Find Deals on Flights from Chicago O'Hare International 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 O'Hare International to Australia

(Round-trip)
Depart: Sat Mar 4 2017 Return: Sun Mar 12 2017 Trip spans 9 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
39h 55m
3 stops
Depart: Sun Aug 27 2017 Return: Tue Sep 5 2017 Trip spans 10 days
EVA Air
EVA Air
ORD
BNE
42h 20m
1 stop
BNE
ORD
23h 55m
1 stop
Depart: Fri Mar 31 2017 Return: Sat Apr 8 2017 Trip spans 9 days
Major Airline
Major Airline
ORD
BNE
31h 15m
1 stop
BNE
ORD
20h 07m
1 stop
Depart: Tue Jun 6 2017 Return: Tue Jun 13 2017 Trip spans 8 days
$1217
Select
Air New Zealand
Air New Zealand
ORD
BNE
26h 11m
2 stops
BNE
ORD
24h 23m
2 stops
Depart: Sun Mar 5 2017 Return: Sun Apr 30 2017 Trip spans 56 days
China Eastern
China Eastern
ORD
SYD
52h 25m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Tue Jun 27 2017 Return: Tue Jul 11 2017 Trip spans 15 days
$1259
Select
Qantas Airways
Qantas Airways
ORD
AVV
31h 26m
2 stops
AVV
ORD
39h 10m
2 stops
Depart: Sat Apr 1 2017 Return: Wed Apr 12 2017 Trip spans 12 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Sat Jul 1 2017 Return: Mon Jul 17 2017 Trip spans 17 days
$1351
Select
ANA
ANA
ORD
SYD
24h 05m
1 stop
SYD
ORD
26h 45m
1 stop
Depart: Tue Apr 11 2017 Return: Thu Apr 20 2017 Trip spans 10 days
$1383
Select
United
United
ORD
MEL
26h 47m
1 stop
MEL
ORD
25h 39m
1 stop
Depart: Fri Apr 14 2017 Return: Sat Apr 29 2017 Trip spans 16 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Mon Jun 19 2017 Return: Sun Jun 25 2017 Trip spans 7 days
$1626
Select
Air Canada
Air Canada
ORD
BNE
21h 00m
1 stop
BNE
ORD
25h 24m
1 stop
Depart: Sat Mar 25 2017 Return: Sun Apr 2 2017 Trip spans 9 days
$1628
Select
Delta
Delta
ORD
BNE
32h 15m
3 stops
BNE
ORD
50h 05m
2 stops
Depart: Tue Apr 4 2017 Return: Sat Apr 15 2017 Trip spans 12 days
$1666
Select
Etihad Airways
Etihad Airways
ORD
PER
34h 55m
1 stop
PER
ORD
39h 00m
2 stops
Depart: Sat Jul 1 2017 Return: Thu Jul 13 2017 Trip spans 13 days
$1716
Select
China Southern
China Southern
ORD
PER
63h 23m
2 stops
PER
ORD
50h 55m
2 stops
Depart: Wed Aug 30 2017 Return: Sun Sep 10 2017 Trip spans 12 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Sat May 6 2017 Return: Sat May 13 2017 Trip spans 8 days
$1027
Select
Major Airline
Major Airline
ORD
SYD
29h 35m
1 stop
SYD
ORD
21h 01m
1 stop
Depart: Thu Aug 31 2017 Return: Sun Sep 17 2017 Trip spans 18 days
$1040
Select
EVA Air
EVA Air
ORD
BNE
42h 20m
1 stop
BNE
ORD
23h 55m
1 stop
Depart: Wed Jun 7 2017 Return: Sat Jun 17 2017 Trip spans 11 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
65h 10m
3 stops
Depart: Fri Jun 16 2017 Return: Sat Jun 24 2017 Trip spans 9 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
41h 10m
3 stops
Depart: Wed Jun 14 2017 Return: Mon Jun 26 2017 Trip spans 13 days
$1217
Select
Air New Zealand
Air New Zealand
ORD
BNE
26h 15m
2 stops
BNE
ORD
31h 43m
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
$614
Destination

Brisbane
$966
Perth
$1666
Avalon
$1259
Melbourne
$1383
Sydney
$614