The average bus between Cumnock and Dumbarton takes 3h 10m and the fastest bus takes 2h 31m. There is an hourly bus service from Cumnock 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 hourly between Cumnock and Dumbarton. The earliest departure is at 5:40 AM in the morning, and the last departure from Cumnock is at 10:14 PM which arrives into Dumbarton at 7:09 AM. All services require a transfer at Kilmarnock Bus Station and take an average of 3h 10m. The schedules shown below are for the next available departures.


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2h 51m • 2 changesWant to know about travelling from Cumnock 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 Cumnock to Dumbarton. However, there are services departing from Cumnock Bus Station and arriving at Riverside Lane station via Kilmarnock Bus Station and Bath Street station. The journey, including transfers, takes approximately 3h 10m.
Cumnock to Dumbarton bus services, operated by Stagecoach West Scotland, depart from Cumnock Bus Station.
Cumnock to Dumbarton bus services, operated by First Greater Glasgow, arrive at Riverside Lane station.
The distance between Cumnock and Dumbarton is 57.7 km. The road distance is 77 km.
You can take a bus from Cumnock Bus Station to Riverside Lane via Kilmarnock Bus Station, Bath Street, and Marriott Hotel in around 3h 7m.