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Seattle (SEA) to Adelaide (ADL) flights from $2,375* 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 our cheapest Seattle (SEA) to Adelaide (ADL) flights departing in the next 12 months
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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)Oct 07, 2025 - Oct 24, 2025
From
$2,375
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Dec 15, 2025 - Jan 07, 2026
From
$2,400
Refreshed: 12 hrs ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Dec 12, 2025 - Jan 07, 2026
From
$2,450
Refreshed: 12 hrs ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Dec 13, 2025 - Jan 07, 2026
From
$2,450
Refreshed: 12 hrs ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Oct 08, 2025 - Oct 22, 2025
From
$2,500
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Oct 06, 2025 - Oct 22, 2025
From
$2,505
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Dec 13, 2025 - Jan 01, 2026
From
$2,605
Refreshed: 1 day ago
Per person, return
Economy
Seattle (SEA)to
Adelaide (ADL)Oct 04, 2025 - Oct 26, 2025
From
$2,735
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 Adelaide (ADL) departing over the next 11 months
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Seattle (SEA) | Adelaide (ADL) | Per person, return / Economy | Dec 16, 2025 - Jan 07, 2026 | From $2,400 Refreshed: 12 hrs ago |
| Seattle (SEA) | Adelaide (ADL) | Per person, return / Economy | Dec 17, 2025 - Jan 07, 2026 | From $2,555 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