The average bus between Radyr and Cardiff Bay takes 1h 19m and the fastest bus takes 43 min. There is a bus service every few hours from Radyr to Cardiff Bay. 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 hourly between Radyr and Cardiff Bay. The earliest departure is at 6:33 AM in the morning, and the last departure from Radyr is at 10:51 PM which arrives into Cardiff Bay at 5:06 AM. All services require a transfer, and take on average 1h 19m. The schedules shown below are for the next available departures.

1h 15m • 1 change

1h 2m • 1 change

1h 19m • 1 change

1h 13m • 1 change

1h 15m • 1 change

1h 2m • 1 change

1h 19m • 1 change

1h 13m • 1 change

1h 5m • 1 change

1h 4m • 1 change

1h 11m • 1 change

1h 14m • 1 change
Want to know about travelling from Radyr to Cardiff Bay? 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 Radyr to Cardiff Bay. However, there are services departing from Radyr station and arriving at Cardiff Bay station via Cardiff Bus Interchange Bay 3. The journey, including transfers, takes approximately 1h 19m.
Radyr to Cardiff Bay bus services, operated by Cardiff Bus, depart from Clos Brynmellyn station.
Radyr to Cardiff Bay bus services, operated by Cardiff Bus, arrive at Cardiff Bus Interchange Bay 3 station.
The distance between Radyr and Cardiff Bay is 9.3 km. The road distance is 11 km.
Cardiff Bus operates a bus from Clos Brynmellyn to Cardiff Bus Interchange Bay 3 every 30 minutes. Tickets cost £2 and the journey takes 36 min.