Alaska Airlines Flights from Houston to Ontario

Lowest fares from Houston to Ontario

Apr 2026
From$189*
Seen: 10 hours ago
Flight Type One Way|Saver
May 2026
From$149*
Seen: 10 hours ago
Flight Type One Way|Saver
Jun 2026
From$161*
Seen: 10 hours ago
Flight Type One Way|Saver
$149
$604
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    • Range$149-$604

    *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.*

    $
    keyboard_arrow_down
    One-way low-fare flights Houston to Ontario.*
    From
    To
    Fare Type
    Dates
    Price
    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: May 5, 2026

    From

    $149

    Seen: 10 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: May 6, 2026

    From

    $149

    Seen: 10 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: May 9, 2026

    From

    $149

    Seen: 10 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Jun 3, 2026

    From

    $161

    Seen: 10 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Jun 9, 2026

    From

    $161

    Seen: 10 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Aug 19, 2026

    From

    $166

    Seen: 10 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Aug 26, 2026

    From

    $166

    Seen: 10 hours ago

    Houston (IAH)Ontario (ONT)One-way
    |
    Saver    		Depart: Sep 1, 2026

    From

    $166

    Seen: 10 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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