$1,100 Cheap Cathay Pacific flights Chicago (ORD) to Sydney (SYD)

View $1,100 flight on Sun, Oct 25, 2026Opens in a new window

$1,100 Cheap Cathay Pacific flights Chicago (ORD) to Sydney (SYD)

Prices were available within the past 7 days and start at $1,100 for one-way flights and $1,966 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Sun, Oct 25 - Sat, Oct 31
ORD
Chicago
SYD
Sydney
$1,966 Roundtrip, found 3 days ago
$1,966
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Sun, Oct 25 from Chicago to Sydney, returning Sat, Oct 31, priced at $1,966 found 3 days ago

Find the cheapest month to fly from Chicago (ORD) to Sydney (SYD)

May is typically the cheapest month to fly

From $768 - $1,596 per traveler.
Flights from Chicago (ORD) to Sydney (SYD)
Origin airport
O'Hare Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, American Airlines, British Airways, Delta, Etihad Airways, United
Popular airline
Air Canada
Distance
14775 km