The average train between Dumbarton and London takes 6h 44m and the fastest train takes 5h 58m. There is a train service every few hours 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.
Trains run hourly between Dumbarton and London. The earliest departure is at 6:08 AM in the morning, and the last departure from Dumbarton is at 9:45 PM which arrives into London at 9:47 AM. All services require a transfer at Hielenman's Umbrella and take an average of 6h 44m. The schedules shown below are for the next available departures.

6h 5m • 1 change
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6h 50m • 1 change
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6h 28m • 1 change
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6h 47m • 1 change
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6h 30m • 1 changeWant 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 train from Dumbarton to London. However, there are services departing from Glasgow Central station and arriving at London Euston station via London Euston station. The journey, including transfers, takes approximately 6h 44m.
Dumbarton to London train services, operated by Avanti West Coast, depart from Glasgow Central station.
Dumbarton to London train services, operated by Avanti West Coast, arrive at London Euston station.
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The distance between Dumbarton and London is 573.2 km. The road distance is 663 km.
Avanti West Coast operates a train from Glasgow Central to London Euston hourly. Tickets cost £130–220 and the journey takes 4h 38m. Caledonian Sleeper also services this route once daily.