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How to get fromPortsmouth to Dumbartonby train, bus, car, or plane

Find Transport to Dumbarton

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There are 12 ways to get from Portsmouth to Dumbarton by train, bus, car, or plane

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Train via London

    best
    1. Take the train from Portsmouth & Southsea to London Waterlootrain train Portsmouth Harbour - London Waterloo / ...
    2. Take the train from London Euston to Glasgow Centraltrain train London Euston - Glasgow Central
    7h 42m
    £124–288

  2. Train to Southampton Airport, fly to Glasgow Airport

    cheapest
    1. Take the train from Portsmouth & Southsea to Eastleightrain train
    2. Fly from Southampton Airport (SOU) to Glasgow Airport (GLA)plane plane SOU - GLA
    4h 41m
    £51–198

  3. Train, bus

    1. Take the train from Portsmouth & Southsea to London Waterlootrain train Portsmouth Harbour - London Waterloo / ...
    2. Take the bus from Finchley Road / O2 Centre to Buchanan Bus Stationbus bus Ukn30 / ...
    12h 15m
    £82–140

  4. Drive  448.6 mi

    1. Drive from Portsmouth to Dumbartoncar car 448.6 mi
    7h 45m
    £112–161

  5. Bus to London Heathrow Airport, fly to Glasgow Airport

    1. Take the bus from The Hard Interchange to Heathrow Terminal 5bus bus
    2. Fly from London Heathrow Airport (LHR) to Glasgow Airport (GLA)plane plane LHR - GLA
    5h 10m
    £77–296

  6. Train

    1. Take the train from Southampton Central to Glasgow Centraltrain train Bournemouth - Glasgow Central
    11h 56m
    £245–379

  7. Bus

    1. Take the bus from The Hard Interchange to Heathrow Terminal 5bus bus 030
    2. Take the bus from Heathrow Terminal 5 to Buchanan Bus Stationbus bus 802
    12h 21m
    £79–133

  8. Train to London Gatwick Airport, fly to Glasgow Airport

    1. Take the train from Portsmouth & Southsea to Horshamtrain train
    2. Fly from London Gatwick Airport (LGW) to Glasgow Airport (GLA)plane plane LGW - GLA
    5h 29m
    £64–175

  9. Bus to London Heathrow Airport, fly to Edinburgh Airport, train

    1. Take the bus from The Hard Interchange to Heathrow Terminal 5bus bus
    2. Fly from London Heathrow Airport (LHR) to Edinburgh Airport (EDI)plane plane LHR - EDI
    3. Take the train from Edinburgh Park to Dumbarton Centraltrain train
    6h 10m
    £100–301

  10. Train to London City Airport, fly to Glasgow Airport

    1. Take the train from Portsmouth & Southsea to London Waterlootrain train
    2. Fly from London City Airport (LCY) to Glasgow Airport (GLA)plane plane LCY - GLA
    5h 34m
    £110–383

  11. Fly Southampton Airport to Edinburgh Airport, train

    1. Fly from Southampton Airport (SOU) to Edinburgh Airport (EDI)plane plane SOU - EDI
    2. Take the train from Edinburgh Park to Dumbarton Centraltrain train
    6h 6m
    £109–253

  12. Train to Bristol Airport, fly to Glasgow Airport

    1. Take the train from Portsmouth & Southsea to Bristol Temple Meadstrain train
    2. Fly from Bristol Airport (BRS) to Glasgow Airport (GLA)plane plane BRS - GLA
    6h 33m
    £79–190

Portsmouth to Dumbarton by train and bus

Calendar5Weekly Services
Duration11h 56mAverage Duration
Ticket£245Cheapest Price
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Comparing Your Travel Options

Map of how to get from Portsmouth to Dumbarton.ExpandLaunch map view
  • Distance: 488.3 mi
  • Duration: 7h 42m

What companies run services between Portsmouth, England and Dumbarton, West Dunbartonshire, Scotland?

You can take a train from Portsmouth & Southsea to Dumbarton Central via London Waterloo Station, Waterloo station, Euston station, London Euston, Glasgow Central, Glasgow Central Low Level, and Hyndland in around 7h 42m. Alternatively, you can take a bus from The Hard Interchange to Barloan Toll via Heathrow Terminal 5 and Buchanan Bus Station in around 12h 21m.

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