Cheap Flights from Seattle to Eastern Australia

View €337 flight on Thu, 14 Aug 2025Opens in a new window

Popular airlines from Seattle to Eastern Australia

  • Air Canada

    Air Canada

  • Delta

    Delta

  • Emirates

    Emirates

  • Hawaiian Airlines

    Hawaiian Airlines

  • All Nippon Airways

    All Nippon Airways

  • Qantas Airways

    Qantas Airways

  • Qatar Airways

    Qatar Airways

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Cheap flights from Seattle to Eastern Australia (SEA-MEL)

Prices were available within the past 7 days and start at €337 for one-way flights and €699 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 14 Aug - Wed, 27 Aug
SEA
Seattle
SYD
Sydney
€699 Return, found 5 days ago
€699
Return
found 5 days ago
Select United flight, departing Thu, 14 Aug from Seattle to Sydney, returning Wed, 27 Aug, priced at €699 found 5 days ago
Delta
Thu, 14 Aug - Wed, 27 Aug
SEA
Seattle
SYD
Sydney
€700 Return, found 5 days ago
€700
Return
found 5 days ago
Select Delta flight, departing Thu, 14 Aug from Seattle to Sydney, returning Wed, 27 Aug, priced at €700 found 5 days ago
Qantas Airways
Thu, 14 Aug - Wed, 27 Aug
SEA
Seattle
SYD
Sydney
€729 Return, found 5 days ago
€729
Return
found 5 days ago
Select Qantas Airways flight, departing Thu, 14 Aug from Seattle to Sydney, returning Wed, 27 Aug, priced at €729 found 5 days ago
American Airlines
Thu, 14 Aug - Wed, 27 Aug
SEA
Seattle
SYD
Sydney
€854 Return, found 5 days ago
€854
Return
found 5 days ago
Select American Airlines flight, departing Thu, 14 Aug from Seattle to Sydney, returning Wed, 27 Aug, priced at €854 found 5 days ago
Air Canada
Thu, 4 Sep - Wed, 17 Sep
SEA
Seattle
SYD
Sydney
€863 Return, found 2 days ago
€863
Return
found 2 days ago
Select Air Canada flight, departing Thu, 4 Sep from Seattle to Sydney, returning Wed, 17 Sep, priced at €863 found 2 days ago
Hawaiian Airlines
Fri, 15 Aug - Sun, 31 Aug
SEA
Seattle
SYD
Sydney
€981 Return, found 3 days ago
€981
Return
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, 15 Aug from Seattle to Sydney, returning Sun, 31 Aug, priced at €981 found 3 days ago

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

August is typically the cheapest month to fly

From €643 - €1,059 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.