The average bus between Penarth and St Mellons takes 1h 18m and the fastest bus takes 1h 2m. The bus runs at least 3 times per hour from Penarth to St Mellons. 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 20 minutes between Penarth and St Mellons. The earliest departure is at 6:15 AM in the morning, and the last departure from Penarth is at 11:08 PM which arrives into St Mellons at 6:25 AM. All services require a transfer at Cardiff Bus Interchange Bay 7 and take an average of 1h 18m. The schedules shown below are for the next available departures.

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1h 16m • 1 changeWant to know about travelling from Penarth to St Mellons? 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 Mellons. However, there are services departing from Windsor Terrace station and arriving at St Mellons Police Station via Cardiff Bus Interchange Bay 7 station. The journey, including transfers, takes approximately 1h 18m.
Penarth to St Mellons bus services, operated by Cardiff Bus, depart from Windsor Terrace station.
Penarth to St Mellons bus services, operated by Cardiff Bus, arrive at St Mellons Police Station.
The distance between Penarth and St Mellons is 10.4 km. The road distance is 14 km.
You can take a bus from Windsor Terrace to St Mellons Police Station via Cardiff Bus Interchange Bay 7 and Westgate Street KH in around 1h 8m.