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How to get fromHelena to Seattle Airport (SEA)by plane, bus (Flixbus), bus, train, car, or bus (Amtrak)

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There are 8 ways to get from Helena to Seattle Airport (SEA) by plane, bus (Flixbus), bus, train, car, or bus (Amtrak)

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

  1. Fly from Helena Regional Airport

    best
    1. Fly from Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA)plane plane HLN - SEA
    2h 3m
    $181–913

  2. Drive 590.5 mi

    cheapest
    1. Drive from Helena to Seattle Airport (SEA)car car 590.5 mi
    9h 31m
    $108–156

  3. Bus

    1. Take the bus from Helena, MT to Butte, MTbus bus
    2. Take the bus from Butte to Spokanebus bus
    3. Take the bus from Spokane Station to Seattle Tacoma Intl Airportbus bus
    15h 10m
    $139–236

  4. Bus, train

    1. Take the bus from Helena, MT to Great Falls Transfer Centerbus bus
    2. Take the bus from Great Falls Transfer Center to Shelby Amtrak Stationbus bus
    3. Take the train from Shelby Amtrak Station to Seattletrain train
    24h 28m
    $249–541

  5. Drive to Gallatin Field Airport, fly

    1. Drive from Helena to Bozeman-Airport-BZNcar car
    2. Fly from Gallatin Field Airport (BZN) to Seattle-Tacoma International Airport (SEA)plane plane BZN - SEA
    3h 30m
    $147–414

  6. Drive to Missoula International Airport, fly

    1. Drive from Helena to Missoula-Airport-MSOcar car
    2. Fly from Missoula International Airport (MSO) to Seattle-Tacoma International Airport (SEA)plane plane MSO - SEA
    3h 28m
    $212–441

  7. Bus to Great Falls International Airport, fly

    1. Take the bus from Helena, MT to Great Falls Transfer Centerbus bus
    2. Fly from Great Falls International Airport (GTF) to Seattle-Tacoma International Airport (SEA)plane plane GTF - SEA
    5h 59m
    $294–1,457

  8. Bus via Seattle Amtrak Station

    1. Take the bus from Helena, MT to Butte, MTbus bus
    2. Take the bus from Butte to Spokanebus bus
    3. Take the bus from Spokane to Seattle Amtrak Stationbus bus
    17h 45m
    $150–307

Helena to Seattle Airport (SEA) by bus

Calendar7Weekly Buses
Duration15h 10mAverage Duration
Ticket$139Cheapest Price
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Questions & Answers

Map of how to get from Helena to Seattle Airport (SEA).ExpandLaunch map view
  • Distance: 492 mi
  • Duration: 2h 3m

What companies run services between Helena, MT, USA and Seattle Airport (SEA), USA?

Alaska Airlines, Inc. flies from Helena Regional Airport (HLN) to Seattle-Tacoma International Airport (SEA) once daily. Alternatively, you can take a bus from Helena, MT to Seattle Tacoma Intl Airport via Butte, Spokane, and Spokane Station in around 15h 10m.

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