Book flights from Seattle to Australia with Cathay Pacific from USD1,305

1 Passenger(s), Economy

PROMOTION CODE (OPTIONAL)

ORIGIN

DESTINATION

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Popular flights from Seattle to Australia

LEAVING FROM

GOING TO

Budget

USD

CABIN CLASS

Seattle (SEA)to
Perth (PER)
04/03/2027 - 08/04/2027
From
USD1,305
Seen 6 hours ago
Round-trip
Economy
Seattle (SEA)to
Melbourne (MEL)
22/09/2026 - 12/10/2026
From
USD1,367
Seen 8 hours ago
Round-trip
Economy
Seattle (SEA)to
Sydney (SYD)
14/12/2026 - 03/01/2027
From
USD3,393
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.)

Explore flight fares from Seattle to Australia

Make flexible bookings with Cathay Pacific and enjoy hassle-free travel when plans change.

LEAVING FROM

GOING TO

Budget

USD

Journey Types

Seattle (SEA)to

Melbourne (MEL)

22/09/2026 - 12/10/2026

Round-trip

Economy

From

USD1,367

Seen 8 hours ago

Seattle (SEA)to

Melbourne (MEL)

26/09/2026 - 12/10/2026

Round-trip

Economy

From

USD1,367

Seen 8 hours ago

Seattle (SEA)to

Melbourne (MEL)

04/10/2026 - 12/10/2026

Round-trip

Economy

From

USD1,412

Seen 8 hours ago

Seattle (SEA)to

Sydney (SYD)

10/12/2026 - 03/01/2027

Round-trip

Economy

From

USD3,393

Seen 1 day ago

Seattle (SEA)to

Sydney (SYD)

15/12/2026 - 03/01/2027

Round-trip

Economy

From

USD3,393

Seen 1 day ago

Seattle (SEA)to

Sydney (SYD)

14/12/2026 - 03/01/2027

Round-trip

Economy

From

USD3,393

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.