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

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0 Children (2~11)
0 Infants (0~2)
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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 March , April 2026

31 Mar - 08 Apr $ 1,844.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
2 STOPS
BFI
Seattle
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10 Mar - 17 Apr $ 1,986.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
2 STOPS
BFI
Seattle
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17 Mar - 17 Apr $ 1,986.00
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

10 Mar - 01 Apr $ 2,462.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
3 STOPS
BFI
Seattle
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10 Mar - 01 Apr $ 2,473.00
BFI
Seattle
Air Excursions
2 STOPS
SYD
Sydney
SYD
Sydney
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
17 Mar - 01 Apr $ 2,473.00
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

2:45 PM - 9:30 PM
Qantas
2 Stops
21h 25m
BFI - SYD
$ 908
Kiwi
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2:45 PM - 9:30 PM
Qantas
2 Stops
21h 25m
BFI - SYD
$ 908
Kiwi
Pick dates
2:45 PM - 10:25 PM
Qantas
2 Stops
22h 40m
BFI - SYD
$ 908
Kiwi
Pick dates

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.