Alaska Airlines Flights from San Antonio to Seattle

Lowest fares from San Antonio to Seattle

Jul 2026
From$309*
Seen: 18 hours ago
Flight Type One Way|Saver
Aug 2026
From$224*
Seen: 18 hours ago
Flight Type One Way|Saver
Sep 2026
From$224*
Seen: 18 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $224
cmp-daily-histogram-bars-legend-max-price-aria-label $484
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    • Range$224-$484

    *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 San Antonio to Seattle.*

    $
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    One-way low-fare flights San Antonio to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Aug 30, 2026

    From

    $224

    Seen: 18 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 9, 2026

    From

    $224

    Seen: 18 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 11, 2026

    From

    $224

    Seen: 18 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $224

    Seen: 18 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 18, 2026

    From

    $224

    Seen: 18 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 22, 2026

    From

    $224

    Seen: 18 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 15, 2026

    From

    $224

    Seen: 18 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 19, 2026

    From

    $224

    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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