The average bus between London and Dumbarton takes 12h 2m and the fastest bus takes 9h 58m. The bus service runs several times per day from London 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 London and Dumbarton. The earliest departure is at 7:30 AM in the morning, and the last departure from London is at 11:59 PM which arrives into Dumbarton at 11:10 AM. All services require a transfer at Golders Green station and take an average of 12h 2m. The schedules shown below are for the next available departures.


12h 54m • 2 changes


12h 47m • 2 changes


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12h 27m • 2 changes


12h 59m • 2 changes


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12h 59m • 2 changes


12h 42m • 2 changes


12h 47m • 2 changes


12h 26m • 2 changes


12h 59m • 2 changes


12h 42m • 2 changes


12h 47m • 2 changes


12h 26m • 2 changes


12h 59m • 2 changes


13h 17m • 2 changes


13h 32m • 2 changes


12h 26m • 2 changes


12h 54m • 2 changes


12h 47m • 2 changes


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12h 27m • 2 changes
Want to know about travelling from London 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 London to Dumbarton. However, there are services departing from London station and arriving at Dumbarton station via Buchanan Bus Station station. The journey, including transfers, takes approximately 12h 2m.
London to Dumbarton bus services, operated by FlixBus, depart from Golders Green Station.
London to Dumbarton bus services, operated by FlixBus, arrive at Buchanan Bus Station.
Book your London to Dumbarton bus tickets online with FlixBus, McGills Buses and 3 other operators.
The distance between London and Dumbarton is 573.2 km. The road distance is 670 km.
National Express operates a bus from Golders Green Station to Buchanan Bus Station every 4 hours. Tickets cost £70–180 and the journey takes 8h 5m.