Find Deals on Flights from Canada to Chicago O'Hare International

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Canada to Chicago O'Hare International

(Round-trip)
Depart: Sat May 13 2017 Return: Wed May 17 2017 Trip spans 5 days
Major Airline
Major Airline
YUL
ORD
6h 08m
1 stop
ORD
YUL
5h 56m
1 stop
Depart: Sat Mar 25 2017 Return: Wed Mar 29 2017 Trip spans 5 days
United
United
YYZ
ORD
1h 57m
nonstop
ORD
YYZ
1h 39m
nonstop
Depart: Thu Mar 16 2017 Return: Mon Mar 20 2017 Trip spans 5 days
American Airlines
American Airlines
YUL
ORD
2h 47m
nonstop
ORD
YUL
2h 06m
nonstop
Depart: Tue Aug 15 2017 Return: Fri Aug 18 2017 Trip spans 4 days
WestJet
WestJet
YYZ
ORD
1h 54m
nonstop
ORD
YYZ
1h 36m
nonstop
Depart: Tue Mar 28 2017 Return: Wed Apr 5 2017 Trip spans 9 days
Delta
Delta
YQB
ORD
13h 07m
2 stops
ORD
YQB
5h 56m
1 stop
Depart: Sat Apr 29 2017 Return: Mon May 1 2017 Trip spans 3 days
Air Canada
Air Canada
YTZ
ORD
4h 38m
1 stop
ORD
YTZ
4h 15m
1 stop
Depart: Wed Mar 29 2017 Return: Sun Apr 2 2017 Trip spans 5 days
United
United
YYZ
ORD
1h 57m
nonstop
ORD
YYZ
1h 31m
nonstop
Depart: Tue Apr 4 2017 Return: Sun Apr 16 2017 Trip spans 13 days
Major Airline
Major Airline
YYZ
ORD
1h 50m
nonstop
ORD
YYZ
1h 31m
nonstop
Depart: Wed Mar 29 2017 Return: Fri Apr 7 2017 Trip spans 10 days
American Airlines
American Airlines
YUL
ORD
2h 47m
nonstop
ORD
YUL
2h 07m
nonstop
Depart: Mon Apr 10 2017 Return: Wed Apr 19 2017 Trip spans 10 days
Major Airline
Major Airline
YYZ
ORD
1h 50m
nonstop
ORD
YYZ
1h 31m
nonstop
Depart: Thu Apr 13 2017 Return: Mon Apr 17 2017 Trip spans 5 days
United
United
YYZ
ORD
1h 51m
nonstop
ORD
YYZ
1h 33m
nonstop
Depart: Fri Apr 7 2017 Return: Mon Apr 10 2017 Trip spans 4 days
American Airlines
American Airlines
YUL
ORD
2h 36m
nonstop
ORD
YUL
2h 09m
nonstop
Depart: Wed Apr 19 2017 Return: Thu Apr 20 2017 Trip spans 2 days
Major Airline
Major Airline
YYZ
ORD
1h 50m
nonstop
ORD
YYZ
1h 34m
nonstop
Depart: Sun Apr 30 2017 Return: Tue May 9 2017 Trip spans 10 days
United
United
YYZ
ORD
1h 52m
nonstop
ORD
YYZ
1h 31m
nonstop
Depart: Sun Jun 11 2017 Return: Tue Jun 13 2017 Trip spans 3 days
Major Airline
Major Airline
YYZ
ORD
1h 48m
nonstop
ORD
YYZ
1h 36m
nonstop
Depart: Fri May 26 2017 Return: Mon May 29 2017 Trip spans 4 days
United
United
YYZ
ORD
1h 52m
nonstop
ORD
YYZ
1h 41m
nonstop
Depart: Sun Apr 30 2017 Return: Thu May 4 2017 Trip spans 5 days
Air Canada
Air Canada
YTZ
ORD
4h 38m
1 stop
ORD
YTZ
4h 15m
1 stop
Depart: Wed May 3 2017 Return: Thu May 11 2017 Trip spans 9 days
WestJet
WestJet
YEG
ORD
5h 32m
1 stop
ORD
YEG
6h 03m
1 stop
Depart: Thu May 25 2017 Return: Sun May 28 2017 Trip spans 4 days
Major Airline
Major Airline
YYZ
ORD
1h 56m
nonstop
ORD
YYZ
1h 34m
nonstop
Depart: Thu Aug 10 2017 Return: Sat Sep 2 2017 Trip spans 24 days
United
United
YYZ
ORD
1h 44m
nonstop
ORD
YYZ
1h 34m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Québec City
$242
Edmonton
$292
Montreal
$193
Toronto
only $205
only $265
Destination

Chicago
$193
Airlines Airline reviews

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

Overall
6.3
Boarding
6.7
Crew
7.1
Comfort
6.1
Food
4.6
Entertainment
4.5