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Cheap flights from Chicago (CHI) to Sydney (SYD)

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How to find the cheapest flight from Chicago (CHI) to Sydney (SYD)

How to find the cheapest flight from Chicago (CHI) to Sydney (SYD)
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How to find the cheapest flight from Chicago (CHI) to Sydney (SYD)
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How to find the cheapest flight from Chicago (CHI) to Sydney (SYD)
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Cheap flights from Chicago to Sydney in October , November 2026

27 Oct - 18 Nov $ 1,275.00
CHI
Chicago
Alaska Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
3 STOPS
CHI
Chicago
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28 Oct - 10 Nov $ 1,634.00
CHI
Chicago
Cathay Pacific
2 STOPS
SYD
Sydney
SYD
Sydney
Cathay Pacific
1 STOPS
CHI
Chicago
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20 Oct - 09 Nov $ 2,956.00
CHI
Chicago
Air Canada
1 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Sydney

24 Oct - 31 Oct $ 1,328.00
CHI
Chicago
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
CHI
Chicago
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24 Oct - 31 Oct $ 1,329.00
CHI
Chicago
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
CHI
Chicago
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20 Oct - 31 Oct $ 3,106.00
CHI
Chicago
Air Canada
1 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
CHI
Chicago
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One-way flights to Sydney from Chicago

9:53 AM - 9:25 PM
Alaska Airlines
2 Stops
28h 32m
CHI - SYD
$ 766
Kiwi
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9:15 PM - 8:30 AM
Turkish Airlines
2 Stops
54h 10m
CHI - SYD
$ 902
Kiwi
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12:45 PM - 8:30 AM
Turkish Airlines
2 Stops
38h 40m
CHI - SYD
$ 905
Kiwi
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How to find the cheapest flight from Chicago (CHI) to Sydney (SYD)

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