Cheap flights from Sydney to North Seattle

View AU$754 flight on Mon, 15 Sep. 2025Opens in a new window

Popular airlines from Sydney to North Seattle

  • United

    United

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Virgin Australia

    Virgin Australia

  • Air Canada

    Air Canada

  • Qantas Airways

    Qantas Airways

  • All Nippon Airways

    All Nippon Airways

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Cheap Flights from Sydney (SYD) to North Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 17 Aug. - Wed, 3 Sep.
SYD
Sydney
SEA
Seattle
AU$1,254 Return, found 3 days ago
AU$1,254
Return
found 3 days ago
Select American Airlines flight, departing Sun, 17 Aug. from Sydney to Seattle, returning Wed, 3 Sep., priced at AU$1,254 found 3 days ago
Delta
Tue, 19 Aug. - Tue, 2 Sep.
SYD
Sydney
SEA
Seattle
AU$1,299 Return, found 3 days ago
AU$1,299
Return
found 3 days ago
Select Delta flight, departing Tue, 19 Aug. from Sydney to Seattle, returning Tue, 2 Sep., priced at AU$1,299 found 3 days ago
Air Canada
Thu, 18 Sep. - Tue, 23 Sep.
SYD
Sydney
SEA
Seattle
AU$1,321 Return, found 1 day ago
AU$1,321
Return
found 1 day ago
Select Air Canada flight, departing Thu, 18 Sep. from Sydney to Seattle, returning Tue, 23 Sep., priced at AU$1,321 found 1 day ago
United
Fri, 5 Dec. - Wed, 31 Dec.
SYD
Sydney
SEA
Seattle
AU$1,324 Return, found 18 hours ago
AU$1,324
Return
found 18 hours ago
Select United flight, departing Fri, 5 Dec. from Sydney to Seattle, returning Wed, 31 Dec., priced at AU$1,324 found 18 hours ago
Qantas Airways
Tue, 19 Aug. - Tue, 2 Sep.
SYD
Sydney
SEA
Seattle
AU$1,325 Return, found 3 days ago
AU$1,325
Return
found 3 days ago
Select Qantas Airways flight, departing Tue, 19 Aug. from Sydney to Seattle, returning Tue, 2 Sep., priced at AU$1,325 found 3 days ago
Hawaiian Airlines
Fri, 5 Sep. - Sat, 6 Sep.
SYD
Sydney
SEA
Seattle
AU$1,383 Return, found 1 day ago
AU$1,383
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Fri, 5 Sep. from Sydney to Seattle, returning Sat, 6 Sep., priced at AU$1,383 found 1 day ago

Find the cheapest month to fly from Sydney (SYD) to Seattle (SEA)

June is typically the cheapest month to fly

From AU$1,215 - AU$1,895 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.