Alaska Airlines Flights from Ontario to Boise

Lowest fares from Ontario to Boise

Jul 2026
From$299*
Seen: 5 hours ago
Flight Type One Way|Saver
Aug 2026
From$139*
Seen: 1 day ago
Flight Type One Way|Saver
Sep 2026
From$129*
Seen: 22 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $174
cmp-daily-histogram-bars-legend-max-price-aria-label $379
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    • Range$174-$379

    *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 Ontario to Boise.*

    $
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    One-way low-fare flights Ontario to Boise.*
    From
    To
    Fare Type
    Dates
    Price
    Ontario (ONT)Boise (BOI)One-way
    |
    Saver    		Depart: Aug 14, 2026

    From

    $174

    Seen: 10 hours ago

    Ontario (ONT)Boise (BOI)One-way
    |
    Saver    		Depart: Aug 5, 2026

    From

    $229

    Seen: 5 hours ago

    Ontario (ONT)Boise (BOI)One-way
    |
    Saver    		Depart: Jul 26, 2026

    From

    $299

    Seen: 5 hours ago

    Ontario (ONT)Boise (BOI)One-way
    |
    Saver    		Depart: Jul 27, 2026

    From

    $299

    Seen: 3 hours ago

    Ontario (ONT)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 10, 2026

    From

    $129

    Seen: 22 hours ago

    Ontario (ONT)Boise (BOI)One-way
    |
    Saver    		Depart: Aug 21, 2026

    From

    $139

    Seen: 1 day ago

    Ontario (ONT)Boise (BOI)One-way
    |
    Saver    		Depart: Aug 6, 2026

    From

    $174

    Seen: 1 day ago

    Ontario (ONT)Boise (BOI)One-way
    |
    Saver    		Depart: Aug 2, 2026

    From

    $229

    Seen: 20 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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