Alaska Airlines Flights from Phoenix to Seattle

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Lowest fares from Phoenix to Seattle

Jul 2025
From$84*
Seen: 16 hours ago
Flight Type One Way|Saver
$84
$329
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    • Range$84-$329

    *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 Phoenix to Seattle.*

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    One-way low-fare flights Phoenix to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Phoenix (PHX)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 24, 2025

    From

    $80

    Seen: 16 hours ago

    Phoenix (PHX)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 30, 2025

    From

    $80

    Seen: 16 hours ago

    Phoenix (PHX)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 15, 2025

    From

    $80

    Seen: 16 hours ago

    Phoenix (PHX)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 12, 2025

    From

    $80

    Seen: 16 hours ago

    Phoenix (PHX)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 3, 2025

    From

    $80

    Seen: 16 hours ago

    Phoenix (PHX)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 16, 2025

    From

    $80

    Seen: 16 hours ago

    Phoenix (PHX)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 24, 2025

    From

    $80

    Seen: 16 hours ago

    Phoenix (PHX)Seattle (SEA)One-way
    |
    Saver    		Depart: Aug 19, 2025

    From

    $80

    Seen: 16 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.

    Looking for more? See other routes