h 50m. The schedules shown below are for the next available departures.

1h 49m • 1 change

1h 31m • 1 change
Arrives next day

12h 50m • 1 change

1h 20m • 1 change

1h 36m • 1 change

1h 36m • 1 change

1h 36m • 1 change

1h 20m • 1 change

1h 36m • 1 change

1h 36m • 1 change

1h 36m • 1 change

1h 16m • 1 change

1h 36m • 1 change

1h 36m • 1 change

1h 36m • 1 change

1h 20m • 1 change

1h 36m • 1 change

1h 36m • 1 change

1h 36m • 1 change
Want to know about travelling from Cardiff to South Wales Valleys? 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.
No, there is no direct bus from Cardiff to South Wales Valleys. However, there are services departing from Cardiff station and arriving at South Wales Valleys station via Merthyr Bus Station Stand 1 station. The journey, including transfers, takes approximately 2h 50m.
Cardiff to South Wales Valleys bus services, operated by Stagecoach South Wales, depart from Greyfriars Road GJ station.
Cardiff to South Wales Valleys bus services, operated by Stagecoach South Wales, arrive at Merthyr Bus Station Stand 1.
The distance between Cardiff and South Wales Valleys is 34.5 km. The road distance is 46 km.
Stagecoach South Wales operates a bus from Greyfriars Road GJ to Merthyr Bus Station Stand 1 hourly. Tickets cost £7–10 and the journey takes 59 min.