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Cheap flights from Seattle (BFI) to Sydney (SYD)

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How to find the cheapest flight from Seattle (BFI) to Sydney (SYD)

How to find the cheapest flight from Seattle (BFI) to Sydney (SYD)
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How to find the cheapest flight from Seattle (BFI) to Sydney (SYD)
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How to find the cheapest flight from Seattle (BFI) to Sydney (SYD)
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Cheap flights from Seattle to Sydney in April , May 2026

30 Apr - 11 May $ 1,931.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
2 STOPS
BFI
Seattle
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23 Apr - 04 May $ 1,931.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
2 STOPS
BFI
Seattle
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28 Apr - 06 May $ 2,069.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
2 STOPS
BFI
Seattle
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Last minute flights from Seattle to Sydney

14 Apr - 01 May $ 2,047.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
2 STOPS
BFI
Seattle
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28 Apr - 01 May $ 2,111.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
2 STOPS
BFI
Seattle
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27 Apr - 01 May $ 2,111.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
2 STOPS
BFI
Seattle
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One-way flights to Sydney from Seattle

7:45 PM - 11:50 AM
Hawaiian Airlines
2 Stops
30h 5m
BFI - SYD
$ 957
Kiwi
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2:45 PM - 10:30 PM
Qantas
2 Stops
22h 40m
BFI - SYD
$ 1,021
Kiwi
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2:45 PM - 10:30 PM
Qantas
2 Stops
22h 40m
BFI - SYD
$ 1,022
Kiwi
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How to find the cheapest flight from Seattle (BFI) to Sydney (SYD)

Related info for your journey
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How to find the cheapest flight from Seattle (BFI) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.