Book flights from Chicago to Australia with Cathay Pacific from USD2,027
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1 Passenger(s), Economy
expand_morePROMOTION CODE (OPTIONAL)
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today
Popular flights from Chicago to Australia
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USD
Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.
Explore flight fares from Chicago to Australia
Make flexible bookings with Cathay Pacific and enjoy hassle-free travel when plans change.
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USD
Chicago (ORD)to
Sydney (SYD)
30/11/2026 - 14/12/2026
Round-trip
Economy
From
USD2,027
Seen 8 hours ago
Chicago (ORD)to
Sydney (SYD)
27/11/2026 - 14/12/2026
Round-trip
Economy
From
USD2,077
Seen 8 hours ago
Chicago (ORD)to
Sydney (SYD)
28/11/2026 - 14/12/2026
Round-trip
Economy
From
USD2,077
Seen 8 hours ago
Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.