Alaska Airlines Flights from Billings to Portland

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Lowest fares from Billings to Portland

Jul 2025
From$139*
Seen: 19 minutes ago
Flight Type One Way|Saver
$139
$434
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    • Range$139-$434

    *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 Billings to Portland.*

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    One-way low-fare flights Billings to Portland.*
    From
    To
    Fare Type
    Dates
    Price
    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Oct 8, 2025

    From

    $99

    Seen: 19 minutes ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Oct 21, 2025

    From

    $99

    Seen: 19 minutes ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Oct 22, 2025

    From

    $99

    Seen: 19 minutes ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 16, 2025

    From

    $99

    Seen: 19 minutes ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 20, 2025

    From

    $99

    Seen: 19 minutes ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 23, 2025

    From

    $99

    Seen: 19 minutes ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Aug 27, 2025

    From

    $99

    Seen: 19 minutes ago

    Billings (BIL)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 3, 2025

    From

    $99

    Seen: 19 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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