Alaska Airlines Flights from Portland to San Antonio

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Lowest fares from Portland to San Antonio

Jul 2025
From$149*
Seen: 23 minutes ago
Flight Type One Way|Saver
$149
$485
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    • Range$149-$485

    *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: Dec 15, 2025

    From

    $143

    Seen: 23 minutes ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Oct 31, 2025

    From

    $143

    Seen: 23 minutes ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Nov 5, 2025

    From

    $143

    Seen: 23 minutes ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Nov 10, 2025

    From

    $143

    Seen: 23 minutes ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Oct 20, 2025

    From

    $143

    Seen: 23 minutes ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Oct 30, 2025

    From

    $143

    Seen: 23 minutes ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Nov 3, 2025

    From

    $143

    Seen: 23 minutes ago

    Portland (PDX)San Antonio (SAT)One-way
    |
    Saver    		Depart: Nov 6, 2025

    From

    $143

    Seen: 23 minutes 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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