Seattle (SEA) to Sydney (SYD) flights from $1,492* with Air New Zealand

Search and book flights between Seattle and Sydney by comparing our fares shown on this page. Plan your adventure today!

Find our cheapest Seattle (SEA) to Sydney (SYD) flights departing in the next 12 months

Apr 2025
From$2,573*
Refreshed: 10 hrs ago
Per person, return/Economy
$1.8K
Displaying fares for April-2025
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Range$1,827-$2,573

*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 Seattle (SEA) to Sydney (SYD) flights departing in the next 90 days

Seattle (SEA)to

Sydney (SYD)
May 04, 2025 - May 16, 2025
From
$1,827
Refreshed: 23 hrs ago
Per person, return
/
Economy

Seattle (SEA)to

Sydney (SYD)
Jun 15, 2025 - Jun 19, 2025
From
$2,123
Refreshed: 10 hrs ago
Per person, return
/
Economy

Seattle (SEA)to

Sydney (SYD)
Apr 18, 2025 - Apr 20, 2025
From
$2,573
Refreshed: 10 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.

Compare & book Air NZ flights from Seattle (SEA) to Sydney (SYD) departing over the next 11 months

Compare & book Air NZ flights from Seattle (SEA) to Sydney (SYD) departing over the next 11 months
From
To
Fare Type
Dates
Price
Seattle (SEA)Sydney (SYD)Per person, return
/
Economy		Aug 24, 2025 - Sep 07, 2025

From

$1,492

Refreshed: 1 day ago

Seattle (SEA)Sydney (SYD)Per person, return
/
Economy		Aug 26, 2025 - Sep 08, 2025

From

$1,492

Refreshed: 1 day ago

Seattle (SEA)Sydney (SYD)Per person, return
/
Economy		Aug 31, 2025 - Sep 15, 2025

From

$1,492

Refreshed: 23 hrs ago

Seattle (SEA)Sydney (SYD)Per person, return
/
Economy		Sep 01, 2025 - Sep 16, 2025

From

$1,492

Refreshed: 23 hrs ago

Seattle (SEA)Sydney (SYD)Per person, return
/
Economy		Aug 27, 2025 - Sep 03, 2025

From

$1,492

Refreshed: 1 day 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.

Explore flights to Sydney

Air New Zealand
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*Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges