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. 
Houston (IAH) to Sydney (SYD) flights from $1,235* with Air New Zealand
Search and book flights between Houston 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 Houston (IAH) to Sydney (SYD)
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Compare & book Air NZ Houston (IAH) to Sydney (SYD) flights departing in the next 90 days
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Houston (IAH)to
Sydney (SYD)Jan 22, 2026 - Feb 04, 2026
From
$1,285
Refreshed: 18 hrs ago
Per person, return
Economy
Houston (IAH)to
Sydney (SYD)Jan 21, 2026 - Feb 04, 2026
From
$1,387
Refreshed: 18 hrs ago
Per person, return
Economy
Houston (IAH)to
Sydney (SYD)Jan 20, 2026 - May 01, 2026
From
$1,442
Refreshed: 2 hrs ago
Per person, return
Economy
Houston (IAH)to
Sydney (SYD)Jan 19, 2026 - Feb 02, 2026
From
$1,487
Refreshed: 16 hrs ago
Per person, return
Economy
Houston (IAH)to
Sydney (SYD)Jan 20, 2026 - Feb 04, 2026
From
$1,491
Refreshed: 18 hrs ago
Per person, return
Economy
Houston (IAH)to
Sydney (SYD)Jan 14, 2026 - May 03, 2026
From
$1,739
Refreshed: 2 hrs ago
Per person, return
Economy
Houston (IAH)to
Sydney (SYD)Jan 14, 2026 - Feb 03, 2026
From
$1,749
Refreshed: 18 hrs ago
Per person, return
Economy
Houston (IAH)to
Sydney (SYD)Jan 16, 2026 - Feb 02, 2026
From
$1,789
Refreshed: 18 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