Cheap flights from Sydney to Herron Island

View AU$752 flight on Thu, 11 Sep. 2025Opens in a new window

Popular airlines from Sydney to Herron Island

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Cheap Flights from Sydney (SYD) to Herron Island (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
Thu, 7 Aug. - Sat, 13 Sep.
SYD
Sydney
SEA
Seattle
AU$1,253 Return, found 17 hours ago
AU$1,253
Return
found 17 hours ago
Select American Airlines flight, departing Thu, 7 Aug. from Sydney to Seattle, returning Sat, 13 Sep., priced at AU$1,253 found 17 hours ago
United
Thu, 7 Aug. - Thu, 11 Sep.
SYD
Sydney
SEA
Seattle
AU$1,279 Return, found 17 hours ago
AU$1,279
Return
found 17 hours ago
Select United flight, departing Thu, 7 Aug. from Sydney to Seattle, returning Thu, 11 Sep., priced at AU$1,279 found 17 hours ago
Air Canada
Sun, 3 Aug. - Tue, 19 Aug.
SYD
Sydney
SEA
Seattle
AU$1,290 Return, found 5 hours ago
AU$1,290
Return
found 5 hours ago
Select Air Canada flight, departing Sun, 3 Aug. from Sydney to Seattle, returning Tue, 19 Aug., priced at AU$1,290 found 5 hours ago
Delta
Tue, 12 Aug. - Wed, 3 Sep.
SYD
Sydney
SEA
Seattle
AU$1,298 Return, found 1 hour ago
AU$1,298
Return
found 1 hour ago
Select Delta flight, departing Tue, 12 Aug. from Sydney to Seattle, returning Wed, 3 Sep., priced at AU$1,298 found 1 hour ago
Qantas Airways
Thu, 11 Sep. - Wed, 24 Sep.
SYD
Sydney
SEA
Seattle
AU$1,324 Return, found 12 hours ago
AU$1,324
Return
found 12 hours ago
Select Qantas Airways flight, departing Thu, 11 Sep. from Sydney to Seattle, returning Wed, 24 Sep., priced at AU$1,324 found 12 hours ago
Hawaiian Airlines
Sun, 24 Aug. - Mon, 25 Aug.
SYD
Sydney
SEA
Seattle
AU$1,382 Return, found 10 hours ago
AU$1,382
Return
found 10 hours ago
Select Hawaiian Airlines flight, departing Sun, 24 Aug. from Sydney to Seattle, returning Mon, 25 Aug., priced at AU$1,382 found 10 hours 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.