Book flights from Seattle to Australia with Cathay Pacific from USD1,644

1 Passenger(s), Economy

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Popular flights from Seattle to Australia

LEAVING FROM

GOING TO

Budget

USD

CABIN CLASS

Seattle (SEA)to
Sydney (SYD)
08/09/2026 - 15/09/2026
From
USD1,644
Seen 1 day ago
Round-trip
Economy
Seattle (SEA)to
Brisbane (BNE)
10/08/2026 - 17/08/2026
From
USD3,272
Seen 1 day ago
Round-trip
Economy
Seattle (SEA)to
Perth (PER)
17/11/2026 - 25/11/2026
From
USD1,681
Seen 1 day ago
Round-trip
Economy

Best fares on flights found by others in the last 48 hours. (Please note that some fares may only apply when there are multiple travellers.)

Book flights from Seattle to Australia

LEAVING FROM

GOING TO

Budget

USD

CABIN CLASS

Seattle (SEA)to

Sydney (SYD)

08/09/2026 - 15/09/2026

Round-trip

Economy

From

USD1,644

Seen 1 day ago

Seattle (SEA)to

Brisbane (BNE)

10/08/2026 - 17/08/2026

Round-trip

Economy

From

USD3,272

Seen 1 day ago

Seattle (SEA)to

Perth (PER)

17/11/2026 - 25/11/2026

Round-trip

Economy

From

USD1,681

Seen 1 day ago

Lowest fares on round-trip flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.