Find Deals on Flights from Ontario to Chicago O'Hare International (ONT - ORD)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
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 Ontario to Chicago O'Hare International

(Round-trip)
Depart: Mon Nov 9 2015 Return: Tue Nov 10 2015 Trip spans 2 days
American Airlines
American Airlines
ONT
2:30p
ORD
8:08p
5h 38m
1 stop
ORD
12:00a
ONT
6:03a
6h 03m
1 stop
Depart: Tue Nov 10 2015 Return: Wed Nov 11 2015 Trip spans 2 days
American Airlines
American Airlines
ONT
2:30p
ORD
8:08p
5h 38m
1 stop
ORD
12:00a
ONT
6:03a
6h 03m
1 stop
Depart: Fri Jan 22 2016 Return: Sat Jan 23 2016 Trip spans 2 days
American Airlines
American Airlines
ONT
2:30p
ORD
8:08p
5h 38m
1 stop
ORD
12:00a
ONT
6:03a
6h 03m
1 stop
Depart: Sat Aug 22 2015 Return: Mon Aug 24 2015 Trip spans 3 days
US Airways
US Airways
ONT
12:40p
ORD
6:12p
5h 32m
1 stop
ORD
11:30a
ONT
6:55p
7h 25m
1 stop
Depart: Tue Sep 1 2015 Return: Wed Sep 2 2015 Trip spans 2 days
United
United
ONT
8:44a
ORD
3:36p
6h 52m
1 stop
ORD
2:58a
ONT
10:12a
7h 14m
1 stop
Depart: Sat Aug 15 2015 Return: Sat Aug 22 2015 Trip spans 8 days
American Airlines
American Airlines
ONT
12:40p
ORD
6:12p
5h 32m
1 stop
ORD
1:05a
ONT
8:07a
7h 02m
1 stop
Depart: Sat Aug 29 2015 Return: Sun Aug 30 2015 Trip spans 2 days
US Airways
US Airways
ONT
2:15a
ORD
9:59a
7h 44m
1 stop
ORD
1:10a
ONT
7:09a
5h 59m
1 stop
Depart: Tue Sep 15 2015 Return: Wed Sep 16 2015 Trip spans 2 days
American Airlines
American Airlines
ONT
10:23a
ORD
6:28p
8h 05m
1 stop
ORD
2:25p
ONT
9:04p
6h 39m
1 stop
Depart: Wed Sep 16 2015 Return: Wed Sep 23 2015 Trip spans 8 days
United
United
ONT
1:05p
ORD
7:29p
6h 24m
1 stop
ORD
1:16a
ONT
8:44a
7h 28m
1 stop
Depart: Sat Sep 19 2015 Return: Sat Sep 26 2015 Trip spans 8 days
United
United
ONT
3:01p
ORD
11:07p
8h 06m
1 stop
ORD
11:06a
ONT
6:27p
7h 21m
1 stop
Depart: Tue Sep 22 2015 Return: Tue Sep 29 2015 Trip spans 8 days
United
United
ONT
8:44a
ORD
3:36p
6h 52m
1 stop
ORD
11:06a
ONT
6:27p
7h 21m
1 stop
Depart: Wed Sep 23 2015 Return: Wed Sep 30 2015 Trip spans 8 days
United
United
ONT
8:44a
ORD
3:45p
7h 01m
1 stop
ORD
1:35p
ONT
10:29p
8h 54m
1 stop
Depart: Mon Oct 5 2015 Return: Wed Oct 7 2015 Trip spans 3 days
American Airlines
American Airlines
ONT
12:40p
ORD
6:10p
5h 30m
1 stop
ORD
2:25p
ONT
9:04p
6h 39m
1 stop
Depart: Tue Oct 6 2015 Return: Tue Oct 13 2015 Trip spans 8 days
US Airways
US Airways
ONT
12:40p
ORD
6:10p
5h 30m
1 stop
ORD
1:00a
ONT
7:13a
6h 13m
1 stop
Depart: Wed Oct 7 2015 Return: Tue Oct 13 2015 Trip spans 7 days
US Airways
US Airways
ONT
8:35a
ORD
2:49p
6h 14m
1 stop
ORD
1:00a
ONT
7:13a
6h 13m
1 stop
Depart: Sat Oct 10 2015 Return: Tue Oct 13 2015 Trip spans 4 days
American Airlines
American Airlines
ONT
3:25p
ORD
11:23p
7h 58m
1 stop
ORD
1:00a
ONT
9:33a
8h 33m
1 stop
Depart: Thu Oct 15 2015 Return: Sat Oct 17 2015 Trip spans 3 days
American Airlines
American Airlines
ONT
5:50p
ORD
12:13a
6h 23m
1 stop
ORD
1:00a
ONT
8:12a
7h 12m
1 stop
Depart: Mon Oct 19 2015 Return: Sun Oct 25 2015 Trip spans 7 days
American Airlines
American Airlines
ONT
3:25p
ORD
11:23p
7h 58m
1 stop
ORD
1:00a
ONT
8:12a
7h 12m
1 stop
Depart: Tue Oct 20 2015 Return: Sat Oct 24 2015 Trip spans 5 days
United
United
ONT
4:57p
ORD
11:20p
6h 23m
1 stop
ORD
3:16p
ONT
10:29p
7h 13m
1 stop
Depart: Fri Aug 21 2015 Return: Tue Aug 25 2015 Trip spans 5 days
Delta
Delta
ONT
2:05a
ORD
9:29a
7h 24m
1 stop
ORD
2:37p
ONT
8:42p
6h 05m
1 stop
Airports
Origin

Ontario
$226
Destination

Chicago
$226