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: Wed Aug 30 2017 Return: Sun Sep 17 2017 Trip spans 19 days
China Eastern
China Eastern
ORD
SYD
73h 50m
3 stops
SYD
ORD
40h 20m
3 stops
Depart: Tue Oct 17 2017 Return: Tue Oct 31 2017 Trip spans 15 days
Air China
Air China
ORD
SYD
37h 10m
2 stops
SYD
ORD
48h 09m
2 stops
Depart: Mon Sep 11 2017 Return: Sat Sep 23 2017 Trip spans 13 days
Air Canada
Air Canada
ORD
BNE
24h 10m
2 stops
BNE
ORD
23h 14m
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
$1157
Select
Qantas Airways
Qantas Airways
ORD
AVV
30h 50m
2 stops
AVV
ORD
28h 22m
2 stops
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: Tue Oct 3 2017 Return: Thu Oct 19 2017 Trip spans 17 days
$1323
Select
United
United
ORD
MEL
30h 30m
1 stop
MEL
ORD
23h 33m
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: 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: 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: 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: 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: 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: 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: Wed Nov 29 2017 Return: Fri Dec 8 2017 Trip spans 10 days
Air China
Air China
ORD
SYD
36h 35m
2 stops
SYD
ORD
49h 09m
2 stops
Depart: Sat May 27 2017 Return: Mon May 29 2017 Trip spans 3 days
$1949
Select
Air New Zealand
Air New Zealand
ORD
MEL
29h 45m
2 stops
MEL
ORD
32h 41m
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: Wed Nov 15 2017 Return: Tue Dec 5 2017 Trip spans 21 days
Air China
Air China
ORD
MEL
36h 40m
2 stops
MEL
ORD
40h 06m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

Chicago
$642
Destination

Brisbane
$952
Perth
$1391
Avalon
$1157
Melbourne
$803
Sydney
$642