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

Book cheap flights from Chicago to Australia

(Round-trip)
Depart: Mon Apr 10 2017 Return: Sat Apr 29 2017 Trip spans 20 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
65h 10m
3 stops
Depart: Tue Sep 26 2017 Return: Wed Oct 18 2017 Trip spans 23 days
Major Airline
Major Airline
ORD
BNE
42h 20m
1 stop
BNE
ORD
23h 55m
1 stop
Depart: Thu Aug 17 2017 Return: Tue Sep 5 2017 Trip spans 20 days
$1009
Select
EVA Air
EVA Air
ORD
BNE
42h 20m
1 stop
BNE
ORD
23h 55m
1 stop
Depart: Thu Aug 17 2017 Return: Tue Aug 29 2017 Trip spans 13 days
$1124
Select
Qantas Airways
Qantas Airways
ORD
MEL
27h 36m
1 stop
MEL
ORD
24h 51m
1 stop
Depart: Wed Jun 21 2017 Return: Tue Jul 4 2017 Trip spans 14 days
$1132
Select
ANA
ANA
ORD
SYD
24h 05m
1 stop
SYD
ORD
26h 45m
1 stop
Depart: Sun May 14 2017 Return: Fri Jul 7 2017 Trip spans 55 days
$1252
Select
American Airlines
American Airlines
ORD
SYD
23h 10m
1 stop
SYD
ORD
22h 09m
1 stop
Depart: Wed Apr 12 2017 Return: Wed Apr 19 2017 Trip spans 8 days
$1269
Select
Delta
Delta
MDW
BNE
24h 40m
2 stops
BNE
MDW
22h 10m
2 stops
Depart: Fri Sep 1 2017 Return: Sat Sep 16 2017 Trip spans 16 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
65h 10m
3 stops
Depart: Wed Jun 28 2017 Return: Sun Jul 16 2017 Trip spans 19 days
$1455
Select
Air Canada
Air Canada
ORD
SYD
25h 50m
2 stops
SYD
ORD
25h 54m
1 stop
Depart: Wed Mar 29 2017 Return: Sun Apr 9 2017 Trip spans 12 days
$1516
Select
Virgin Australia
Virgin Australia
ORD
MEL
35h 05m
2 stops
MEL
ORD
41h 30m
2 stops
Depart: Sat Aug 26 2017 Return: Wed Sep 6 2017 Trip spans 12 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Fri Sep 1 2017 Return: Fri Sep 8 2017 Trip spans 8 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Sat Mar 25 2017 Return: Sat Apr 1 2017 Trip spans 8 days
$1783
Select
Etihad Airways
Etihad Airways
ORD
BNE
63h 00m
2 stops
BNE
ORD
55h 05m
2 stops
Depart: Tue Sep 12 2017 Return: Fri Sep 22 2017 Trip spans 11 days
$1010
Select
EVA Air
EVA Air
ORD
BNE
42h 20m
1 stop
BNE
ORD
23h 55m
1 stop
Depart: Sat Mar 25 2017 Return: Sat Apr 1 2017 Trip spans 8 days
$2075
Select
Emirates
Emirates
ORD
SYD
34h 10m
1 stop
SYD
ORD
49h 30m
1 stop
Depart: Fri Jun 2 2017 Return: Sun Jun 11 2017 Trip spans 10 days
$1078
Select
Major Airline
Major Airline
ORD
SYD
25h 52m
1 stop
SYD
ORD
19h 38m
1 stop
Depart: Tue Apr 4 2017 Return: Tue Apr 11 2017 Trip spans 8 days
$1125
Select
Qantas Airways
Qantas Airways
ORD
MEL
26h 25m
1 stop
MEL
ORD
25h 55m
1 stop
Depart: Tue May 9 2017 Return: Wed May 24 2017 Trip spans 16 days
$1121
Select
Major Airline
Major Airline
ORD
BNE
29h 15m
1 stop
BNE
ORD
25h 32m
1 stop
Depart: Thu May 4 2017 Return: Tue May 23 2017 Trip spans 20 days
$1125
Select
Qantas Airways
Qantas Airways
ORD
MEL
27h 55m
1 stop
MEL
ORD
26h 37m
1 stop
Depart: Wed Jun 7 2017 Return: Tue Aug 1 2017 Trip spans 56 days
$1269
Select
Delta
Delta
MDW
BNE
25h 40m
2 stops
BNE
MDW
23h 13m
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.

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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,
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Airports
Origin

Chicago
only $615
only $1269
Destination

Brisbane
$973
Melbourne
$1124
Sydney
$615