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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 November , December 2026

18 Nov - 04 Dec $ 1,319.00
CHI
Chicago
Frontier Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
Frontier Airlines
3 STOPS
CHI
Chicago
11 Nov - 03 Dec $ 1,795.00
CHI
Chicago
Alaska Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
2 STOPS
CHI
Chicago
17 Nov - 01 Dec $ 2,851.00
CHI
Chicago
Air Canada
1 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
CHI
Chicago

Last minute flights from Chicago to Sydney

24 Nov - 30 Nov $ 1,765.00
CHI
Chicago
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
CHI
Chicago
15 Nov - 30 Nov $ 1,780.00
CHI
Chicago
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
CHI
Chicago
15 Nov - 30 Nov $ 1,862.00
CHI
Chicago
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
CHI
Chicago

One-way flights to Sydney from Chicago

8:59 AM - 8:25 PM
Alaska Airlines
2 Stops
28h 26m
CHI - SYD
11:45 AM - 8:30 AM
Turkish Airlines
2 Stops
38h 40m
CHI - SYD
8:15 PM - 8:30 AM
Turkish Airlines
2 Stops
54h 10m
CHI - SYD

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.