The average bus between Penarth and St Athan takes 2h 12m and the fastest bus takes 1h 24m. There is a bus service every few hours from Penarth to St Athan. 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 Penarth and St Athan. The earliest departure is at 7:33 AM in the morning, and the last departure from Penarth is at 11:18 PM which arrives into St Athan at 6:31 AM. All services require a transfer, and take on average 2h 12m. The schedules shown below are for the next available departures.

1h 54m • 1 change

1h 37m • 1 change

1h 36m • 1 change

1h 51m • 1 change

1h 54m • 1 change

1h 37m • 1 change

1h 36m • 1 change

1h 51m • 1 change

1h 54m • 1 change

1h 37m • 1 change

1h 36m • 1 change

1h 51m • 1 change
Want to know about travelling from Penarth to St Athan? 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 Penarth to St Athan. However, there are services departing from Penarth station and arriving at St Athan station via Barry Town Centre 4. The journey, including transfers, takes approximately 2h 12m.
Penarth to St Athan bus services, operated by Cardiff Bus, depart from Windsor Arcade station.
Penarth to St Athan bus services, operated by Cardiff Bus, arrive at Rectory Road station.
The distance between Penarth and St Athan is 17.2 km. The road distance is 36 km.
You can take a bus from Windsor Arcade to Rectory Road via Barry Town Centre 3 in around 1h 48m.