Air New Zealand awards and accreditations - 2025 World's Safest Airline (Airlineratings.com), 2024 World's Safest Airline, Best Premium Economy, Best Economy Class (Airlineratings.com). See these and more Air New Zealand awards & accreditations. 
Saint Louis (STL) to Sydney (SYD) flights from $2,014* with Air New Zealand
Search and book flights between Saint Louis 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 Saint Louis (STL) to Sydney (SYD)
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Compare & book Air NZ Saint Louis (STL) to Sydney (SYD) flights departing in the next 90 days
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Saint Louis (STL)to
Sydney (SYD)Jan 09, 2026 - Feb 04, 2026
From
$2,014
Refreshed: 1 hour ago
Per person, return
Economy
Saint Louis (STL)to
Sydney (SYD)Jan 08, 2026 - Feb 04, 2026
From
$2,108
Refreshed: 1 hour ago
Per person, return
Economy
Saint Louis (STL)to
Sydney (SYD)Jan 03, 2026 - Feb 01, 2026
From
$2,114
Refreshed: 1 hour ago
Per person, return
Economy
Saint Louis (STL)to
Sydney (SYD)Jan 07, 2026 - Feb 01, 2026
From
$2,404
Refreshed: 1 hour ago
Per person, return
Economy
Saint Louis (STL)to
Sydney (SYD)Jan 06, 2026 - Feb 01, 2026
From
$2,408
Refreshed: 1 hour ago
Per person, return
Economy
Saint Louis (STL)to
Sydney (SYD)Jan 05, 2026 - Feb 01, 2026
From
$2,408
Refreshed: 1 hour ago
Per person, return
Economy
Saint Louis (STL)to
Sydney (SYD)Jan 04, 2026 - Feb 04, 2026
From
$2,764
Refreshed: 1 hour 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