Find Cheap 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 Oct 21 2017 Return: Wed Oct 25 2017 Trip spans 5 days
United
United
ONT
12:00a
ORD
6:51a
6h 51m
1 stop
ORD
12:00a
ONT
6:44a
6h 44m
1 stop
Depart: Tue Dec 5 2017 Return: Tue Dec 12 2017 Trip spans 8 days
Frontier
Frontier
ONT
12:00a
ORD
8:59p
20h 59m
1 stop
ORD
12:00a
ONT
5:12p
17h 12m
1 stop
Depart: Tue Jan 30 2018 Return: Thu Feb 1 2018 Trip spans 3 days
American Airlines
American Airlines
ONT
12:00a
ORD
5:29a
5h 29m
1 stop
ORD
12:00a
ONT
6:00a
6h 00m
1 stop
Depart: Sat Oct 21 2017 Return: Sat Oct 28 2017 Trip spans 8 days
United
United
ONT
12:00a
ORD
6:51a
6h 51m
1 stop
ORD
12:00a
ONT
7:04a
7h 04m
1 stop
Depart: Thu Oct 19 2017 Return: Mon Oct 23 2017 Trip spans 5 days
Delta
Delta
ONT
12:00a
ORD
5:53a
5h 53m
1 stop
ORD
12:00a
ONT
6:10a
6h 10m
1 stop
Depart: Fri Nov 3 2017 Return: Tue Nov 7 2017 Trip spans 5 days
Frontier
Frontier
ONT
12:00a
ORD
9:10p
21h 10m
1 stop
ORD
12:00a
ONT
1:49p
13h 49m
1 stop
Depart: Mon Oct 23 2017 Return: Wed Oct 25 2017 Trip spans 3 days
United
United
ONT
12:00a
ORD
6:20a
6h 20m
1 stop
ORD
12:00a
ONT
6:44a
6h 44m
1 stop
Depart: Wed Dec 6 2017 Return: Tue Dec 12 2017 Trip spans 7 days
United
United
ONT
12:00a
ORD
5:27a
5h 27m
1 stop
ORD
12:00a
ONT
6:14a
6h 14m
1 stop
Depart: Tue Mar 13 2018 Return: Tue Mar 20 2018 Trip spans 8 days
Frontier
Frontier
ONT
12:00a
ORD
1:08p
13h 08m
1 stop
ORD
12:00a
ONT
1:45p
13h 45m
1 stop
Depart: Thu Jan 11 2018 Return: Mon Jan 15 2018 Trip spans 5 days
United
United
ONT
12:00a
ORD
8:08a
8h 08m
1 stop
ORD
12:00a
ONT
6:43a
6h 43m
1 stop
Depart: Thu Feb 22 2018 Return: Tue Feb 27 2018 Trip spans 6 days
United
United
ONT
12:00a
ORD
5:40a
5h 40m
1 stop
ORD
12:00a
ONT
6:00a
6h 00m
1 stop
Depart: Mon Mar 5 2018 Return: Wed Mar 7 2018 Trip spans 3 days
United
United
ONT
12:00a
ORD
6:58a
6h 58m
1 stop
ORD
12:00a
ONT
6:33a
6h 33m
1 stop
Depart: Fri Sep 29 2017 Return: Sat Sep 30 2017 Trip spans 2 days
United
United
ONT
12:00a
ORD
7:44a
7h 44m
1 stop
ORD
12:00a
ONT
9:40a
9h 40m
1 stop
Depart: Sat Nov 18 2017 Return: Tue Nov 21 2017 Trip spans 4 days
Frontier
Frontier
ONT
12:00a
ORD
9:10p
21h 10m
1 stop
ORD
12:00a
ONT
1:49p
13h 49m
1 stop
Depart: Sat Sep 23 2017 Return: Tue Sep 26 2017 Trip spans 4 days
United
United
ONT
12:00a
ORD
7:55a
7h 55m
1 stop
ORD
12:00a
ONT
8:04a
8h 04m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Ontario
$214
Destination

Chicago
$214
Airlines Airline reviews

2 travelers who booked a flight from Ontario to Chicago rated their chosen airlines with an average of 6.0.

Overall
6.0
Boarding
6.0
Crew
6.0
Comfort
6.0
Food
6.0
Entertainment
6.0