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 Jan 20 2018 Return: Sat Jan 27 2018 Trip spans 8 days
American Airlines
American Airlines
ORD
12:00a
ONT
8:46a
8h 46m
1 stop
ONT
12:00a
ORD
7:45a
7h 45m
1 stop
Depart: Tue Oct 31 2017 Return: Tue Nov 7 2017 Trip spans 8 days
Frontier
Frontier
ORD
12:00a
ONT
1:44p
13h 44m
1 stop
ONT
12:00a
ORD
1:00p
13h 00m
1 stop
Depart: Tue Oct 31 2017 Return: Tue Nov 7 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ORD
12:00a
ONT
6:41a
6h 41m
1 stop
ONT
12:00a
ORD
1:00p
13h 00m
1 stop
Depart: Wed Jan 10 2018 Return: Wed Jan 17 2018 Trip spans 8 days
United
United
ORD
12:00a
ONT
7:07a
7h 07m
1 stop
ONT
12:00a
ORD
6:20a
6h 20m
1 stop
Depart: Wed Mar 7 2018 Return: Wed Mar 14 2018 Trip spans 7 days
Delta
Delta
ORD
12:00a
ONT
5:58a
5h 58m
1 stop
ONT
12:00a
ORD
5:50a
5h 50m
1 stop
Depart: Tue Oct 31 2017 Return: Sat Nov 4 2017 Trip spans 5 days
American Airlines
American Airlines
ORD
12:00a
ONT
6:05a
6h 05m
1 stop
ONT
12:00a
ORD
6:34a
6h 34m
1 stop
Depart: Thu Nov 2 2017 Return: Wed Nov 8 2017 Trip spans 7 days
Frontier
Frontier
ORD
12:00a
ONT
1:49p
13h 49m
1 stop
ONT
12:00a
ORD
9:10p
21h 10m
1 stop
Depart: Sat Dec 2 2017 Return: Sat Dec 9 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ORD
12:00a
ONT
7:06a
7h 06m
1 stop
ONT
12:00a
ORD
9:18p
21h 18m
1 stop
Depart: Sat Feb 3 2018 Return: Sat Feb 17 2018 Trip spans 15 days
United
United
ORD
12:00a
ONT
8:13a
8h 13m
1 stop
ONT
12:00a
ORD
7:20a
7h 20m
1 stop
Depart: Wed Feb 7 2018 Return: Sun Feb 11 2018 Trip spans 5 days
American Airlines
American Airlines
ORD
12:00a
ONT
6:00a
6h 00m
1 stop
ONT
12:00a
ORD
8:40a
8h 40m
1 stop
Depart: Thu Dec 7 2017 Return: Mon Dec 11 2017 Trip spans 5 days
Frontier
Frontier
ORD
12:00a
ONT
1:49p
13h 49m
1 stop
ONT
12:00a
ORD
9:13p
21h 13m
1 stop
Depart: Wed Dec 6 2017 Return: Mon Dec 11 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
ORD
12:00a
ONT
7:08a
7h 08m
1 stop
ONT
12:00a
ORD
9:13p
21h 13m
1 stop
Depart: Sat Mar 3 2018 Return: Tue Mar 13 2018 Trip spans 10 days
United
United
ORD
12:00a
ONT
8:13a
8h 13m
1 stop
ONT
12:00a
ORD
7:50a
7h 50m
1 stop
Depart: Thu Nov 2 2017 Return: Sun Nov 5 2017 Trip spans 4 days
Frontier
Frontier
ORD
12:00a
ONT
1:49p
13h 49m
1 stop
ONT
12:00a
ORD
7:59p
20h 59m
1 stop
Depart: Sat Sep 30 2017 Return: Sat Oct 7 2017 Trip spans 8 days
American Airlines
American Airlines
ORD
12:00a
ONT
6:23a
6h 23m
1 stop
ONT
12:00a
ORD
5:49a
5h 49m
1 stop
Depart: Thu Oct 12 2017 Return: Mon Oct 16 2017 Trip spans 5 days
Frontier
Frontier
ORD
12:00a
ONT
1:44p
13h 44m
1 stop
ONT
12:00a
ORD
9:34p
21h 34m
1 stop
Depart: Thu Mar 1 2018 Return: Sun Mar 4 2018 Trip spans 4 days
Frontier
Frontier
ORD
12:00a
ONT
3:46p
15h 46m
1 stop
ONT
12:00a
ORD
1:08p
13h 08m
1 stop
Depart: Mon Nov 27 2017 Return: Sun Dec 3 2017 Trip spans 7 days
American Airlines
American Airlines
ORD
12:00a
ONT
6:45a
6h 45m
1 stop
ONT
12:00a
ORD
8:26a
8h 26m
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
$176
Destination

Ontario
$176