The average bus between Cardiff and Llanwern takes 1h 15m and the fastest bus takes 57 min. There is a bus service every few hours from Cardiff to Llanwern. 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 Cardiff and Llanwern. The earliest departure is at 3:40 AM at night, and the last departure from Cardiff is at 6:20 PM which arrives into Llanwern at 7:43 PM. All services require a transfer at Newport Train Station and take an average of 1h 15m. The schedules shown below are for the next available departures.

1h 16m • 1 change

59 min • 1 change

1h 5m • 1 change

1h 12m • 1 change

1h 42m • 1 change

1h 50m • 1 change

1h 6m • 1 change

1h 20m • 1 change

1h 42m • 1 change

1h 50m • 1 change

1h 6m • 1 change

1h 20m • 1 change
Want to know about travelling from Cardiff to Llanwern? 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 Llanwern. However, there are services departing from Cardiff station and arriving at Llanwern station via Newport Train Station station. The journey, including transfers, takes approximately 1h 15m.
Cardiff to Llanwern bus services, operated by FlixBus, depart from Cardiff North Road station.
Cardiff to Llanwern bus services, operated by FlixBus, arrive at Sterndale Bennett Road station.
The distance between Cardiff and Llanwern is 21.9 km. The road distance is 29 km.
You can take a bus from Cardiff North Road to Sterndale Bennett Road via Newport Train Station and Friars Walk 4 in around 1h 10m.