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: Fri Aug 11 2017 Return: Sun Aug 13 2017 Trip spans 3 days
American Airlines
American Airlines
ORD
1:00a
ONT
7:02a
6h 02m
1 stop
ONT
7:59p
ORD
11:56p
3h 57m
nonstop
Depart: Sat Oct 28 2017 Return: Wed Nov 1 2017 Trip spans 5 days
Delta
Delta
ORD
3:50a
ONT
9:48a
5h 58m
1 stop
ONT
6:20a
ORD
12:03p
5h 43m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 20 2017 Trip spans 22 days
Major Airline
Major Airline
ORD
10:00p
ONT
10:33a
12h 33m
1 stop
ONT
9:15a
ORD
8:32p
11h 17m
1 stop
Depart: Mon Jul 3 2017 Return: Thu Jul 6 2017 Trip spans 4 days
United
United
ORD
2:00a
ONT
10:15a
8h 15m
1 stop
ONT
5:40p
ORD
12:43a
7h 03m
1 stop
Depart: Tue Oct 10 2017 Return: Sat Oct 14 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ORD
11:40a
ONT
8:20p
8h 40m
1 stop
ONT
2:20a
ORD
10:14a
7h 54m
1 stop
Depart: Sat Aug 12 2017 Return: Sun Aug 13 2017 Trip spans 2 days
American Airlines
American Airlines
ORD
1:00a
ONT
7:02a
6h 02m
1 stop
ONT
7:59p
ORD
11:56p
3h 57m
nonstop
Depart: Thu Aug 17 2017 Return: Sun Aug 20 2017 Trip spans 4 days
American Airlines
American Airlines
ORD
1:00a
ONT
7:02a
6h 02m
1 stop
ONT
7:59p
ORD
11:56p
3h 57m
nonstop
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
12:30p
ORD
5:59p
5h 29m
1 stop
Depart: Wed Sep 27 2017 Return: Sat Sep 30 2017 Trip spans 4 days
American Airlines
American Airlines
ORD
1:30a
ONT
7:57a
6h 27m
1 stop
ONT
12:30p
ORD
5:59p
5h 29m
1 stop
Depart: Sat Jun 24 2017 Return: Tue Jun 27 2017 Trip spans 4 days
United
United
ORD
7:25a
ONT
3:30p
8h 05m
1 stop
ONT
12:50p
ORD
7:47p
6h 57m
1 stop
Depart: Tue Oct 24 2017 Return: Sun Oct 29 2017 Trip spans 6 days
Delta
Delta
ORD
2:45p
ONT
8:44p
5h 59m
1 stop
ONT
6:20a
ORD
12:03p
5h 43m
1 stop
Depart: Sat May 20 2017 Return: Sun May 21 2017 Trip spans 2 days
American Airlines
American Airlines
ORD
1:00a
ONT
7:01a
6h 01m
1 stop
ONT
5:50p
ORD
12:06a
6h 16m
1 stop
Depart: Sat Jun 10 2017 Return: Tue Jun 13 2017 Trip spans 4 days
United
United
ORD
10:05a
ONT
7:14p
9h 09m
1 stop
ONT
12:50p
ORD
7:47p
6h 57m
1 stop
Depart: Fri Sep 15 2017 Return: Tue Sep 19 2017 Trip spans 5 days
American Airlines
American Airlines
ORD
11:00a
ONT
7:39p
8h 39m
1 stop
ONT
8:45a
ORD
3:00p
6h 15m
1 stop
Depart: Sat May 27 2017 Return: Sun May 28 2017 Trip spans 2 days
United
United
ORD
3:20p
ONT
10:11p
6h 51m
1 stop
ONT
5:10p
ORD
11:17p
6h 07m
1 stop
Depart: Sat Oct 14 2017 Return: Sun Oct 15 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
ORD
11:40a
ONT
8:20p
8h 40m
1 stop
ONT
2:20a
ORD
12:06p
9h 46m
1 stop
Depart: Thu Sep 28 2017 Return: Sat Sep 30 2017 Trip spans 3 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 Aug 22 2017 Return: Thu Aug 31 2017 Trip spans 10 days
Delta
Delta
ORD
2:45p
ONT
8:39p
5h 54m
1 stop
ONT
6:20a
ORD
12:03p
5h 43m
1 stop
Depart: Tue Jul 4 2017 Return: Sat Jul 8 2017 Trip spans 5 days
United
United
ORD
4:35a
ONT
2:20p
9h 45m
1 stop
ONT
12:50p
ORD
7:48p
6h 58m
1 stop
Depart: Sat Apr 29 2017 Return: Tue May 2 2017 Trip spans 4 days
Major Airline
Major Airline
ORD
7:40a
ONT
4:14p
8h 34m
1 stop
ONT
10:20p
ORD
8:15a
9h 55m
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
$257
Destination

Ontario
$257