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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago to Australia

(Round-trip)
Depart: Wed Nov 29 2017 Return: Fri Dec 8 2017 Trip spans 10 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Sun Dec 31 2017 Return: Wed Jan 31 2018 Trip spans 32 days
EVA Air
EVA Air
ORD
BNE
41h 55m
1 stop
BNE
ORD
23h 35m
1 stop
Depart: Wed Sep 20 2017 Return: Wed Oct 11 2017 Trip spans 22 days
$1020
Select
Air New Zealand
Air New Zealand
ORD
MEL
26h 25m
2 stops
MEL
ORD
31h 35m
2 stops
Depart: Sat Dec 9 2017 Return: Wed Dec 20 2017 Trip spans 12 days
$1254
Select
Air Canada
Air Canada
ORD
MEL
24h 05m
1 stop
MEL
ORD
21h 50m
1 stop
Depart: Fri Jan 12 2018 Return: Sat Jan 27 2018 Trip spans 16 days
$1392
Select
Air China
Air China
ORD
MEL
36h 40m
2 stops
MEL
ORD
41h 31m
2 stops
Depart: Mon Aug 14 2017 Return: Wed Aug 30 2017 Trip spans 17 days
$1409
Select
Delta
Delta
MDW
SYD
25h 39m
2 stops
SYD
MDW
22h 53m
2 stops
Depart: Mon Oct 30 2017 Return: Wed Nov 8 2017 Trip spans 10 days
$1472
Select
Cathay Pacific
Cathay Pacific
ORD
ADL
47h 45m
1 stop
ADL
ORD
45h 10m
1 stop
Depart: Mon Nov 13 2017 Return: Tue Nov 21 2017 Trip spans 9 days
$1561
Select
Qantas Airways
Qantas Airways
ORD
AVV
33h 55m
2 stops
AVV
ORD
41h 03m
2 stops
Depart: Sun Sep 10 2017 Return: Sun Sep 17 2017 Trip spans 8 days
China Eastern
China Eastern
ORD
SYD
49h 50m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Wed Nov 15 2017 Return: Fri Dec 1 2017 Trip spans 17 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Tue Nov 14 2017 Return: Wed Dec 6 2017 Trip spans 23 days
EVA Air
EVA Air
ORD
BNE
41h 55m
1 stop
BNE
ORD
23h 35m
1 stop
Depart: Tue Oct 3 2017 Return: Wed Oct 18 2017 Trip spans 16 days
$1020
Select
Air New Zealand
Air New Zealand
ORD
MEL
29h 59m
2 stops
MEL
ORD
25h 29m
2 stops
Depart: Sun Nov 19 2017 Return: Sat Dec 2 2017 Trip spans 14 days
China Eastern
China Eastern
ORD
SYD
49h 50m
3 stops
SYD
ORD
65h 10m
3 stops
Depart: Tue Dec 26 2017 Return: Sat Jan 6 2018 Trip spans 12 days
$2104
Select
China Southern
China Southern
ORD
SYD
32h 55m
2 stops
SYD
ORD
41h 55m
2 stops
Depart: Thu Oct 5 2017 Return: Tue Oct 17 2017 Trip spans 13 days
$1021
Select
Air New Zealand
Air New Zealand
ORD
MEL
28h 58m
2 stops
MEL
ORD
24h 56m
2 stops
Depart: Tue Oct 3 2017 Return: Wed Oct 11 2017 Trip spans 9 days
$1033
Select
EVA Air
EVA Air
ORD
BNE
42h 20m
1 stop
BNE
ORD
23h 55m
1 stop
Depart: Fri Dec 1 2017 Return: Sat Dec 9 2017 Trip spans 9 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
65h 10m
3 stops
Depart: Thu Aug 31 2017 Return: Tue Sep 12 2017 Trip spans 13 days
$1034
Select
Air New Zealand
Air New Zealand
ORD
SYD
25h 45m
2 stops
SYD
ORD
27h 21m
2 stops
Depart: Fri Oct 20 2017 Return: Sat Nov 11 2017 Trip spans 23 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Thu Sep 21 2017 Return: Tue Oct 10 2017 Trip spans 20 days
$1034
Select
Air New Zealand
Air New Zealand
ORD
BNE
30h 08m
2 stops
BNE
ORD
27h 55m
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
only $825
only $1409
Destination

Brisbane
$986
Adelaide
$1472
Avalon
$1561
Melbourne
$1020
Sydney
$825