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Cheap flights from Illinois to Montreal from C$ 76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Montreal departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:05 a.m. - 1:45 p.m.
ORD
-
YUL
6h 40m1 stop
American Airlines Logo
3:50 p.m. - 5:50 p.m.
YUL
-
ORD
3h 00mdirect
C$ 273American Airlines
Sun, 1 Feb - Wed, 4 Feb
United Airlines Logo
3:50 p.m. - 9:42 p.m.
ORD
-
YUL
4h 52m1 stop
United Airlines Logo
4:45 p.m. - 6:45 p.m.
YUL
-
ORD
3h 00mdirect
C$ 278United Airlines
Sat, 14 Feb - Sat, 21 Feb
Porter Airlines Logo
11:00 a.m. - 4:30 p.m.
MDW
-
YUL
4h 30m1 stop
Porter Airlines Logo
6:45 a.m. - 10:05 a.m.
YUL
-
MDW
4h 20m1 stop
C$ 280Porter Airlines
Wed, 18 Feb - Fri, 20 Feb
Air Canada Logo
1:00 p.m. - 7:48 p.m.
ORD
-
YUL
5h 48m1 stop
Air Canada Logo
3:00 p.m. - 8:13 p.m.
YUL
-
ORD
6h 13m1 stop
C$ 282Air Canada
Sat, 7 Feb - Sun, 8 Feb
Air Canada Logo
12:50 p.m. - 4:01 p.m.
ORD
-
YUL
2h 11mdirect
Air Canada Logo
6:00 a.m. - 8:05 a.m.
YUL
-
ORD
3h 05mdirect
C$ 289Air Canada
Sat, 7 Feb - Sun, 8 Feb
Porter Airlines Logo
4:15 p.m. - 10:45 p.m.
MDW
-
YUL
5h 30m1 stop
Porter Airlines Logo
6:45 a.m. - 10:05 a.m.
YUL
-
MDW
4h 20m1 stop
C$ 321Porter Airlines
Fri, 13 Feb - Mon, 16 Feb
Delta Logo
6:00 a.m. - 4:53 p.m.
MDW
-
YUL
9h 53m1 stop
Delta Logo
6:00 a.m. - 12:46 p.m.
YUL
-
MDW
7h 46m1 stop
C$ 327Delta
Thu, 12 Feb - Sun, 15 Feb
Delta Logo
4:30 p.m. - 11:50 p.m.
MDW
-
YUL
6h 20m1 stop
Delta Logo
7:00 a.m. - 11:59 a.m.
YUL
-
MDW
5h 59m1 stop
C$ 342Delta
Sat, 7 Feb - Wed, 11 Feb
Multiple Airlines Logo
4:15 p.m. - 12:38 a.m.
MDW
-
YUL
7h 23m1 stop
Multiple Airlines Logo
10:15 a.m. - 3:20 p.m.
YUL
-
MDW
6h 05m1 stop
C$ 350Multiple Airlines
Fri, 13 Feb - Sun, 15 Feb
Multiple Airlines Logo
12:12 p.m. - 12:30 a.m.
STL
-
YUL
11h 18m1 stop
Multiple Airlines Logo
6:45 a.m. - 11:33 p.m.
YUL
-
STL
17h 48m2 stops
C$ 565Multiple Airlines
Sat, 7 Feb - Mon, 9 Feb

American Airlines flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

Our best American Airlines deals on Illinois to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
1 Feb
ORD6:05 a.m.Chicago O'Hare Intl
6h 40m
1 stop
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
4 Feb
YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl
3h 00m
ORD5:50 p.m.Chicago O'Hare Intl
C$ 273
Find similar
American Airlines
14 Feb
ORD11:50 a.m.Chicago O'Hare Intl
2h 19m
YUL3:09 p.m.Montreal Pierre Elliott Trudeau Intl
21 Feb
YUL7:12 a.m.Montreal Pierre Elliott Trudeau Intl
9h 54m
1 stop
ORD4:06 p.m.Chicago O'Hare Intl
C$ 280
Find similar
American Airlines
1 Feb
ORD6:42 a.m.Chicago O'Hare Intl
4h 42m
1 stop
YUL12:24 p.m.Montreal Pierre Elliott Trudeau Intl
4 Feb
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
6h 35m
1 stop
ORD6:34 p.m.Chicago O'Hare Intl
C$ 293
Find similar

