*Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges
Seattle (SEA) to Sydney (SYD) flights from $1,447* with Air New Zealand
Search and book flights between Seattle and Sydney by comparing our fares shown on this page. Plan your adventure today!
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1 Passenger, Economy - lowest
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Find the best fares for flights from Seattle (SEA) to Sydney (SYD)
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Compare & book Air NZ Seattle (SEA) to Sydney (SYD) flights departing in the next 90 days
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Seattle (SEA)to
Sydney (SYD)Apr 16, 2026 - May 03, 2026
From
$1,508
Refreshed: 23 hrs ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Feb 26, 2026 - Mar 06, 2026
From
$1,613
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Feb 22, 2026 - Mar 06, 2026
From
$1,763
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Feb 21, 2026 - Mar 06, 2026
From
$1,808
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Mar 08, 2026 - Apr 06, 2026
From
$1,810
Refreshed: 13 hrs ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Mar 10, 2026 - Apr 05, 2026
From
$1,810
Refreshed: 13 hrs ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Feb 25, 2026 - Mar 04, 2026
From
$1,813
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Feb 23, 2026 - Mar 03, 2026
From
$1,813
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.