The average bus between Dumfries and Dumbarton takes 3h 45m and the fastest bus takes 2h 56m. There is a bus service every few hours from Dumfries 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 Dumfries and Dumbarton. The earliest departure is at 6:10 AM in the morning, and the last departure from Dumfries is at 10:35 PM which arrives into Dumbarton at 6:47 AM. All services require a transfer, and take on average 3h 45m. The schedules shown below are for the next available departures.

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3h 14m • 1 change
Want to know about travelling from Dumfries 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 Dumfries to Dumbarton. However, there are services departing from Dumfries station and arriving at Dumbarton station via Buchanan Bus Station station. The journey, including transfers, takes approximately 3h 45m.
Dumfries to Dumbarton bus services, operated by Stagecoach West Scotland, depart from Court station.
Dumfries to Dumbarton bus services, operated by Stagecoach West Scotland, arrive at Barloan Toll station.
The distance between Dumfries and Dumbarton is 114.5 km. The road distance is 154 km.
You can take a bus from Court to Barloan Toll via Buchanan Bus Station in around 3h 4m.