Alaska Airlines Flights from Portland to Sydney

Lowest fares from Portland to Sydney

Apr 2026
From$636*
Seen: 17 hours ago
Flight Type One Way|Saver
May 2026
From$636*
Seen: 17 hours ago
Flight Type One Way|Saver
Jun 2026
From$636*
Seen: 17 hours ago
Flight Type One Way|Saver
$636
$1.1K
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    • Range$636-$1,131

    *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 22, 2026

    From

    $628

    Seen: 17 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Aug 29, 2026

    From

    $628

    Seen: 17 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Sep 10, 2026

    From

    $628

    Seen: 17 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Sep 18, 2026

    From

    $628

    Seen: 17 hours ago

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

    From

    $628

    Seen: 17 hours ago

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

    From

    $628

    Seen: 17 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Sep 26, 2026

    From

    $628

    Seen: 17 hours ago

    Portland (PDX)Sydney (SYD)One-way
    |
    Saver    		Depart: Aug 20, 2026

    From

    $628

    Seen: 17 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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