YUL

$146 Find Cheap Flights from Illinois to Montreal - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Montreal departing on 8/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Montreal Pierre Elliott Trudeau Intl Airport

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Montreal

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Montreal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Montreal

Sun, Nov 1 - Sun, Nov 1
Air Canada Logo
8:45 am - 3:25 pm
ORD
-
YUL
5h 40m
1 stop
Air Canada Logo
6:10 pm - 7:52 pm
YUL
-
ORD
2h 42mnonstop
$257Air Canada
Fri, Jul 10 - Fri, Jul 10
Air Canada Logo
11:05 am - 2:23 pm
ORD
-
YUL
2h 18mnonstop
Air Canada Logo
4:30 pm - 8:29 pm
YUL
-
ORD
4h 59m
1 stop
$275Air Canada
Wed, Oct 7 - Sun, Oct 11
Porter Airlines Logo
3:20 pm - 8:10 pm
ORD
-
YUL
3h 50m
1 stop
Porter Airlines Logo
10:35 am - 2:35 pm
YUL
-
ORD
5h 00m
1 stop
$287Porter Airlines
Tue, Jul 28 - Wed, Jul 29
Porter Airlines Logo
3:20 pm - 10:10 pm
MDW
-
YUL
5h 50m
1 stop
Porter Airlines Logo
10:35 am - 2:35 pm
YUL
-
MDW
5h 00m
1 stop
$290Porter Airlines
Tue, Oct 6 - Tue, Oct 13
American Airlines Logo
8:05 pm - 11:20 am
STL
-
YUL
14h 15m
1 stop
American Airlines Logo
12:30 pm - 8:08 pm
YUL
-
STL
8h 38m
1 stop
$538American Airlines
Fri, Jul 31 - Fri, Aug 7
Multiple Airlines Logo
4:57 pm - 6:15 pm
STL
-
YUL
24h 18m
2 stops
Multiple Airlines Logo
6:51 pm - 11:56 am
YUL
-
STL
18h 05m
1 stop
$543Multiple Airlines
Wed, Jul 22 - Wed, Jul 29
Multiple Airlines Logo
4:57 pm - 6:15 pm
STL
-
YUL
24h 18m
2 stops
Multiple Airlines Logo
7:00 am - 5:53 pm
YUL
-
STL
11h 53m
1 stop
$555Multiple Airlines
Tue, Sep 15 - Fri, Sep 18
American Airlines Logo
5:18 pm - 11:44 am
STL
-
YUL
17h 26m
1 stop
American Airlines Logo
5:34 pm - 10:20 am
YUL
-
STL
17h 46m
1 stop
$557American Airlines
Sun, Aug 9 - Sun, Aug 16
Delta Logo
6:00 am - 6:54 pm
BMI
-
YUL
11h 54m
2 stops
Delta Logo
7:00 am - 3:41 pm
YUL
-
BMI
9h 41m
1 stop
$718Delta
Sat, Dec 5 - Tue, Dec 8
Delta Logo
10:05 am - 5:03 pm
EVV
-
YUL
5h 58m
1 stop
Delta Logo
11:15 am - 10:03 pm
YUL
-
EVV
11h 48m
2 stops
$760Delta
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$146
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from Chicago O'Hare Airport to Montreal

Flights from Illinois to Montreal: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Illinois to Montreal 
Learn how KAYAK collects reviews and tips from users.
ScottFlew with Air Canada
ORD
-
YUL
Jun 2026
Make sure you have enough time between connecting flights so ½ of your baggage doesn't miss the flight and take another 24hrs to show up
valerieFlew with Air Canada
ORD
-
YUL
Jan 2025
“Meal” usually means more than a light snack. I thought what they served was an appetizer not the total meal. So I’d eat before or bring food.

FAQs for booking Illinois to Montreal flights

  • How does KAYAK find such low prices on flights from Illinois to Montreal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Montreal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Montreal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Montreal from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Montreal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Montreal with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Montreal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Montreal from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Trois-Rivières
Brossard
Dorval
Longueuil
Bromont
Saint-Sauveur
Montebello
Boucherville
Sutton
North Hatley
Louiseville
Eastman
Waterloo

Everything you need to know for your flight to Montreal

Information on your arrival and departure airports

Montreal (YUL)