Find Cheap 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.
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Book cheap flights from Chicago O'Hare International to Australia

(Round-trip)
Depart: Sun Nov 19 2017 Return: Fri Dec 1 2017 Trip spans 13 days
China Eastern
China Eastern
ORD
SYD
49h 50m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Mon Nov 20 2017 Return: Mon Nov 27 2017 Trip spans 8 days
Air Canada
Air Canada
ORD
BNE
24h 35m
1 stop
BNE
ORD
19h 53m
1 stop
Depart: Sun Dec 31 2017 Return: Wed Jan 17 2018 Trip spans 18 days
EVA Air
EVA Air
ORD
BNE
41h 55m
1 stop
BNE
ORD
23h 35m
1 stop
Depart: Wed Nov 15 2017 Return: Tue Dec 5 2017 Trip spans 21 days
$1171
Select
Air New Zealand
Air New Zealand
ORD
MEL
27h 50m
2 stops
MEL
ORD
27h 20m
2 stops
Depart: Tue Aug 22 2017 Return: Thu Aug 31 2017 Trip spans 10 days
$1236
Select
ANA
ANA
ORD
SYD
24h 05m
1 stop
SYD
ORD
26h 45m
1 stop
Depart: Fri Dec 8 2017 Return: Thu Dec 14 2017 Trip spans 7 days
$1380
Select
Air China
Air China
ORD
MEL
36h 40m
2 stops
MEL
ORD
42h 55m
2 stops
Depart: Wed Nov 8 2017 Return: Wed Nov 22 2017 Trip spans 15 days
$1632
Select
Qantas Airways
Qantas Airways
ORD
AVV
42h 25m
2 stops
AVV
ORD
28h 22m
2 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: Wed Sep 6 2017 Return: Wed Sep 20 2017 Trip spans 15 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Wed Jan 31 2018 Return: Wed Feb 28 2018 Trip spans 29 days
$1003
Select
EVA Air
EVA Air
ORD
BNE
41h 55m
1 stop
BNE
ORD
23h 35m
1 stop
Depart: Wed Aug 23 2017 Return: Thu Aug 31 2017 Trip spans 9 days
China Eastern
China Eastern
ORD
SYD
73h 50m
3 stops
SYD
ORD
65h 10m
3 stops
Depart: Mon Jan 29 2018 Return: Mon Feb 12 2018 Trip spans 15 days
$1132
Select
Air Canada
Air Canada
ORD
SYD
24h 45m
1 stop
SYD
ORD
20h 38m
1 stop
Depart: Tue Oct 3 2017 Return: Fri Oct 20 2017 Trip spans 18 days
$1040
Select
EVA Air
EVA Air
ORD
BNE
42h 20m
1 stop
BNE
ORD
23h 55m
1 stop
Depart: Fri Dec 8 2017 Return: Sun Dec 24 2017 Trip spans 17 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Mon Aug 21 2017 Return: Sat Sep 2 2017 Trip spans 13 days
$1228
Select
Air New Zealand
Air New Zealand
ORD
BNE
29h 57m
2 stops
BNE
ORD
31h 51m
2 stops
Depart: Wed Oct 11 2017 Return: Fri Oct 20 2017 Trip spans 10 days
China Eastern
China Eastern
ORD
SYD
73h 50m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Fri Oct 6 2017 Return: Sat Oct 21 2017 Trip spans 16 days
$1270
Select
Air New Zealand
Air New Zealand
ORD
SYD
31h 05m
2 stops
SYD
ORD
33h 01m
2 stops
Depart: Fri Oct 20 2017 Return: Wed Nov 8 2017 Trip spans 20 days
China Eastern
China Eastern
ORD
SYD
74h 40m
3 stops
SYD
ORD
64h 20m
3 stops
Depart: Fri Jan 12 2018 Return: Sun Jan 21 2018 Trip spans 10 days
$1299
Select
Air Canada
Air Canada
ORD
MEL
24h 05m
1 stop
MEL
ORD
21h 18m
1 stop
Depart: Sat Aug 26 2017 Return: Sat Sep 2 2017 Trip spans 8 days
China Eastern
China Eastern
ORD
SYD
50h 40m
3 stops
SYD
ORD
41h 10m
3 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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Chicago
$825
Destination

Brisbane
$890
Avalon
$1632
Melbourne
$1171
Sydney
$825