The average bus between Perth and Dumbarton takes 2h 44m and the fastest bus takes 2h 29m. The bus service runs several times per day from Perth 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 every 4 hours between Perth and Dumbarton. The earliest departure is at 6:45 AM in the morning, and the last departure from Perth is at 4:20 PM which arrives into Dumbarton at 6:58 PM. All services require a transfer, and take on average 2h 44m. The schedules shown below are for the next available departures.

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Want to know about travelling from Perth 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 Perth to Dumbarton. However, there are services departing from Perth station and arriving at Dumbarton station via Buchanan Bus Station station. The journey, including transfers, takes approximately 2h 44m.
Perth to Dumbarton bus services, operated by Scottish Citylink Coaches Ltd, depart from Bus Station.
Perth to Dumbarton bus services, operated by Scottish Citylink Coaches Ltd, arrive at Barloan Toll station.
The distance between Perth and Dumbarton is 86.5 km. The road distance is 115 km.
You can take a bus from Bus Station to Barloan Toll via Buchanan Bus Station in around 2h 17m.