The average bus between Dumbarton and Lochwinnoch takes 1h 46m and the fastest bus takes 1h 30m. The bus service runs several times per day from Dumbarton to Lochwinnoch. 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 3 hours between Dumbarton and Lochwinnoch. The earliest departure is at 6:14 AM in the morning, and the last departure from Dumbarton is at 10:19 PM which arrives into Lochwinnoch at 7:33 AM. All services require a transfer at James Watt Street and take an average of 1h 46m. The schedules shown below are for the next available departures.

1h 38m • 1 change

1h 32m • 1 change

1h 34m • 1 change

1h 30m • 1 change

1h 40m • 1 change

1h 49m • 1 change

1h 38m • 1 change

1h 32m • 1 change

1h 40m • 1 change

1h 49m • 1 change

1h 38m • 1 change

1h 32m • 1 change

1h 40m • 1 change

1h 49m • 1 change

1h 38m • 1 change

1h 32m • 1 change

1h 34m • 1 change

1h 34m • 1 change

1h 30m • 1 change

1h 36m • 1 change
Want to know about travelling from Dumbarton to Lochwinnoch? 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 Lochwinnoch. However, there are services departing from Dumbarton station and arriving at Lochwinnoch station via James Watt Street. The journey, including transfers, takes approximately 1h 46m.
Dumbarton to Lochwinnoch bus services, operated by First Greater Glasgow, depart from Quay Street station.
Dumbarton to Lochwinnoch bus services, operated by First Greater Glasgow, arrive at A737 Roundabout station.
The distance between Dumbarton and Lochwinnoch is 17 km. The road distance is 55 km.
You can take a bus from Quay Street to A737 Roundabout via James Watt Street and West Campbell Street in around 2h 6m.