Alaska Airlines Flights from Chicago to Boise

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Lowest fares from Chicago to Boise

Jun 2025
From$209*
Seen: 16 hours ago
Flight Type One Way|Saver
$145
$425
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    • Range$145-$425

    *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 Chicago to Boise.*

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    One-way low-fare flights Chicago to Boise.*
    From
    To
    Fare Type
    Dates
    Price
    Chicago (ORD)Boise (BOI)One-way
    |
    Saver    		Depart: Oct 28, 2025

    From

    $99

    Seen: 16 hours ago

    Chicago (ORD)Boise (BOI)One-way
    |
    Saver    		Depart: Nov 12, 2025

    From

    $99

    Seen: 16 hours ago

    Chicago (ORD)Boise (BOI)One-way
    |
    Saver    		Depart: Nov 15, 2025

    From

    $99

    Seen: 16 hours ago

    Chicago (ORD)Boise (BOI)One-way
    |
    Saver    		Depart: Aug 23, 2025

    From

    $99

    Seen: 16 hours ago

    Chicago (ORD)Boise (BOI)One-way
    |
    Saver    		Depart: Aug 30, 2025

    From

    $99

    Seen: 16 hours ago

    Chicago (ORD)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 3, 2025

    From

    $99

    Seen: 16 hours ago

    Chicago (ORD)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 10, 2025

    From

    $99

    Seen: 16 hours ago

    Chicago (ORD)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 17, 2025

    From

    $99

    Seen: 16 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.