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Seattle (SEA) to Sydney (SYD) flights from $1,107* 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 our cheapest Seattle (SEA) to Sydney (SYD) flights departing in the next 12 months
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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)Oct 29, 2025 - Nov 05, 2025
From
$1,109
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 22, 2025 - Oct 29, 2025
From
$1,109
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 26, 2025 - Nov 05, 2025
From
$1,109
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 27, 2025 - Nov 05, 2025
From
$1,109
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 28, 2025 - Nov 04, 2025
From
$1,109
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Sep 21, 2025 - Oct 05, 2025
From
$1,157
Refreshed: 12 hrs ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Sep 09, 2025 - Sep 16, 2025
From
$1,159
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Sydney (SYD)Oct 15, 2025 - Nov 05, 2025
From
$1,159
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.
Compare & book Air NZ flights from Seattle (SEA) to Sydney (SYD) departing over the next 11 months
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Seattle (SEA) | Sydney (SYD) | Per person, return / Economy | Nov 23, 2025 - Dec 02, 2025 | From $1,107 Refreshed: 5 hrs ago |
| Seattle (SEA) | Sydney (SYD) | Per person, return / Economy | Nov 24, 2025 - Dec 03, 2025 | From $1,107 Refreshed: 5 hrs ago |
| Seattle (SEA) | Sydney (SYD) | Per person, return / Economy | Nov 25, 2025 - Dec 02, 2025 | From $1,107 Refreshed: 5 hrs ago |
| Seattle (SEA) | Sydney (SYD) | Per person, return / Economy | Nov 10, 2025 - Nov 19, 2025 | From $1,107 Refreshed: 5 hrs ago |
| Seattle (SEA) | Sydney (SYD) | Per person, return / Economy | Nov 09, 2025 - Nov 16, 2025 | From $1,107 Refreshed: 12 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.
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*Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges