Seattle (SEA) to Australia flights from $1,103* 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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*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)
Dec 02, 2025 - Dec 15, 2025

Per person, return

Economy

From
$1,107
Refreshed: 2 hrs ago

Seattle (SEA)to

Melbourne (MEL)
Nov 23, 2025 - Dec 02, 2025

Per person, return

Economy

From
$1,157
Refreshed: 15 hrs ago

Seattle (SEA)to

Brisbane (BNE)
Mar 03, 2026 - Mar 29, 2026

Per person, return

Economy

From
$1,103
Refreshed: 3 hrs ago

Seattle (SEA)to

Perth (PER)
Nov 02, 2025 - Nov 11, 2025

Per person, return

Economy

From
$1,380
Refreshed: 3 hrs 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.

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