Flights from Phoenix, AZ to Seattle, WA

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Best Deals on Flights From Phoenix, AZ (PHX) to Seattle, WA (SEA)

Apr 2026
from$86*
Last seen: 9 hours ago
One-way/Economy
May 2026
from$33*
Last seen: 11 hours ago
One-way/Economy
Jun 2026
from$33*
Last seen: 15 hours ago
One-way/Economy
$33
$166
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    • Range$33-$166

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Phoenix, AZ to Seattle, WA on Frontier

    $
    Flights Deals from Phoenix, AZ to Seattle, WA on Frontier
    From
    To
    Phoenix, AZ (PHX)Seattle, WA (SEA)One-way
    /
    Discount Den Basic Fare    		Departing Aug 7, 2026

    From

    $105

    Last seen: 16 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Phoenix, AZ Seattle, WA

    More Popular Flights From Phoenix, AZ and To Seattle, WA

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