The average bus between Dumbarton and London takes 13h 10m and the fastest bus takes 10h 50m. There is at least one bus per day from Dumbarton to London. 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 once daily between Dumbarton and London. The earliest departure is at 8:57 AM in the morning, and the last departure from Dumbarton is at 10:19 PM which arrives into London at 7:20 PM. All services require a transfer at Hielenman's Umbrella and take an average of 13h 10m. The schedules shown below are for the next available departures.


12h 3m • 2 changes
Arrives next day


12h 3m • 2 changes
Arrives next day


11h 8m • 2 changes
Arrives next day


10h 50m • 2 changes
Want to know about travelling from Dumbarton to London? 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 London. However, there are services departing from Dumbarton station and arriving at London station via London Victoria. The journey, including transfers, takes approximately 13h 10m.
Dumbarton to London bus services, operated by First Greater Glasgow, depart from Buchanan Bus Station.
Dumbarton to London bus services, operated by First Greater Glasgow, arrive at London Victoria station.
The distance between Dumbarton and London is 573.2 km. The road distance is 698 km.
FlixBus operates a bus from Buchanan Bus Station to London Victoria hourly. Tickets cost £40–70 and the journey takes 9h 20m.