Alaska Airlines Flights from Helena to Seattle

Lowest fares from Helena to Seattle

Apr 2026
From$199*
Seen: 1 hour ago
Flight Type One Way|Saver
May 2026
From$109*
Seen: 1 hour ago
Flight Type One Way|Saver
Jun 2026
From$109*
Seen: 1 hour ago
Flight Type One Way|Saver
$109
$369
Displaying fares for April-2026
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    • Range$109-$369

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Helena to Seattle.*

    $
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    One-way low-fare flights Helena to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Helena (HLN)Seattle (SEA)One-way
    |
    Saver    		Depart: May 6, 2026

    From

    $109

    Seen: 1 hour ago

    Helena (HLN)Seattle (SEA)One-way
    |
    Saver    		Depart: May 30, 2026

    From

    $109

    Seen: 1 hour ago

    Helena (HLN)Seattle (SEA)One-way
    |
    Saver    		Depart: May 5, 2026

    From

    $109

    Seen: 1 hour ago

    Helena (HLN)Seattle (SEA)One-way
    |
    Saver    		Depart: May 9, 2026

    From

    $109

    Seen: 1 hour ago

    Helena (HLN)Seattle (SEA)One-way
    |
    Saver    		Depart: May 26, 2026

    From

    $109

    Seen: 1 hour ago

    Helena (HLN)Seattle (SEA)One-way
    |
    Saver    		Depart: May 28, 2026

    From

    $109

    Seen: 1 hour ago

    Helena (HLN)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 6, 2026

    From

    $109

    Seen: 1 hour ago

    Helena (HLN)Seattle (SEA)One-way
    |
    Saver    		Depart: May 23, 2026

    From

    $109

    Seen: 1 hour ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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