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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 February , March 2026

25 Feb - 10 Mar $ 948.00
CHI
Chicago
Frontier Airlines
3 STOPS
SYD
Sydney
SYD
Sydney
Frontier Airlines
2 STOPS
CHI
Chicago
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09 Feb - 04 Mar $ 1,989.00
CHI
Chicago
Cathay Pacific
2 STOPS
SYD
Sydney
SYD
Sydney
Cathay Pacific
1 STOPS
CHI
Chicago
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13 Feb - 11 Mar $ 8,396.00
CHI
Chicago
All Nippon Airways
1 STOPS
SYD
Sydney
SYD
Sydney
All Nippon Airways
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Sydney

19 Feb - 28 Feb $ 990.00
CHI
Chicago
Qantas
2 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
CHI
Chicago
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10 Feb - 28 Feb $ 1,268.00
CHI
Chicago
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
2 STOPS
CHI
Chicago
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11 Feb - 28 Feb $ 1,433.00
CHI
Chicago
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
CHI
Chicago
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One-way flights to Sydney from Chicago

9:18 AM - 9:00 AM
Fiji Airways
3 Stops
34h 17m
CHI - SYD
$ 534
Kiwi
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11:50 AM - 7:55 AM
Turkish Airlines
2 Stops
38h 30m
CHI - SYD
$ 779
Kiwi
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8:59 AM - 7:00 AM
Air New Zealand
2 Stops
30h 46m
CHI - SYD
$ 1,415
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.