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

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 Ontario to Chicago O'Hare International

(Round-trip)
Depart: Sat Mar 5 2016 Return: Tue Mar 8 2016 Trip spans 4 days
United
United
ONT
1:56p
ORD
10:34p
8h 38m
1 stop
ORD
12:36p
ONT
8:55p
8h 19m
1 stop
Depart: Tue Mar 8 2016 Return: Wed Mar 9 2016 Trip spans 2 days
United
United
ONT
7:49a
ORD
5:24p
9h 35m
1 stop
ORD
8:17a
ONT
3:31p
7h 14m
1 stop
Depart: Wed Mar 9 2016 Return: Tue Mar 15 2016 Trip spans 6 days
United
United
ONT
2:01p
ORD
9:34p
7h 33m
1 stop
ORD
1:37p
ONT
9:31p
7h 54m
1 stop
Depart: Wed Apr 13 2016 Return: Wed Apr 20 2016 Trip spans 8 days
United
United
ONT
2:00a
ORD
10:04a
8h 04m
1 stop
ORD
2:55a
ONT
10:06a
7h 11m
1 stop
Depart: Sat Apr 16 2016 Return: Wed Apr 20 2016 Trip spans 5 days
United
United
ONT
2:00a
ORD
10:04a
8h 04m
1 stop
ORD
2:55a
ONT
10:06a
7h 11m
1 stop
Depart: Wed Apr 20 2016 Return: Tue Apr 26 2016 Trip spans 7 days
United
United
ONT
8:36a
ORD
4:08p
7h 32m
1 stop
ORD
9:26a
ONT
6:16p
8h 50m
1 stop
Depart: Sat Apr 23 2016 Return: Tue Apr 26 2016 Trip spans 4 days
United
United
ONT
11:29a
ORD
7:30p
8h 01m
1 stop
ORD
2:55p
ONT
9:56p
7h 01m
1 stop
Depart: Wed Apr 27 2016 Return: Tue May 3 2016 Trip spans 7 days
United
United
ONT
8:36a
ORD
4:08p
7h 32m
1 stop
ORD
5:25a
ONT
2:16p
8h 51m
1 stop
Depart: Thu Feb 25 2016 Return: Tue Mar 22 2016 Trip spans 26 days
United
United
ONT
7:37a
ORD
2:21p
6h 44m
1 stop
ORD
2:00a
ONT
10:19a
8h 19m
1 stop
Depart: Mon Feb 29 2016 Return: Tue Mar 8 2016 Trip spans 9 days
United
United
ONT
3:28p
ORD
11:31p
8h 03m
1 stop
ORD
8:14a
ONT
3:31p
7h 17m
1 stop
Depart: Tue Mar 1 2016 Return: Tue Mar 8 2016 Trip spans 8 days
United
United
ONT
7:37a
ORD
2:21p
6h 44m
1 stop
ORD
12:37p
ONT
8:27p
7h 50m
1 stop
Depart: Wed Mar 2 2016 Return: Tue Mar 8 2016 Trip spans 7 days
United
United
ONT
7:37a
ORD
3:23p
7h 46m
1 stop
ORD
12:37p
ONT
8:13p
7h 36m
1 stop
Depart: Mon Mar 7 2016 Return: Wed Mar 9 2016 Trip spans 3 days
United
United
ONT
10:02a
ORD
5:29p
7h 27m
1 stop
ORD
8:17a
ONT
3:31p
7h 14m
1 stop
Depart: Thu Apr 21 2016 Return: Tue Apr 26 2016 Trip spans 6 days
United
United
ONT
2:00a
ORD
10:04a
8h 04m
1 stop
ORD
9:26a
ONT
6:16p
8h 50m
1 stop
Depart: Mon Feb 22 2016 Return: Tue Mar 8 2016 Trip spans 16 days
United
United
ONT
9:48a
ORD
5:15p
7h 27m
1 stop
ORD
1:32p
ONT
8:55p
7h 23m
1 stop
Depart: Tue Feb 23 2016 Return: Sat Feb 27 2016 Trip spans 5 days
United
United
ONT
7:37a
ORD
2:21p
6h 44m
1 stop
ORD
10:12a
ONT
4:58p
6h 46m
1 stop
Depart: Wed Feb 24 2016 Return: Tue Mar 8 2016 Trip spans 14 days
United
United
ONT
1:00a
ORD
8:03a
7h 03m
1 stop
ORD
12:04p
ONT
8:55p
8h 51m
1 stop
Depart: Sat Feb 20 2016 Return: Mon Feb 22 2016 Trip spans 3 days
Delta
Delta
ONT
1:10a
ORD
8:25a
7h 15m
1 stop
ORD
1:32p
ONT
7:29p
5h 57m
1 stop
Depart: Sun Mar 6 2016 Return: Tue Mar 8 2016 Trip spans 3 days
American Airlines
American Airlines
ONT
4:30p
ORD
11:02p
6h 32m
1 stop
ORD
9:56a
ONT
5:05p
7h 09m
1 stop
Depart: Fri Aug 12 2016 Return: Mon Aug 15 2016 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
1:30p
ORD
12:41a
11h 11m
1 stop
ORD
2:15a
ONT
2:39p
12h 24m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
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Airports
Origin

Ontario
$177
Destination

Chicago
$177