The average bus between St Athan and Penarth takes 2h 17m 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 11:12 PM which arrives into Penarth at 6:30 AM. All services require a transfer, and take on average 2h 17m. The schedules shown below are for the next available departures.

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1h 55m • 1 changeWant 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 Rectory Road station and arriving at Windsor Terrace station via King Square station. The journey, including transfers, takes approximately 2h 17m.
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 Cardiff Bus, arrive at Windsor Terrace station.
The distance between St Athan and Penarth is 17.2 km. The road distance is 22 km.
You can take a bus from Rectory Road to Windsor Terrace via King Square in around 1h 41m.