The average bus between Grangemouth and Dumbarton takes 3h 32m and the fastest bus takes 2h 44m. There is a bus service every few hours from Grangemouth 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 Grangemouth and Dumbarton. The earliest departure is at 5:41 AM in the morning, and the last departure from Grangemouth is at 10:41 PM which arrives into Dumbarton at 8:43 AM. All services require a transfer at Melville Street and take an average of 3h 32m. The schedules shown below are for the next available departures.


3h 3m • 2 changes


2h 49m • 2 changes


2h 56m • 2 changes


2h 49m • 2 changes


3h 3m • 2 changes


2h 49m • 2 changes


2h 56m • 2 changes


2h 49m • 2 changes


2h 59m • 2 changes


2h 47m • 2 changes


3h 8m • 2 changes


2h 48m • 2 changes


2h 45m • 2 changes


2h 50m • 2 changes


2h 50m • 2 changes


2h 50m • 2 changes
Want to know about travelling from Grangemouth 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 Grangemouth to Dumbarton. However, there are services departing from Grangemouth station and arriving at Dumbarton station via Buchanan Bus Station station. The journey, including transfers, takes approximately 3h 32m.
Grangemouth to Dumbarton bus services, operated by Midland Bluebird, depart from St Andrew`s Church station.
Grangemouth to Dumbarton bus services, operated by Midland Bluebird, arrive at Barloan Toll station.
The distance between Grangemouth and Dumbarton is 53.3 km. The road distance is 83 km.
You can take a bus from Burnbank Road to Barloan Toll via Melville Street, St Andrew`s Church, and Buchanan Bus Station in around 2h 51m.