Alaska Airlines Flights from Detroit to Seattle

Lowest fares from Detroit to Seattle

Jun 2026
From$234*
Seen: 11 hours ago
Flight Type One Way|Saver
Jul 2026
From$153*
Seen: 1 minute ago
Flight Type One Way|Saver
Aug 2026
From$234*
Seen: 11 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $234
cmp-daily-histogram-bars-legend-max-price-aria-label $419
Displaying fares for June-2026
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    • Range$234-$419

    *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 Detroit to Seattle.*

    $
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    One-way low-fare flights Detroit to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Detroit (DTW)Seattle (SEA)One-way
    |
    Saver    		Depart: Jul 8, 2026

    From

    $153

    Seen: 1 minute ago

    Detroit (DTW)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 10, 2026

    From

    $234

    Seen: 11 hours ago

    Detroit (DTW)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 21, 2026

    From

    $234

    Seen: 11 hours ago

    Detroit (DTW)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 24, 2026

    From

    $234

    Seen: 11 hours ago

    Detroit (DTW)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 25, 2026

    From

    $234

    Seen: 11 hours ago

    Detroit (DTW)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 26, 2026

    From

    $234

    Seen: 11 hours ago

    Detroit (DTW)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 2, 2026

    From

    $234

    Seen: 11 hours ago

    Detroit (DTW)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 5, 2026

    From

    $234

    Seen: 11 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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