The average bus between Greenock and Dumbarton takes 1h 50m and the fastest bus takes 1h 36m. The bus service runs several times per day from Greenock to Dumbarton. 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 3 hours between Greenock and Dumbarton. The earliest departure is at 8:10 AM in the morning, and the last departure from Greenock is at 7:00 PM which arrives into Dumbarton at 9:12 PM. All services require a transfer at Bus Station and take an average of 1h 50m. The schedules shown below are for the next available departures.


1h 44m • 2 changes


1h 43m • 2 changes


1h 40m • 2 changes


1h 43m • 2 changes


1h 44m • 2 changes


1h 43m • 2 changes


1h 40m • 2 changes


1h 43m • 2 changes


1h 49m • 2 changes


1h 48m • 2 changes


1h 36m • 2 changes


1h 42m • 2 changes


1h 44m • 2 changes


1h 43m • 2 changes


1h 40m • 2 changes


1h 43m • 2 changes
Want to know about travelling from Greenock to Dumbarton? 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 Greenock to Dumbarton. However, there are services departing from Greenock station and arriving at Dumbarton station via Bus Station station. The journey, including transfers, takes approximately 1h 50m.
Greenock to Dumbarton bus services, operated by McGills Buses, depart from Stance 1 station.
Greenock to Dumbarton bus services, operated by McGills Buses, arrive at Riverside Lane station.
The distance between Greenock and Dumbarton is 11.9 km. The road distance is 56 km.
You can take a bus from Stance 1 to Riverside Lane via Bus Station and Clydebank station in around 2h 7m.