The average bus between Dumbarton and Ardrossan takes 2h 32m and the fastest bus takes 2h 9m. The bus service runs several times per day from Dumbarton to Ardrossan. 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 Dumbarton and Ardrossan. The earliest departure is at 7:17 AM in the morning, and the last departure from Dumbarton is at 10:23 PM which arrives into Ardrossan at 1:31 AM. All services require a transfer at James Watt Street and take an average of 2h 32m. The schedules shown below are for the next available departures.

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2h 41m • 1 changeWant to know about travelling from Dumbarton to Ardrossan? 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 Dumbarton to Ardrossan. However, there are services departing from Shopping Centre Entrance station and arriving at Hill Street station via James Watt Street station. The journey, including transfers, takes approximately 2h 32m.
Dumbarton to Ardrossan bus services, operated by First Greater Glasgow, depart from Shopping Centre Entrance station.
Dumbarton to Ardrossan bus services, operated by Stagecoach West Scotland, arrive at Hill Street station.
The distance between Dumbarton and Ardrossan is 37.1 km. The road distance is 55 km.
You can take a bus from Shopping Centre Entrance to Hill Street via James Watt Street and West Campbell Street in around 3h 17m.