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 Aug 30 2017 Return: Sun Sep 17 2017 Trip spans 19 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Tue Oct 17 2017 Return: Tue Oct 24 2017 Trip spans 8 days
Air China
Air China
ORD
SYD
37h 10m
2 stops
SYD
ORD
40h 06m
2 stops
Depart: Wed Nov 8 2017 Return: Wed Nov 22 2017 Trip spans 15 days
Major Airline
Major Airline
ORD
BNE
21h 05m
1 stop
BNE
ORD
20h 30m
1 stop
Depart: Tue Oct 3 2017 Return: Fri Oct 20 2017 Trip spans 18 days
$1024
Select
EVA Air
EVA Air
ORD
BNE
42h 20m
1 stop
BNE
ORD
23h 55m
1 stop
Depart: Mon Nov 20 2017 Return: Tue Dec 5 2017 Trip spans 16 days
$1159
Select
Qantas Airways
Qantas Airways
ORD
AVV
30h 50m
2 stops
AVV
ORD
28h 22m
2 stops
Depart: Wed Jun 7 2017 Return: Wed Jun 14 2017 Trip spans 8 days
$1267
Select
Air Canada
Air Canada
ORD
SYD
25h 50m
2 stops
SYD
ORD
25h 52m
1 stop
Depart: Fri Sep 1 2017 Return: Tue Sep 12 2017 Trip spans 12 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Mon Sep 25 2017 Return: Mon Oct 9 2017 Trip spans 15 days
$1292
Select
Delta
Delta
MDW
SYD
26h 10m
2 stops
SYD
MDW
24h 17m
2 stops
Depart: Mon Jul 24 2017 Return: Mon Aug 7 2017 Trip spans 15 days
$1370
Select
United
United
ORD
MEL
26h 15m
1 stop
MEL
ORD
28h 14m
1 stop
Depart: Wed Jun 14 2017 Return: Wed Jun 21 2017 Trip spans 8 days
$1380
Select
American Airlines
American Airlines
ORD
SYD
28h 15m
1 stop
SYD
ORD
29h 10m
1 stop
Depart: Tue Nov 7 2017 Return: Tue Nov 28 2017 Trip spans 22 days
$1391
Select
Etihad Airways
Etihad Airways
ORD
PER
34h 55m
1 stop
PER
ORD
29h 55m
1 stop
Depart: Thu Nov 30 2017 Return: Wed Dec 27 2017 Trip spans 28 days
Air China
Air China
ORD
SYD
36h 35m
2 stops
SYD
ORD
45h 50m
2 stops
Depart: Wed Jul 5 2017 Return: Wed Jul 19 2017 Trip spans 15 days
$1620
Select
Qatar Airways
Qatar Airways
ORD
MEL
29h 55m
1 stop
MEL
ORD
31h 30m
1 stop
Depart: Sun Aug 13 2017 Return: Sat Sep 16 2017 Trip spans 35 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
65h 10m
3 stops
Depart: Thu Aug 31 2017 Return: Mon Sep 11 2017 Trip spans 12 days
Air China
Air China
ORD
SYD
37h 03m
2 stops
SYD
ORD
40h 06m
2 stops
Depart: Tue Nov 14 2017 Return: Mon Dec 4 2017 Trip spans 21 days
Air China
Air China
ORD
SYD
36h 35m
2 stops
SYD
ORD
39h 29m
2 stops
Depart: Sat Jul 8 2017 Return: Sun Jul 23 2017 Trip spans 16 days
$1881
Select
Virgin Australia
Virgin Australia
ORD
BNE
32h 55m
2 stops
BNE
ORD
40h 10m
2 stops
Depart: Fri Nov 3 2017 Return: Wed Nov 15 2017 Trip spans 13 days
$1006
Select
Major Airline
Major Airline
ORD
BNE
36h 20m
1 stop
BNE
ORD
50h 40m
1 stop
Depart: Sun Nov 5 2017 Return: Sat Nov 11 2017 Trip spans 7 days
China Eastern
China Eastern
ORD
SYD
49h 50m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Wed Nov 8 2017 Return: Wed Nov 22 2017 Trip spans 15 days
Air China
Air China
ORD
MEL
36h 40m
2 stops
MEL
ORD
34h 21m
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 $642
only $1292
Destination

Brisbane
$969
Perth
$1391
Avalon
$1159
Melbourne
$803
Sydney
$642