Alaska Airlines Flights from Houston to Ontario

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Lowest fares from Houston to Ontario

Jun 2025
From$533*
Seen: 18 hours ago
Flight Type One Way|Saver
$138
$589
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    • Range$138-$589

    *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 Houston to Ontario.*

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    One-way low-fare flights Houston to Ontario.*
    From
    To
    Fare Type
    Dates
    Price
    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Sep 29, 2025

    From

    $105

    Seen: 18 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Oct 6, 2025

    From

    $105

    Seen: 18 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Oct 7, 2025

    From

    $105

    Seen: 18 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Oct 13, 2025

    From

    $105

    Seen: 18 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Oct 14, 2025

    From

    $105

    Seen: 18 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Oct 21, 2025

    From

    $105

    Seen: 18 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Oct 22, 2025

    From

    $105

    Seen: 18 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Sep 11, 2025

    From

    $105

    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.