United Airlines flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

Our best United Airlines deals on Illinois to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
14 Feb
ORD3:50 p.m.Chicago O'Hare Intl
4h 52m
1 stop
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl
21 Feb
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
3h 00m
ORD6:45 p.m.Chicago O'Hare Intl
C$ 278
Find similar
United Airlines
7 Feb
ORD7:10 a.m.Chicago O'Hare Intl
5h 18m
1 stop
YUL1:28 p.m.Montreal Pierre Elliott Trudeau Intl
11 Feb
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 05m
1 stop
ORD12:05 p.m.Chicago O'Hare Intl
C$ 285
Find similar
United Airlines
7 Feb
ORD8:52 a.m.Chicago O'Hare Intl
5h 24m
1 stop
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
8 Feb
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
3h 05m
ORD8:05 a.m.Chicago O'Hare Intl
C$ 291
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sun 1/2

6:05 a.m.-1:45 p.m.

1 stop6h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

3:50 p.m.-5:50 p.m.

Nonstop3h 00m

C$ 273

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 14/2

3:50 p.m.-9:42 p.m.

1 stop4h 52m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

4:45 p.m.-6:45 p.m.

Nonstop3h 00m

C$ 278

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 18/2

11:00 a.m.-4:30 p.m.

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

6:45 a.m.-10:05 a.m.

1 stop4h 20m

C$ 280

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 7/2

1:00 p.m.-7:48 p.m.

1 stop5h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

3:00 p.m.-8:13 p.m.

1 stop6h 13m

C$ 282

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 7/2

12:50 p.m.-4:01 p.m.

Nonstop2h 11m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

6:00 a.m.-8:05 a.m.

Nonstop3h 05m

C$ 289

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 13/2

4:15 p.m.-10:45 p.m.

1 stop5h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 16/2

6:45 a.m.-10:05 a.m.

1 stop4h 20m

C$ 321

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 12/2

6:00 a.m.-4:53 p.m.

1 stop9h 53m

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

6:00 a.m.-12:46 p.m.

1 stop7h 46m

C$ 327

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 7/2

4:30 p.m.-11:50 p.m.

1 stop6h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

7:00 a.m.-11:59 a.m.

1 stop5h 59m

C$ 342

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 13/2

4:15 p.m.-12:38 a.m.

1 stop7h 23m

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

10:15 a.m.-3:20 p.m.

1 stop6h 05m

C$ 350

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 7/2

12:12 p.m.-12:30 a.m.

1 stop11h 18m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

6:45 a.m.-11:33 p.m.

2 stops17h 48m

C$ 565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Montreal from

How to get the cheapest flight ticket from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of October is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Illinois, with most prices found around C$ 353. The month of September is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Illinois averaging around C$ 390.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Monday when prices can be found for as low as C$ 306. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 683.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

At noon is the cheapest time of day to fly from Illinois to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 304. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around C$ 534. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Illinois to Montreal Pierre Elliott Trudeau Intl flight route?

Fly from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl for the best Illinois - Montreal Pierre Elliott Trudeau Intl flight prices

How far in advance should I book a flight to Montreal Pierre Elliott Trudeau Intl Airport?

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around C$ 530 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Illinois for as low as C$ 313 on momondo.

What cabin class options are available on Illinois to Montreal Pierre Elliott Trudeau Intl flights?

There are 2 cabin classes available to choose from on Illinois to Montreal Pierre Elliott Trudeau Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Montreal Pierre Elliott Trudeau Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Illinois to Montreal Pierre Elliott Trudeau Intl Airport.

Cheap Illinois to Montreal Pierre Elliott Trudeau Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

Best price found

C$ 108

Fastest flight time

2h 05m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Illinois in the past 72 hours is C$ 108. The best round-trip flight deal from Illinois to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is C$ 384.
The fastest flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport takes 2h 05m
Direct flights go from Illinois to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

  • How old do you have to be to fly from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The required travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

Best airlines flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from Illinois to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 339Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Montebello
Trois-Rivières
Sherbrooke
Brossard
Longueuil
Boucherville
Dorval
North Hatley
Cornwall
Drummondville
Magog
Saint-Sauveur
Bromont
Saint-Jean-sur-Richelieu
Sutton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Montreal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Montreal for you.

Can I find flights from Illinois to Montreal with flexible booking policies on momondo?

Yes. All flights to Montreal from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Montreal?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Montreal from Illinois.

I’m not ready to book a flight from Illinois to Montreal right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Montreal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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