Find Cheap Flights from Ontario to Chicago (ONT - CHI)

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

(Round-trip)
Depart: Mon Aug 21 2017 Return: Wed Aug 23 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
ORD
3h 57m
nonstop
ORD
ONT
6h 33m
1 stop
Depart: Wed Sep 6 2017 Return: Sat Sep 9 2017 Trip spans 4 days
United
United
ONT
ORD
5h 50m
1 stop
ORD
ONT
5h 50m
1 stop
Depart: Tue Oct 31 2017 Return: Sat Nov 4 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
MDW
1h 24m
1 stop
MDW
ONT
5h 24m
1 stop
Depart: Tue Aug 29 2017 Return: Thu Aug 31 2017 Trip spans 3 days
Delta
Delta
ONT
ORD
5h 43m
1 stop
ORD
ONT
5h 59m
1 stop
Depart: Sat Jul 29 2017 Return: Wed Aug 9 2017 Trip spans 12 days
Southwest
Southwest
ONT
MDW
5h 15m
1 stop
MDW
ONT
6h 50m
2 stops
Depart: Wed Nov 8 2017 Return: Mon Nov 13 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
ORD
6h 24m
1 stop
ORD
ONT
8h 39m
1 stop
Depart: Thu Nov 9 2017 Return: Tue Nov 14 2017 Trip spans 6 days
United
United
ONT
ORD
7h 18m
1 stop
ORD
ONT
8h 13m
1 stop
Depart: Sun Aug 13 2017 Return: Tue Aug 15 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
ORD
3h 57m
nonstop
ORD
ONT
4h 17m
nonstop
Depart: Tue Oct 3 2017 Return: Sat Oct 7 2017 Trip spans 5 days
Delta
Delta
ONT
ORD
5h 43m
1 stop
ORD
ONT
7h 18m
1 stop
Depart: Wed Jul 5 2017 Return: Thu Jul 13 2017 Trip spans 9 days
American Airlines
American Airlines
ONT
ORD
3h 57m
nonstop
ORD
ONT
4h 17m
nonstop
Depart: Thu Jul 6 2017 Return: Thu Jul 13 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
ORD
3h 57m
nonstop
ORD
ONT
4h 17m
nonstop
Depart: Thu Jun 29 2017 Return: Thu Jul 6 2017 Trip spans 8 days
United
United
ONT
ORD
6h 08m
1 stop
ORD
ONT
6h 32m
1 stop
Depart: Sun Jul 23 2017 Return: Thu Jul 27 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
ORD
3h 57m
nonstop
ORD
ONT
4h 17m
nonstop
Depart: Wed Aug 2 2017 Return: Sat Aug 5 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
MDW
1h 24m
1 stop
MDW
ONT
5h 24m
1 stop
Depart: Sun Jul 16 2017 Return: Fri Jul 28 2017 Trip spans 13 days
Southwest
Southwest
ONT
MDW
6h 05m
1 stop
MDW
ONT
5h 25m
1 stop
Depart: Fri Aug 18 2017 Return: Mon Aug 21 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
ORD
3h 57m
nonstop
ORD
ONT
4h 17m
nonstop
Depart: Fri Oct 20 2017 Return: Mon Oct 23 2017 Trip spans 4 days
United
United
ONT
ORD
7h 02m
1 stop
ORD
ONT
6h 43m
1 stop
Depart: Fri Aug 4 2017 Return: Mon Aug 7 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
MDW
1h 24m
1 stop
MDW
ONT
5h 24m
1 stop
Depart: Sat Jul 15 2017 Return: Thu Jul 20 2017 Trip spans 6 days
American Airlines
American Airlines
ONT
ORD
6h 21m
1 stop
ORD
ONT
4h 17m
nonstop
Depart: Thu Sep 14 2017 Return: Mon Sep 18 2017 Trip spans 5 days
Delta
Delta
ONT
MDW
8h 49m
2 stops
MDW
ONT
12h 24m
2 stops
Direct flights ONT to CHI on American Airlines
Flight # Depart ONT Arrive ORD Sun Mon Tue Wed Thu Fri Sat Valid Between
2744 11:59 pm 5:56 am Jul 5 - Aug 21
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Ontario
$243
Destination

Chicago
only $243
only $252
Airlines Airline reviews

1 traveler who booked a flight from Ontario to Chicago rated their chosen airline with an average of 4.6

Overall
6.0
Boarding
6.0
Crew
8.0
Comfort
2.0
Food
2.0
Entertainment
4.0