Find Cheap Flights from Chicago to Australia

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Chicago to Australia

(Round-trip)
Depart: Sat Oct 28 2017 Return: Thu Nov 16 2017 Trip spans 20 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Wed Nov 22 2017 Return: Sat Dec 2 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
ORD
MEL
34h 00m
2 stops
MEL
ORD
40h 40m
1 stop
Depart: Sun Oct 29 2017 Return: Wed Nov 15 2017 Trip spans 18 days
China Eastern
China Eastern
ORD
SYD
49h 40m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Wed Nov 15 2017 Return: Fri Dec 8 2017 Trip spans 24 days
China Eastern
China Eastern
ORD
SYD
73h 50m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Wed Nov 22 2017 Return: Fri Dec 8 2017 Trip spans 17 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Sun Nov 26 2017 Return: Thu Dec 14 2017 Trip spans 19 days
China Eastern
China Eastern
ORD
SYD
49h 50m
3 stops
SYD
ORD
65h 10m
3 stops
Depart: Sat Dec 2 2017 Return: Wed Dec 20 2017 Trip spans 19 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Sun Nov 5 2017 Return: Sat Nov 18 2017 Trip spans 14 days
China Eastern
China Eastern
ORD
SYD
49h 50m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Fri Dec 1 2017 Return: Mon Dec 18 2017 Trip spans 18 days
China Eastern
China Eastern
ORD
SYD
48h 50m
2 stops
SYD
ORD
64h 20m
2 stops
Depart: Sun Mar 4 2018 Return: Sat Mar 31 2018 Trip spans 27 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Sat Oct 21 2017 Return: Sat Oct 28 2017 Trip spans 8 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Fri Nov 17 2017 Return: Sat Dec 2 2017 Trip spans 16 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Fri Nov 24 2017 Return: Tue Dec 12 2017 Trip spans 19 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Wed Oct 25 2017 Return: Wed Nov 15 2017 Trip spans 22 days
China Eastern
China Eastern
ORD
SYD
73h 50m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Mon Dec 4 2017 Return: Mon Dec 25 2017 Trip spans 22 days
China Eastern
China Eastern
ORD
SYD
49h 50m
2 stops
SYD
ORD
64h 20m
2 stops
Depart: Fri Dec 8 2017 Return: Tue Jan 2 2018 Trip spans 26 days
China Eastern
China Eastern
ORD
BNE
28h 10m
1 stop
BNE
ORD
40h 00m
1 stop
Depart: Fri Dec 1 2017 Return: Fri Dec 8 2017 Trip spans 8 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Mon Dec 4 2017 Return: Sat Dec 9 2017 Trip spans 6 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
65h 10m
3 stops
Depart: Fri Mar 23 2018 Return: Sat Mar 31 2018 Trip spans 9 days
China Eastern
China Eastern
ORD
SYD
74h 30m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Wed Nov 15 2017 Return: Wed Nov 29 2017 Trip spans 15 days
China Eastern
China Eastern
ORD
SYD
73h 50m
2 stops
SYD
ORD
64h 20m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Chicago
$640
Destination

Brisbane
$781
Melbourne
$927
Sydney
$640