*Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges. For flights to or from Sydney, prices may be based on travel to or from SYD or WSI airports.
Seattle (SEA) to Adelaide (ADL) flights from $1,527* with Air New Zealand
Search and book flights between Seattle and Adelaide 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 Seattle (SEA) to Adelaide (ADL)
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Compare & book Air NZ Seattle (SEA) to Adelaide (ADL) flights departing in the next 90 days
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Seattle (SEA)to
Adelaide (ADL)Sep 02, 2026 - Sep 28, 2026
From
$1,527
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Aug 31, 2026 - Sep 28, 2026
From
$1,527
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Aug 24, 2026 - Sep 09, 2026
From
$1,527
Refreshed: 23 hrs ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Sep 14, 2026 - Sep 30, 2026
From
$1,532
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Aug 24, 2026 - Sep 02, 2026
From
$1,537
Refreshed: 13 hrs ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Aug 17, 2026 - Sep 02, 2026
From
$1,537
Refreshed: 3 hrs ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Aug 19, 2026 - Sep 02, 2026
From
$1,542
Refreshed: 17 hrs ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Aug 19, 2026 - Sep 06, 2026
From
$1,542
Refreshed: 13 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.