The average bus between Cairnryan Harbour and Dumbarton takes 4h 25m and the fastest bus takes 3h 49m. The bus service runs several times per day from Cairnryan Harbour 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 twice daily between Cairnryan Harbour and Dumbarton. The earliest departure is at 2:00 PM in the afternoon, and the last departure from Cairnryan Harbour is at 6:15 PM which arrives into Dumbarton at 11:26 PM. All services require a transfer at Glasgow Buchanan and take an average of 4h 25m. The schedules shown below are for the next available departures.
Want to know about travelling from Cairnryan Harbour 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 Cairnryan Harbour to Dumbarton. However, there are services departing from Cairnryan Stena Terminal station and arriving at Barloan Toll station via Glasgow Buchanan station. The journey, including transfers, takes approximately 4h 25m.
Cairnryan Harbour to Dumbarton bus services, operated by Translink, depart from Cairnryan Stena Terminal station.
Cairnryan Harbour to Dumbarton bus services, operated by Scottish Citylink Coaches Ltd, arrive at Barloan Toll station.
The distance between Cairnryan Harbour and Dumbarton is 111.7 km. The road distance is 145 km.
You can take a bus from Cairnryan Stena Terminal to Barloan Toll via Glasgow Buchanan and Buchanan Bus Station in around 3h 19m.