Seattle (SEA) to Sydney (SYD) flights from $1,151* 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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Find our cheapest Seattle (SEA) to Sydney (SYD) flights departing in the next 12 months

Apr 2025
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$1.9K
Displaying fares for April-2025
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Range$1,927-$2,142

*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)
Jul 29, 2025 - Aug 06, 2025
From
$1,201
Refreshed: 1 hour ago
Per person, return
/
Economy

Seattle (SEA)to

Sydney (SYD)
Jul 01, 2025 - Jul 08, 2025
From
$1,481
Refreshed: 1 day ago
Per person, return
/
Economy

Seattle (SEA)to

Sydney (SYD)
Jun 02, 2025 - Jun 09, 2025
From
$1,592
Refreshed: 17 hrs ago
Per person, return
/
Economy

Seattle (SEA)to

Sydney (SYD)
Jun 08, 2025 - Jun 17, 2025
From
$1,687
Refreshed: 1 day ago
Per person, return
/
Economy

Seattle (SEA)to

Sydney (SYD)
May 06, 2025 - May 15, 2025
From
$1,927
Refreshed: 17 hrs ago
Per person, return
/
Economy

Seattle (SEA)to

Sydney (SYD)
May 08, 2025 - May 15, 2025
From
$1,977
Refreshed: 17 hrs ago
Per person, return
/
Economy

Seattle (SEA)to

Sydney (SYD)
May 07, 2025 - May 14, 2025
From
$1,977
Refreshed: 12 hrs ago
Per person, return
/
Economy

Seattle (SEA)to

Sydney (SYD)
May 04, 2025 - May 14, 2025
From
$1,982
Refreshed: 12 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		Nov 23, 2025 - Dec 02, 2025

From

$1,151

Refreshed: 1 hour ago

Seattle (SEA)Sydney (SYD)Per person, return
/
Economy		Aug 27, 2025 - Sep 09, 2025

From

$1,201

Refreshed: 1 day ago

Seattle (SEA)Sydney (SYD)Per person, return
/
Economy		Nov 18, 2025 - Dec 02, 2025

From

$1,201

Refreshed: 1 hour ago

Seattle (SEA)Sydney (SYD)Per person, return
/
Economy		Nov 22, 2025 - Dec 02, 2025

From

$1,201

Refreshed: 1 hour ago

Seattle (SEA)Sydney (SYD)Per person, return
/
Economy		Nov 24, 2025 - Dec 02, 2025

From

$1,201

Refreshed: 1 hour 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