The average bus between Dumbarton and Dumfries takes 3h 48m and the fastest bus takes 2h 57m. There is a bus service every few hours from Dumbarton to Dumfries. 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 Dumbarton and Dumfries. The earliest departure is at 12:29 AM at night, and the last departure from Dumbarton is at 8:46 PM which arrives into Dumfries at 1:18 AM. All services require a transfer, and take on average 3h 48m. The schedules shown below are for the next available departures.

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Want to know about travelling from Dumbarton to Dumfries? 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 Dumfries. However, there are services departing from Dumbarton station and arriving at Dumfries station via Buchanan Bus Station station. The journey, including transfers, takes approximately 3h 48m.
Dumbarton to Dumfries bus services, operated by Ember, depart from Barloan Toll station.
Dumbarton to Dumfries bus services, operated by Ember, arrive at School station.
Book your Dumbarton to Dumfries bus tickets online with Ember, Stagecoach West Scotland and Scottish Citylink Coaches Ltd.
The distance between Dumbarton and Dumfries is 114.5 km. The road distance is 154 km.
You can take a bus from Barloan Toll to School via Buchanan Bus Station in around 3h 11m.