Alaska Airlines Flights from Portland to San Antonio

Lowest fares from Portland to San Antonio

May 2026
From$214*
Seen: 6 hours ago
Flight Type One Way|Saver
Jun 2026
From$211*
Seen: 6 hours ago
Flight Type One Way|Saver
Jul 2026
From$206*
Seen: 6 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $211
cmp-daily-histogram-bars-legend-max-price-aria-label $509
Displaying fares for May-2026
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    • Range$211-$509

    *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 Portland to San Antonio.*

    $
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    One-way low-fare flights Portland to San Antonio.*
    From
    To
    Fare Type
    Dates
    Price
    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Aug 25, 2026

    From

    $206

    Seen: 6 hours ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Aug 26, 2026

    From

    $206

    Seen: 6 hours ago

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

    From

    $206

    Seen: 6 hours ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Sep 23, 2026

    From

    $206

    Seen: 6 hours ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Oct 14, 2026

    From

    $206

    Seen: 6 hours ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Oct 20, 2026

    From

    $206

    Seen: 6 hours ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Oct 27, 2026

    From

    $206

    Seen: 6 hours ago

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

    From

    $206

    Seen: 6 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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