The average bus between St Athan and Penarth takes 2h 18m and the fastest bus takes 1h 28m. There is a bus service every few hours from St Athan to Penarth. 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 St Athan and Penarth. The earliest departure is at 6:48 AM in the morning, and the last departure from St Athan is at 11:09 PM which arrives into Penarth at 6:38 AM. All services require a transfer, and take on average 2h 18m. The schedules shown below are for the next available departures.

2h 4m • 1 change

1h 59m • 1 change

1h 47m • 1 change

1h 55m • 1 change

2h 4m • 1 change

1h 59m • 1 change

1h 47m • 1 change

1h 55m • 1 change

2h 4m • 1 change

1h 59m • 1 change

1h 47m • 1 change

1h 55m • 1 change

2h 4m • 1 change

1h 59m • 1 change

1h 47m • 1 change

1h 55m • 1 change
Want to know about travelling from St Athan to Penarth? 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 St Athan to Penarth. However, there are services departing from St Athan station and arriving at Penarth station via King Square. The journey, including transfers, takes approximately 2h 18m.
St Athan to Penarth bus services, operated by First South & West Wales, depart from Rectory Road station.
St Athan to Penarth bus services, operated by First South & West Wales, arrive at Windsor Terrace station.
The distance between St Athan and Penarth is 17.2 km. The road distance is 35 km.
You can take a bus from Rectory Road to Windsor Terrace via King Square in around 1h 42m.