The average bus between Cardiff and Onllwyn takes 4h 16m and the fastest bus takes 2h 29m. The bus service runs several times per day from Cardiff to Onllwyn. 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 4 hours between Cardiff and Onllwyn. The earliest departure is at 6:30 AM in the morning, and the last departure from Cardiff is at 5:00 PM which arrives into Onllwyn at 7:34 AM. All services require a transfer at Bay Campus and take an average of 4h 16m. The schedules shown below are for the next available departures.


2h 49m • 2 changes


2h 29m • 2 changes


3h 11m • 2 changes


3h 11m • 2 changes


3h 7m • 2 changes


2h 44m • 2 changes


2h 49m • 2 changes


2h 29m • 2 changes


3h 52m • 2 changes


3h 52m • 2 changes
Arrives next day


16h 17m • 2 changes


3h 52m • 2 changes


3h 52m • 2 changes
Arrives next day


14h 34m • 2 changes


3h 7m • 2 changes


2h 44m • 2 changes


2h 49m • 2 changes


2h 29m • 2 changes


3h 7m • 2 changes


2h 44m • 2 changes


2h 49m • 2 changes


2h 29m • 2 changes


3h 7m • 2 changes


2h 44m • 2 changes


2h 49m • 2 changes


2h 29m • 2 changes
Want to know about travelling from Cardiff to Onllwyn? 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 Cardiff to Onllwyn. However, there are services departing from Cardiff station and arriving at Onllwyn station via Swansea University. The journey, including transfers, takes approximately 4h 16m.
Cardiff to Onllwyn bus services, operated by FlixBus, depart from Cardiff North Road station.
Cardiff to Onllwyn bus services, operated by FlixBus, arrive at Coelbren Turn station.
The distance between Cardiff and Onllwyn is 48 km. The road distance is 93 km.
You can take a bus from Cardiff North Road to Coelbren Turn via Bay Campus and Neath Bus Station Stand 9 in around 3h 9m.