From November 2026*, Air New Zealand will operate flights to and from Western Sydney International Airport, alongside our existing services at Sydney Kingsford Smith Airport.
*Subject to Government Approvals.
Seattle (SEA) to Sydney (SYD) flights from $1,519* with Air New Zealand
Search and book flights between Seattle and Sydney by comparing our fares shown on this page. Plan your adventure today!
expand_more
1 Passenger, Economy - lowest
expand_morePromo Code
expand_moretoday
today
Find the best fares for flights from Seattle (SEA) to Sydney (SYD)
location_on
location_on
Compare & book Air NZ Seattle (SEA) to Sydney (SYD) flights departing in the next 90 days
flight_takeoff
flight_land
$
Seattle (SEA)to
Sydney (SYD)Oct 25, 2026 - Nov 04, 2026
From
$1,521
Refreshed: 12 hrs ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Sep 20, 2026 - Nov 04, 2026
From
$1,521
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 26, 2026 - Nov 04, 2026
From
$1,524
Refreshed: 12 hrs ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 26, 2026 - Nov 18, 2026
From
$1,524
Refreshed: 3 hrs ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 28, 2026 - Nov 18, 2026
From
$1,524
Refreshed: 3 hrs ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 28, 2026 - Nov 04, 2026
From
$1,524
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 19, 2026 - Oct 28, 2026
From
$1,525
Refreshed: 8 hrs ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 19, 2026 - Nov 04, 2026
From
$1,525
Refreshed: 15 hrs 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.
Explore flights to Sydney
*Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges. For flights to or from Sydney, prices may be based on travel to or from SYD or WSI airports.