The average bus between Inverness and Dumbarton takes 4h 53m and the fastest bus takes 4h 29m. The bus service runs several times per day from Inverness 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 2 hours between Inverness and Dumbarton. The earliest departure is at 6:00 AM in the morning, and the last departure from Inverness is at 6:05 PM which arrives into Dumbarton at 11:26 PM. All services require a transfer, and take on average 4h 53m. The schedules shown below are for the next available departures.

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4h 49m • 1 changeWant to know about travelling from Inverness 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 Inverness to Dumbarton. However, there are services departing from Bus Station Stance 3 and arriving at Buchanan Bus Station via Buchanan Bus Station. The journey, including transfers, takes approximately 4h 53m.
Inverness to Dumbarton bus services, operated by FlixBus, depart from Bus Station Stance 3.
Inverness to Dumbarton bus services, operated by FlixBus, arrive at Buchanan Bus Station.
Book your Inverness to Dumbarton bus tickets online with Omio.
The distance between Inverness and Dumbarton is 172 km. The road distance is 244 km.
FlixBus operates a bus from Bus Station Stance 3 to Buchanan Bus Station hourly. Tickets cost £20–30 and the journey takes 3h 40m. Scottish Citylink Coaches Ltd also services this route hourly.