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

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0 Children (2~11)
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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 February , March 2026

24 Feb - 13 Mar $ 1,816.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
3 STOPS
BFI
Seattle
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26 Feb - 13 Mar $ 1,818.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
3 STOPS
BFI
Seattle
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27 Feb - 13 Mar $ 1,819.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
3 STOPS
BFI
Seattle
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Last minute flights from Seattle to Sydney

24 Feb - 01 Mar $ 2,222.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
3 STOPS
BFI
Seattle
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26 Feb - 01 Mar $ 2,224.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
3 STOPS
BFI
Seattle
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08 Feb - 01 Mar $ 2,270.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
3 STOPS
BFI
Seattle
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One-way flights to Sydney from Seattle

9:35 AM - 8:30 PM
Qantas
2 Stops
25h 35m
BFI - SYD
$ 958
Kiwi
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9:35 AM - 8:30 PM
Qantas
2 Stops
25h 35m
BFI - SYD
$ 960
Kiwi
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11:35 AM - 8:30 PM
Qantas
2 Stops
23h 35m
BFI - SYD
$ 983
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.