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

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 Ontario

(Round-trip)
Depart: Sat Jun 3 2017 Return: Tue Jun 6 2017 Trip spans 4 days
United
United
ORD
10:00a
ONT
6:36p
8h 36m
1 stop
ONT
4:10p
ORD
11:17p
7h 07m
1 stop
Depart: Wed Sep 6 2017 Return: Tue Sep 12 2017 Trip spans 7 days
American Airlines
American Airlines
ORD
3:10a
ONT
9:46a
6h 36m
1 stop
ONT
12:30p
ORD
5:59p
5h 29m
1 stop
Depart: Tue Sep 5 2017 Return: Tue Sep 12 2017 Trip spans 8 days
Delta
Delta
ORD
12:40p
ONT
6:59p
6h 19m
1 stop
ONT
6:20a
ORD
12:03p
5h 43m
1 stop
Depart: Thu Sep 28 2017 Return: Tue Oct 3 2017 Trip spans 6 days
Major Airline
Major Airline
ORD
2:25a
ONT
10:17a
7h 52m
3 stops
ONT
3:40a
ORD
1:19p
9h 39m
3 stops
Depart: Tue Nov 7 2017 Return: Tue Nov 14 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ORD
5:00a
ONT
1:30p
8h 30m
1 stop
ONT
3:45p
ORD
7:30a
15h 45m
1 stop
Depart: Sun Jun 4 2017 Return: Tue Jun 6 2017 Trip spans 3 days
United
United
ORD
8:20a
ONT
5:36p
9h 16m
1 stop
ONT
3:10p
ORD
11:17p
8h 07m
1 stop
Depart: Wed Sep 20 2017 Return: Sat Sep 23 2017 Trip spans 4 days
American Airlines
American Airlines
ORD
3:10a
ONT
9:46a
6h 36m
1 stop
ONT
12:30p
ORD
5:59p
5h 29m
1 stop
Depart: Mon Sep 18 2017 Return: Tue Sep 26 2017 Trip spans 9 days
Delta
Delta
ORD
2:45p
ONT
8:44p
5h 59m
1 stop
ONT
6:20a
ORD
12:03p
5h 43m
1 stop
Depart: Mon Jun 5 2017 Return: Tue Jun 6 2017 Trip spans 2 days
United
United
ORD
8:20a
ONT
4:40p
8h 20m
1 stop
ONT
5:10p
ORD
11:17p
6h 07m
1 stop
Depart: Tue Sep 26 2017 Return: Sat Sep 30 2017 Trip spans 5 days
American Airlines
American Airlines
ORD
3:10a
ONT
9:46a
6h 36m
1 stop
ONT
8:45a
ORD
3:00p
6h 15m
1 stop
Depart: Mon Aug 21 2017 Return: Thu Aug 24 2017 Trip spans 4 days
Major Airline
Major Airline
ORD
10:00p
ONT
10:16a
12h 16m
3 stops
ONT
9:15a
ORD
8:32p
11h 17m
3 stops
Depart: Tue Jun 6 2017 Return: Wed Jun 7 2017 Trip spans 2 days
United
United
ORD
11:00a
ONT
6:34p
7h 34m
1 stop
ONT
5:10p
ORD
11:17p
6h 07m
1 stop
Depart: Fri Sep 22 2017 Return: Tue Sep 26 2017 Trip spans 5 days
Delta
Delta
ORD
2:45p
ONT
8:44p
5h 59m
1 stop
ONT
6:20a
ORD
12:03p
5h 43m
1 stop
Depart: Wed Sep 27 2017 Return: Sat Sep 30 2017 Trip spans 4 days
American Airlines
American Airlines
ORD
3:10a
ONT
9:46a
6h 36m
1 stop
ONT
12:30p
ORD
5:59p
5h 29m
1 stop
Depart: Fri Aug 25 2017 Return: Sat Sep 2 2017 Trip spans 9 days
Major Airline
Major Airline
ORD
10:00p
ONT
10:16a
12h 16m
1 stop
ONT
9:15a
ORD
3:07a
17h 52m
1 stop
Depart: Wed Jun 7 2017 Return: Sat Jun 10 2017 Trip spans 4 days
United
United
ORD
8:48a
ONT
5:36p
8h 48m
1 stop
ONT
12:50p
ORD
7:47p
6h 57m
1 stop
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
American Airlines
American Airlines
ORD
12:50p
ONT
7:39p
6h 49m
1 stop
ONT
3:30p
ORD
12:10a
8h 40m
1 stop
Depart: Sat Aug 26 2017 Return: Sat Sep 2 2017 Trip spans 8 days
United
United
ORD
7:12a
ONT
3:30p
8h 18m
1 stop
ONT
6:44a
ORD
2:45p
8h 01m
1 stop
Depart: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
American Airlines
American Airlines
ORD
3:10a
ONT
9:46a
6h 36m
1 stop
ONT
12:30p
ORD
5:59p
5h 29m
1 stop
Depart: Fri Oct 27 2017 Return: Sat Oct 28 2017 Trip spans 2 days
Delta
Delta
ORD
2:45p
ONT
8:44p
5h 59m
1 stop
ONT
2:00a
ORD
7:45a
5h 45m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Chicago
$214
Destination

Ontario
$214