Alaska Airlines Flights from Portland to Great Falls

Lowest fares from Portland to Great Falls

Apr 2026
From$502*
Seen: 6 hours ago
Flight Type One Way|Saver
May 2026
Try another month to see offers
Jun 2026
From$260*
Seen: 1 day ago
Flight Type One Way|Saver
$502
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    • Range$502

    *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 Great Falls.*

    $
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    One-way low-fare flights Portland to Great Falls.*
    From
    To
    Fare Type
    Dates
    Price
    Portland (PDX)Great Falls (GTF)One-way
    |
    Saver    		Depart: Apr 20, 2026

    From

    $502

    Seen: 6 hours ago

    Portland (PDX)Great Falls (GTF)One-way
    |
    Saver    		Depart: Jun 25, 2026

    From

    $260

    Seen: 1 day 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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