Alaska Airlines Flights from Idaho Falls to Boise

Lowest fares from Idaho Falls to Boise

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Mar 2026
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Apr 2026
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May 2026
From$209*
Seen: 18 hours ago
Flight Type One Way|Saver
Displaying fares for March-2026
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    • *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 Idaho Falls to Boise.*

    $
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    One-way low-fare flights Idaho Falls to Boise.*
    From
    To
    Fare Type
    Dates
    Price
    Idaho Falls (IDA)Boise (BOI)One-way
    |
    Saver    		Depart: May 16, 2026

    From

    $209

    Seen: 18 hours ago

    Idaho Falls (IDA)Boise (BOI)One-way
    |
    Saver    		Depart: May 15, 2026

    From

    $242

    Seen: 18 hours ago

    Idaho Falls (IDA)Boise (BOI)One-way
    |
    Saver    		Depart: May 18, 2026

    From

    $242

    Seen: 18 hours ago

    Idaho Falls (IDA)Boise (BOI)One-way
    |
    Saver    		Depart: May 19, 2026

    From

    $242

    Seen: 18 hours ago

    Idaho Falls (IDA)Boise (BOI)One-way
    |
    Saver    		Depart: May 26, 2026

    From

    $262

    Seen: 18 hours ago

    Idaho Falls (IDA)Boise (BOI)One-way
    |
    Saver    		Depart: May 27, 2026

    From

    $262

    Seen: 18 hours ago

    Idaho Falls (IDA)Boise (BOI)One-way
    |
    Saver    		Depart: Jun 2, 2026

    From

    $262

    Seen: 18 hours ago

    Idaho Falls (IDA)Boise (BOI)One-way
    |
    Saver    		Depart: Jun 16, 2026

    From

    $262

    Seen: 18 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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