Find Deals on Flights to Chicago O'Hare International

Depart
Return
1 adult
Adults
18+
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:

Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Chicago O'Hare International

(Round-trip)
Depart: Wed 31 Aug 2016 Return: Fri 9 Sep 2016 Trip spans 10 days
Depart: Mon 29 Aug 2016 Return: Thu 8 Sep 2016 Trip spans 11 days
Depart: Fri 10 Jun 2016 Return: Mon 20 Jun 2016 Trip spans 11 days
Depart: Wed 15 Jun 2016 Return: Sun 17 Jul 2016 Trip spans 33 days
Depart: Mon 19 Sep 2016 Return: Fri 30 Sep 2016 Trip spans 12 days
Depart: Mon 25 Jul 2016 Return: Mon 8 Aug 2016 Trip spans 15 days
Depart: Sat 23 Jul 2016 Return: Mon 22 Aug 2016 Trip spans 31 days
Depart: Thu 3 Nov 2016 Return: Sat 19 Nov 2016 Trip spans 17 days
Depart: Tue 31 May 2016 Return: Fri 17 Jun 2016 Trip spans 18 days
Depart: Tue 14 Jun 2016 Return: Sun 26 Jun 2016 Trip spans 13 days
Depart: Sun 10 Jul 2016 Return: Mon 25 Jul 2016 Trip spans 16 days
Depart: Thu 30 Jun 2016 Return: Sun 10 Jul 2016 Trip spans 11 days
* We make every attempt to get accurate prices and fees; however, prices and fees are not guaranteed, and may be subject to last minute changes over which we have no control.
Airports
Origin

Melbourne
$1337
Sydney
$1265
Destination

Chicago
$1265