Alaska Airlines Flights from Portland to Sydney

Lowest fares from Portland to Sydney

Jun 2026
From$629*
Seen: 6 hours ago
Flight Type One Way|Saver
Jul 2026
From$628*
Seen: 6 hours ago
Flight Type One Way|Saver
Aug 2026
From$628*
Seen: 6 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $629
cmp-daily-histogram-bars-legend-max-price-aria-label $1.4K
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    • Range$629-$1,385

    *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 Portland to Sydney.*

    $
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    One-way low-fare flights Portland to Sydney.*
    From
    To
    Fare Type
    Dates
    Price
    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Aug 5, 2026

    From

    $628

    Seen: 6 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Aug 19, 2026

    From

    $628

    Seen: 6 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Aug 24, 2026

    From

    $628

    Seen: 6 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Sep 7, 2026

    From

    $628

    Seen: 6 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Sep 9, 2026

    From

    $628

    Seen: 6 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Sep 21, 2026

    From

    $628

    Seen: 6 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Sep 23, 2026

    From

    $628

    Seen: 6 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Oct 28, 2026

    From

    $628

    Seen: 6 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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