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Cheap flights from Illinois to Montreal from C$ 85

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 27/3. 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.
Porter Airlines Logo
4:15 p.m. - 10:45 p.m.
MDW
-
YUL
5h 30m
1 stop
Porter Airlines Logo
8:55 a.m. - 3:20 p.m.
YUL
-
MDW
7h 25m
1 stop
C$ 267Porter Airlines
Wed, 8 Apr - Fri, 10 Apr
Porter Airlines Logo
11:00 a.m. - 5:45 p.m.
MDW
-
YUL
5h 45m
1 stop
Porter Airlines Logo
6:45 a.m. - 10:05 a.m.
YUL
-
MDW
4h 20m
1 stop
C$ 268Porter Airlines
Thu, 23 Apr - Mon, 27 Apr
Porter Airlines Logo
4:15 p.m. - 10:45 p.m.
MDW
-
YUL
5h 30m
1 stop
Porter Airlines Logo
6:45 a.m. - 10:05 a.m.
YUL
-
MDW
4h 20m
1 stop
C$ 270Porter Airlines
Fri, 3 Apr - Mon, 6 Apr
Porter Airlines Logo
11:00 a.m. - 6:15 p.m.
MDW
-
YUL
6h 15m
1 stop
Porter Airlines Logo
8:55 a.m. - 11:50 a.m.
YUL
-
MDW
3h 55m
1 stop
C$ 271Porter Airlines
Tue, 14 Apr - Sat, 18 Apr
United Airlines Logo
7:13 a.m. - 10:40 a.m.
ORD
-
YUL
2h 27mdirect
United Airlines Logo
6:10 a.m. - 8:00 a.m.
YUL
-
ORD
2h 50mdirect
C$ 279United Airlines
Thu, 9 Apr - Sun, 12 Apr
United Airlines Logo
8:45 a.m. - 12:13 a.m.
ORD
-
YUL
14h 28m
1 stop
United Airlines Logo
6:10 a.m. - 8:00 a.m.
YUL
-
ORD
2h 50mdirect
C$ 293United Airlines
Sun, 29 Mar - Wed, 1 Apr
American Airlines Logo
8:18 a.m. - 11:44 a.m.
ORD
-
YUL
2h 26mdirect
American Airlines Logo
7:45 a.m. - 11:58 p.m.
YUL
-
ORD
17h 13m
1 stop
C$ 301American Airlines
Tue, 14 Apr - Sat, 18 Apr
Lufthansa Logo
10:35 a.m. - 2:00 p.m.
ORD
-
YUL
2h 25mdirect
Lufthansa Logo
4:45 p.m. - 6:45 p.m.
YUL
-
ORD
3h 00mdirect
C$ 305Lufthansa
Thu, 26 Feb - Mon, 2 Mar
American Airlines Logo
5:21 p.m. - 11:44 a.m.
STL
-
YUL
17h 23m
1 stop
American Airlines Logo
12:30 p.m. - 11:46 p.m.
YUL
-
STL
12h 16m
1 stop
C$ 468American Airlines
Tue, 7 Apr - Thu, 9 Apr
Multiple Airlines Logo
8:06 p.m. - 12:38 a.m.
STL
-
YUL
27h 32m
2 stops
Multiple Airlines Logo
4:35 p.m. - 7:02 a.m.
YUL
-
STL
15h 27m
1 stop
C$ 666Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar

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

Our best Porter Airlines deals on Illinois to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Porter Airlines
23 Apr
MDW11:00 a.m.Chicago Midway
5h 45m
1 stop
YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl
27 Apr
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
4h 20m
1 stop
MDW10:05 a.m.Chicago Midway
C$ 268
Porter Airlines
3 Apr
MDW4:15 p.m.Chicago Midway
5h 30m
1 stop
YUL10:45 p.m.Montreal Pierre Elliott Trudeau Intl
6 Apr
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
4h 20m
1 stop
MDW10:05 a.m.Chicago Midway
C$ 270
Porter Airlines
14 Apr
MDW11:00 a.m.Chicago Midway
6h 15m
1 stop
YUL6:15 p.m.Montreal Pierre Elliott Trudeau Intl
18 Apr
YUL8:55 a.m.Montreal Pierre Elliott Trudeau Intl
3h 55m
1 stop
MDW11:50 a.m.Chicago Midway
C$ 271

Air Canada flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Illinois to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
24 Mar
ORD12:50 p.m.Chicago O'Hare Intl
2h 07m
YUL3:57 p.m.Montreal Pierre Elliott Trudeau Intl
26 Mar
YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl
2h 45m
ORD2:55 p.m.Chicago O'Hare Intl
C$ 316
Air Canada
4 Mar
ORD12:50 p.m.Chicago O'Hare Intl
2h 07m
YUL3:57 p.m.Montreal Pierre Elliott Trudeau Intl
6 Mar
YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
1 stop
ORD3:10 p.m.Chicago O'Hare Intl
C$ 330
Air Canada
12 Mar
ORD7:15 a.m.Chicago O'Hare Intl
2h 05m
YUL10:20 a.m.Montreal Pierre Elliott Trudeau Intl
16 Mar
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
5h 00m
1 stop
ORD3:10 p.m.Chicago O'Hare Intl
C$ 332

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 6 February 2026.
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

MDW - YUL

MDWYUL

Chicago Midway

Wed 8/4

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

1 stop5h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

8:55 a.m.-3:20 p.m.

1 stop7h 25m

C$ 267

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 23/4

11:00 a.m.-5:45 p.m.

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

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

1 stop4h 20m

C$ 268

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 3/4

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

1 stop5h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

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

1 stop4h 20m

C$ 270

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Tue 14/4

11:00 a.m.-6:15 p.m.

1 stop6h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

8:55 a.m.-11:50 a.m.

1 stop3h 55m

C$ 271

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 9/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

6:10 a.m.-8:00 a.m.

Nonstop2h 50m

C$ 279

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sun 29/3

8:45 a.m.-12:13 a.m.

1 stop14h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

6:10 a.m.-8:00 a.m.

Nonstop2h 50m

C$ 293

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 14/4

8:18 a.m.-11:44 a.m.

Nonstop2h 26m

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

7:45 a.m.-11:58 p.m.

1 stop17h 13m

C$ 301

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 26/2

10:35 a.m.-2:00 p.m.

Nonstop2h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

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

Nonstop3h 00m

C$ 305

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 7/4

5:21 p.m.-11:44 a.m.

1 stop17h 23m

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

12:30 p.m.-11:46 p.m.

1 stop12h 16m

C$ 468

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sun 22/3

8:06 p.m.-12:38 a.m.

2 stops27h 32m

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

4:35 p.m.-7:02 a.m.

1 stop15h 27m

C$ 666

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$ 350. 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$ 401.

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 Friday when prices can be found for as low as C$ 266. 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$ 679.

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

In the afternoon 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$ 293. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon 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$ 510. 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$ 537 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$ 305 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

Fastest flight time

2h 05m

Direct flights

Every day
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$ 302Free CancellationRating
7.1
10,697 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
Trois-Rivières
Montebello
Sherbrooke
Brossard
Longueuil
Cornwall
Dorval
Boucherville
North Hatley
Magog
Saint-Sauveur
Drummondville
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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