Alaska Airlines Flights from San Jose to Ontario

Lowest fares from San Jose to Ontario

Jul 2026
From$622*
Seen: 1 day ago
Flight Type One Way|Saver
Aug 2026
Try another month to see offers
Sep 2026
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cmp-daily-histogram-bars-legend-min-price-aria-label $622
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    • Range$622

    *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 San Jose to Ontario.*

    $
    keyboard_arrow_down
    One-way low-fare flights San Jose to Ontario.*
    From
    To
    Fare Type
    Dates
    Price
    San Jose (SJC)Ontario (ONT)One-way
    |
    Saver    		Depart: Jul 22, 2026

    From

    $622

    Seen: 1 day 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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