Alaska Airlines Flights from Newark to Ontario

Lowest fares from Newark to Ontario

Apr 2026
From$254*
Seen: 17 hours ago
Flight Type One Way|Saver
May 2026
From$299*
Seen: 4 hours ago
Flight Type One Way|Saver
Jun 2026
Try another month to see offers
$254
Displaying fares for April-2026
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    • Range$254-$299

    *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 Newark to Ontario.*

    $
    keyboard_arrow_down
    One-way low-fare flights Newark to Ontario.*
    From
    To
    Fare Type
    Dates
    Price
    Newark (EWR)Ontario (ONT)One-way
    |
    Saver    		Depart: Apr 24, 2026

    From

    $254

    Seen: 17 hours ago

    Newark (EWR)Ontario (ONT)One-way
    |
    Saver    		Depart: May 3, 2026

    From

    $299

    Seen: 4 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.

    Looking for more? See other routes