Alaska Airlines Flights from Seattle to San Antonio

Lowest fares from Seattle to San Antonio

Jul 2026
From$255*
Seen: 4 hours ago
Flight Type One Way|Saver
Aug 2026
From$224*
Seen: 4 hours ago
Flight Type One Way|Saver
Sep 2026
From$224*
Seen: 4 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 Seattle to San Antonio.*

    $
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    One-way low-fare flights Seattle to San Antonio.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Oct 24, 2026

    From

    $224

    Seen: 4 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Oct 28, 2026

    From

    $224

    Seen: 4 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Oct 30, 2026

    From

    $224

    Seen: 4 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Nov 3, 2026

    From

    $224

    Seen: 4 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Nov 10, 2026

    From

    $224

    Seen: 4 hours ago

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

    From

    $224

    Seen: 4 hours ago

    Seattle (SEA)San Antonio (SAT)One-way
    |
    Saver    		Depart: Nov 17, 2026

    From

    $224

    Seen: 4 hours ago

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

    From

    $224

    Seen: 4 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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