The average bus between Dumbarton and Perth takes 2h 50m 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 12:23 AM at night, and the last departure from Dumbarton is at 10:09 PM which arrives into Perth at 12:21 AM. All services require a transfer, and take on average 2h 50m. The schedules shown below are for the next available departures.

3h 2m • 1 change

3h 2m • 1 change

2h 57m • 1 change

2h 34m • 1 change

2h 47m • 1 change

3h 34m • 1 change

2h 57m • 1 change

2h 32m • 1 change

2h 15m • 1 change

3h 34m • 1 change

2h 57m • 1 change

2h 32m • 1 change

2h 15m • 1 change

3h 34m • 1 change

2h 57m • 1 change

2h 32m • 1 change

2h 15m • 1 change

3h 34m • 1 change

2h 57m • 1 change

2h 32m • 1 change
Want 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 50m.
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 40m.