Alaska Airlines Flights from San Antonio to Seattle

Lowest fares from San Antonio to Seattle

Apr 2026
From$332*
Seen: 17 hours ago
Flight Type One Way|Saver
May 2026
From$249*
Seen: 17 hours ago
Flight Type One Way|Saver
Jun 2026
From$249*
Seen: 17 hours ago
Flight Type One Way|Saver
$249
$524
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    • Range$249-$524

    *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: Jun 5, 2026

    From

    $249

    Seen: 14 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: May 13, 2026

    From

    $249

    Seen: 4 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: May 14, 2026

    From

    $249

    Seen: 4 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 7, 2026

    From

    $249

    Seen: 17 hours ago

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

    From

    $249

    Seen: 17 hours ago

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

    From

    $249

    Seen: 17 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 6, 2026

    From

    $249

    Seen: 17 hours ago

    San Antonio (SAT)Seattle (SEA)One-way
    |
    Saver    		Depart: Jun 8, 2026

    From

    $249

    Seen: 17 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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