Alaska Airlines Flights from Boise to San Jose

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Lowest fares from Boise to San Jose

Jul 2025
From$109*
Seen: 1 hour ago
Flight Type One Way|Saver
$42
$284
Displaying fares for July-2025
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    • Range$42-$284

    *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 Boise to San Jose.*

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    One-way low-fare flights Boise to San Jose.*
    From
    To
    Fare Type
    Dates
    Price
    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Dec 3, 2025

    From

    $42

    Seen: 1 hour ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Aug 6, 2025

    From

    $42

    Seen: 1 hour ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Aug 13, 2025

    From

    $42

    Seen: 1 hour ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Aug 16, 2025

    From

    $42

    Seen: 1 hour ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Aug 19, 2025

    From

    $42

    Seen: 1 hour ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Aug 23, 2025

    From

    $42

    Seen: 1 hour ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Aug 26, 2025

    From

    $42

    Seen: 1 hour ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Aug 30, 2025

    From

    $42

    Seen: 1 hour 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.