Seattle (SEA) to Australia flights from $1,154* with Air New Zealand

Search and book flights between Seattle and Australia by comparing our fares shown on this page. Plan your adventure today!

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Explore Air NZ flights from Seattle (SEA) to Australia departing in the next 90 days

Fares shown in this carousel are for return flights scheduled to depart in the next 3 months. Use the filters to narrow down your search for Seattle to Australia flights.

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  • Seattle (SEA)to

    Cairns (CNS)
    May 24, 2026 - Jun 02, 2026
    From
    $1,351
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Hobart (HBA)
    May 24, 2026 - Jun 08, 2026
    From
    $1,711
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Perth (PER)
    Apr 28, 2026 - May 18, 2026
    From
    $1,424
    Refreshed: 1 day ago
    Per person, return
    Economy

*Fares displayed have been available for flights searched within the last 24 hours and may not currently be available at time of booking. Flights may not be available at peak times or on all flights. Additional fees, including service/card payment fees may apply. Other terms and conditions may also apply.

Compare & book Air NZ flights from Seattle (SEA) to Australia departing in the next 11 months

Seattle (SEA)to

Sydney (SYD)
Nov 22, 2026 - Dec 01, 2026

Per person, return

Economy

From
$1,159
Refreshed: 1 day ago

Seattle (SEA)to

Melbourne (MEL)
Aug 04, 2026 - Aug 19, 2026

Per person, return

Economy

From
$1,160
Refreshed: 1 day ago

Seattle (SEA)to

Adelaide (ADL)
Sep 02, 2026 - Sep 09, 2026

Per person, return

Economy

From
$1,208
Refreshed: 1 day ago

Seattle (SEA)to

Brisbane (BNE)
Aug 19, 2026 - Sep 08, 2026

Per person, return

Economy

From
$1,157
Refreshed: 23 hrs ago

Seattle (SEA)to

Cairns (CNS)
Aug 18, 2026 - Aug 27, 2026

Per person, return

Economy

From
$1,400
Refreshed: 21 hrs ago

Seattle (SEA)to

Hobart (HBA)
Jan 10, 2027 - Jan 19, 2027

Per person, return

Economy

From
$1,880
Refreshed: 1 day ago

*Fares displayed have been available for flights searched within the last 24 hours and may not currently be available at time of booking. Flights may not be available at peak times or on all flights. Additional fees, including service/card payment fees may apply. Other terms and conditions may also apply.

Explore more flight routes from Seattle

*Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges