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Cheap flights from Illinois to Montreal from C$ 103

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 28/10. 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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Cheap round-trip flights

American Airlines Logo
10:29 a.m. - 10:39 p.m.ORD-YUL
11h 10m1 stop
American Airlines Logo
3:52 p.m. - 5:52 p.m.YUL-ORD
3h 00mdirect
C$ 273American Airlines
Find Deal
Tue, 4 Nov - Fri, 7 Nov
Air Canada Logo
8:40 a.m. - 11:57 a.m.ORD-YUL
2h 17mdirect
Air Canada Logo
8:20 a.m. - 9:51 a.m.YUL-ORD
2h 31mdirect
C$ 280Air Canada
Find Deal
Sat, 18 Oct - Wed, 22 Oct
American Airlines Logo
7:10 a.m. - 1:34 p.m.ORD-YUL
5h 24m1 stop
American Airlines Logo
3:52 p.m. - 5:52 p.m.YUL-ORD
3h 00mdirect
C$ 282American Airlines
Find Deal
Wed, 29 Oct - Sun, 2 Nov
Air Canada Logo
10:40 a.m. - 1:54 p.m.ORD-YUL
2h 14mdirect
Air Canada Logo
7:00 a.m. - 1:14 p.m.YUL-ORD
7h 14m1 stop
C$ 285Air Canada
Find Deal
Sat, 4 Oct - Sun, 5 Oct
Air Canada Logo
10:40 a.m. - 1:54 p.m.ORD-YUL
2h 14mdirect
Air Canada Logo
10:15 a.m. - 3:04 p.m.YUL-ORD
5h 49m1 stop
C$ 289Air Canada
Find Deal
Sat, 18 Oct - Sat, 25 Oct
American Airlines Logo
9:12 p.m. - 3:24 p.m.ORD-YUL
17h 12m1 stop
American Airlines Logo
3:52 p.m. - 5:52 p.m.YUL-ORD
3h 00mdirect
C$ 291American Airlines
Find Deal
Wed, 29 Oct - Sun, 2 Nov
Delta Logo
3:00 p.m. - 11:21 p.m.MDW-YUL
7h 21m1 stop
Delta Logo
12:36 p.m. - 10:14 p.m.YUL-MDW
10h 38m1 stop
C$ 325Delta
Find Deal
Sat, 1 Nov - Wed, 5 Nov
Delta Logo
1:25 p.m. - 11:14 p.m.ORD-YUL
8h 49m1 stop
Delta Logo
6:00 a.m. - 12:40 p.m.YUL-ORD
7h 40m1 stop
C$ 325Delta
Find Deal
Sat, 1 Nov - Thu, 6 Nov
Porter Airlines Logo
5:20 p.m. - 10:15 p.m.MDW-YUL
3h 55m1 stop
Porter Airlines Logo
1:10 p.m. - 4:24 p.m.YUL-MDW
4h 14m1 stop
C$ 328Porter Airlines
Find Deal
Wed, 24 Sep - Fri, 26 Sep
Porter Airlines Logo
5:20 p.m. - 10:15 p.m.MDW-YUL
3h 55m1 stop
Porter Airlines Logo
10:45 a.m. - 4:24 p.m.YUL-MDW
6h 39m1 stop
C$ 329Porter Airlines
Find Deal
Fri, 26 Sep - Mon, 29 Sep

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
4 Nov
ORD10:29 a.m.Chicago O'Hare Intl
11h 10m
1 stop
YUL10:39 p.m.Montreal Pierre Elliott Trudeau Intl
7 Nov
YUL3:52 p.m.Montreal Pierre Elliott Trudeau Intl
3h 00m
ORD5:52 p.m.Chicago O'Hare Intl
C$ 273
Find similar
American Airlines
29 Oct
ORD7:10 a.m.Chicago O'Hare Intl
5h 24m
1 stop
YUL1:34 p.m.Montreal Pierre Elliott Trudeau Intl
2 Nov
YUL3:52 p.m.Montreal Pierre Elliott Trudeau Intl
3h 00m
ORD5:52 p.m.Chicago O'Hare Intl
C$ 282
Find similar
American Airlines
29 Oct
ORD9:12 p.m.Chicago O'Hare Intl
17h 12m
1 stop
YUL3:24 p.m.Montreal Pierre Elliott Trudeau Intl
2 Nov
YUL3:52 p.m.Montreal Pierre Elliott Trudeau Intl
3h 00m
ORD5:52 p.m.Chicago O'Hare Intl
C$ 291
Find similar

