The average bus between Dumbarton and Perth takes 2h 52m and the fastest bus takes 2h 1m. There is a bus service every few hours from Dumbarton to Perth. 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 2 hours between Dumbarton and Perth. The earliest departure is at 12:29 AM at night, and the last departure from Dumbarton is at 11:09 PM which arrives into Perth at 1:10 AM. All services require a transfer, and take on average 2h 52m. The schedules shown below are for the next available departures.

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2h 32m • 1 changeWant to know about travelling from Dumbarton to Perth? 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 Perth. However, there are services departing from Dumbarton station and arriving at Perth station via Buchanan Bus Station station. The journey, including transfers, takes approximately 2h 52m.
Dumbarton to Perth bus services, operated by Scottish Citylink Coaches Ltd, depart from Barloan Toll station.
Dumbarton to Perth bus services, operated by Scottish Citylink Coaches Ltd, arrive at South Street station.
Book your Dumbarton to Perth bus tickets online with Scottish Citylink Coaches Ltd and Ember.
The distance between Dumbarton and Perth is 86.5 km. The road distance is 121 km.
You can take a bus from Barloan Toll to South Street via Buchanan Bus Station in around 2h 42m.