Alaska Airlines Flights from Ontario to Sydney

Lowest fares from Ontario to Sydney

Jul 2026
From$598*
Seen: 3 hours ago
Flight Type One Way|Saver
Aug 2026
From$538*
Seen: 3 hours ago
Flight Type One Way|Saver
Sep 2026
From$538*
Seen: 3 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $538
cmp-daily-histogram-bars-legend-max-price-aria-label $2.0K
Displaying fares for July-2026
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    • Range$538-$2,036

    *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 Ontario to Sydney.*

    $
    keyboard_arrow_down
    One-way low-fare flights Ontario to Sydney.*
    From
    To
    Fare Type
    Dates
    Price
    Ontario (ONT)Sydney (SYD)One-way
    |
    Saver    		Depart: Oct 21, 2026

    From

    $515

    Seen: 3 hours ago

    Ontario (ONT)Sydney (SYD)One-way
    |
    Saver    		Depart: Oct 19, 2026

    From

    $515

    Seen: 3 hours ago

    Ontario (ONT)Sydney (SYD)One-way
    |
    Saver    		Depart: Oct 26, 2026

    From

    $515

    Seen: 3 hours ago

    Ontario (ONT)Sydney (SYD)One-way
    |
    Saver    		Depart: Oct 14, 2026

    From

    $515

    Seen: 3 hours ago

    Ontario (ONT)Sydney (SYD)One-way
    |
    Saver    		Depart: Oct 28, 2026

    From

    $515

    Seen: 3 hours ago

    Ontario (ONT)Sydney (SYD)One-way
    |
    Saver    		Depart: Aug 18, 2026

    From

    $538

    Seen: 3 hours ago

    Ontario (ONT)Sydney (SYD)One-way
    |
    Saver    		Depart: Aug 25, 2026

    From

    $538

    Seen: 3 hours ago

    Ontario (ONT)Sydney (SYD)One-way
    |
    Saver    		Depart: Sep 22, 2026

    From

    $538

    Seen: 3 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.