Alaska Airlines Flights from Seattle to Missoula

Lowest fares from Seattle to Missoula

May 2026
From$209*
Seen: 18 hours ago
Flight Type One Way|Saver
Jun 2026
From$129*
Seen: 18 hours ago
Flight Type One Way|Saver
Jul 2026
From$179*
Seen: 18 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $374
Displaying fares for May-2026
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    • Range$129-$374

    *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 Seattle to Missoula.*

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

    From

    $129

    Seen: 18 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Jun 9, 2026

    From

    $129

    Seen: 18 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Jun 8, 2026

    From

    $139

    Seen: 18 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Jun 7, 2026

    From

    $139

    Seen: 18 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Aug 23, 2026

    From

    $179

    Seen: 18 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Aug 24, 2026

    From

    $179

    Seen: 18 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Aug 28, 2026

    From

    $179

    Seen: 18 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Sep 7, 2026

    From

    $179

    Seen: 18 hours 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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