Delta flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

Our best Delta deals on Illinois to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta
1 Nov
MDW3:00 p.m.Chicago Midway
7h 21m
1 stop
YUL11:21 p.m.Montreal Pierre Elliott Trudeau Intl
5 Nov
YUL12:36 p.m.Montreal Pierre Elliott Trudeau Intl
10h 38m
1 stop
MDW10:14 p.m.Chicago Midway
C$ 325
Find similar
Delta
20 Nov
MDW6:00 a.m.Chicago Midway
10h 21m
1 stop
YUL5:21 p.m.Montreal Pierre Elliott Trudeau Intl
27 Nov
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
10h 39m
1 stop
MDW4:39 p.m.Chicago Midway
C$ 326
Find similar
Delta
4 Oct
MDW4:25 p.m.Chicago Midway
6h 31m
1 stop
YUL11:56 p.m.Montreal Pierre Elliott Trudeau Intl
5 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
7h 28m
1 stop
MDW12:28 p.m.Chicago Midway
C$ 364
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 3 September 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

Tue 4/11

10:29 a.m.-10:39 p.m.

1 stop11h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

3:52 p.m.-5:52 p.m.

Nonstop3h 00m

C$ 273

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 18/10

8:40 a.m.-11:57 a.m.

Nonstop2h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

8:20 a.m.-9:51 a.m.

Nonstop2h 31m

C$ 280

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 29/10

7:10 a.m.-1:34 p.m.

1 stop5h 24m

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

3:52 p.m.-5:52 p.m.

Nonstop3h 00m

C$ 282

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 4/10

10:40 a.m.-1:54 p.m.

Nonstop2h 14m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

7:00 a.m.-1:14 p.m.

1 stop7h 14m

C$ 285

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 18/10

10:40 a.m.-1:54 p.m.

Nonstop2h 14m

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

10:15 a.m.-3:04 p.m.

1 stop5h 49m

C$ 289

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 29/10

9:12 p.m.-3:24 p.m.

1 stop17h 12m

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

3:52 p.m.-5:52 p.m.

Nonstop3h 00m

C$ 291

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 1/11

3:00 p.m.-11:21 p.m.

1 stop7h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

12:36 p.m.-10:14 p.m.

1 stop10h 38m

C$ 325

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 1/11

1:25 p.m.-11:14 p.m.

1 stop8h 49m

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

6:00 a.m.-12:40 p.m.

1 stop7h 40m

C$ 325

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 24/9

5:20 p.m.-10:15 p.m.

1 stop3h 55m

Montreal Pierre Elliott Trudeau Intl

Fri 26/9

1:10 p.m.-4:24 p.m.

1 stop4h 14m

C$ 328

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 26/9

5:20 p.m.-10:15 p.m.

1 stop3h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

10:45 a.m.-4:24 p.m.

1 stop6h 39m

C$ 329

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 September is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Illinois, with most prices found around C$ 337. The month of October is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Illinois averaging around C$ 466.

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 Wednesday when prices can be found for as low as C$ 295. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday 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$ 1,015.

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$ 336. 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 afternoon because they tend to be around C$ 711. 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$ 562 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$ 348 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?

You could potentially save up to 11% on your flight if you consider stops on a Illinois to Montreal Pierre Elliott Trudeau Intl Airport flight.

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$ 121

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$ 121. 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$ 222.
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
10,000 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
Sherbrooke
Montebello
Brossard
Cornwall
Drummondville
Longueuil
Magog
Dorval
Bromont
Saint-Sauveur
North Hatley
Saint-Jean-sur-Richelieu
Boucherville
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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