What is the cheapest airline that flies from Illinois to Montreal Pierre Elliott Trudeau Intl?

Delta, Porter Airlines, and United Airlines are the most popular carriers operating from Illinois to Montreal Pierre Elliott Trudeau Intl

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Illinois according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 5 different airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Montreal Pierre Elliott Trudeau Intl Airport?

Flight times from Illinois to Montreal Pierre Elliott Trudeau Intl Airport vary, but if you’re flying out of Chicago and flying into Montreal Pierre Elliott Trudeau Intl Airport (one of the most popular routes), then the duration is 2h 52m on average. Another popular route from Illinois to Montreal Pierre Elliott Trudeau Intl Airport is flying from Peoria to Montreal Pierre Elliott Trudeau Intl Airport, which will take roughly 26h 04m. Keep in mind that layovers or delays could extend your travel time.

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

As of June 2026, there are 5 operators available to choose from 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?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Montreal Pierre Elliott Trudeau Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$147 Cheap Flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in 2026

Q: How many flights depart from Illinois to Montreal Pierre Elliott Trudeau Intl Airport on average per day?

31 flights are operational daily from Illinois to Montreal Pierre Elliott Trudeau Intl Airport as of June 2026. The most popular departure time for this route is 6:00PM, with 40% of flights per day taking off in the afternoon.

Q: How many flights depart from Illinois to Montreal Pierre Elliott Trudeau Intl Airport on average per week?

As of June 2026, there are 222 flights per week flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Montreal

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:50 am - 4:22 pm

ORD

YUL

5h 32m

1 stop

6:30 pm - 8:05 pm

YUL

ORD

2h 35mnonstop

$249Air Canada

Wed, Jul 8 - Wed, Jul 8

3:20 pm - 8:10 pm

ORD

YUL

3h 50m

1 stop

10:35 am - 2:35 pm

YUL

ORD

5h 00m

1 stop

$266Porter Airlines

Thu, Oct 1 - Tue, Oct 6

11:45 am - 6:10 pm

ORD

YUL

5h 25m

1 stop

10:35 am - 2:35 pm

YUL

ORD

5h 00m

1 stop

$267Porter Airlines

Sat, Oct 10 - Sat, Oct 17

7:25 am - 1:47 pm

ORD

YUL

5h 22m

1 stop

6:30 pm - 8:05 pm

YUL

ORD

2h 35mnonstop

$270Air Canada

Thu, Jul 23 - Thu, Jul 23

6:40 am - 4:19 pm

STL

YUL

8h 39m

1 stop

8:00 pm - 9:00 am

YUL

STL

14h 00m

2 stops

$475WestJet

Mon, Sep 28 - Mon, Sep 28

7:21 am - 4:53 pm

STL

YUL

8h 32m

1 stop

12:31 pm - 12:27 am

YUL

STL

12h 56m

1 stop

$527American Airlines

Wed, Sep 16 - Wed, Sep 23

6:00 am - 4:50 pm

STL

YUL

9h 50m

1 stop

5:34 pm - 8:24 am

YUL

STL

15h 50m

1 stop

$557American Airlines

Tue, Aug 18 - Fri, Aug 21

6:00 am - 9:01 pm

BMI

YUL

14h 01m

1 stop

11:00 am - 10:40 pm

YUL

BMI

12h 40m

2 stops

$672United Airlines

Fri, Dec 11 - Tue, Dec 15

8:45 pm - 1:10 pm

BMI

YUL

15h 25m

2 stops

11:00 am - 10:40 pm

YUL

BMI

12h 40m

2 stops

$677United Airlines

Fri, Dec 11 - Tue, Dec 15

4:24 pm - 12:25 am

BMI

YUL

31h 01m

2 stops

6:51 pm - 11:27 am

YUL

BMI

17h 36m

1 stop

$742WestJet

Wed, Aug 5 - Wed, Aug 12

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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

Jul 8

ORD9:50 amChicago O'Hare Intl

5h 32m

1 stop

YUL4:22 pmMontreal Pierre Elliott Trudeau Intl

Jul 8

YUL6:30 pmMontreal Pierre Elliott Trudeau Intl

2h 35m

ORD8:05 pmChicago O'Hare Intl

$249

Air Canada

Jul 23

ORD7:25 amChicago O'Hare Intl

5h 22m

1 stop

YUL1:47 pmMontreal Pierre Elliott Trudeau Intl

Jul 23

YUL6:30 pmMontreal Pierre Elliott Trudeau Intl

2h 35m

ORD8:05 pmChicago O'Hare Intl

$270

Air Canada

Jul 7

ORD5:35 pmChicago O'Hare Intl

5h 57m

1 stop

YUL12:32 amMontreal Pierre Elliott Trudeau Intl

Jul 8

YUL8:40 amMontreal Pierre Elliott Trudeau Intl

2h 36m

ORD10:16 amChicago O'Hare Intl

$278

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

Oct 1

ORD3:20 pmChicago O'Hare Intl

3h 50m

1 stop

YUL8:10 pmMontreal Pierre Elliott Trudeau Intl

Oct 6

YUL10:35 amMontreal Pierre Elliott Trudeau Intl

5h 00m

1 stop

ORD2:35 pmChicago O'Hare Intl

$266

Porter Airlines

Oct 10

ORD11:45 amChicago O'Hare Intl

5h 25m

1 stop

YUL6:10 pmMontreal Pierre Elliott Trudeau Intl

Oct 17

YUL10:35 amMontreal Pierre Elliott Trudeau Intl

5h 00m

1 stop

ORD2:35 pmChicago O'Hare Intl

$267

Porter Airlines

Sep 24

ORD3:20 pmChicago O'Hare Intl

5h 50m

1 stop

YUL10:10 pmMontreal Pierre Elliott Trudeau Intl

Sep 27

YUL10:35 amMontreal Pierre Elliott Trudeau Intl

5h 00m

1 stop

ORD2:35 pmChicago O'Hare Intl

$268

momondo Fare Finder

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

Cheapest round-trip

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 7/8

9:50 am-4:22 pm

1 stop5h 32m

Montreal Pierre Elliott Trudeau Intl

Wed 7/8

6:30 pm-8:05 pm

Nonstop2h 35m

$249

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 10/1

3:20 pm-8:10 pm

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 10/6

10:35 am-2:35 pm

1 stop5h 00m

$266

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 10/10

11:45 am-6:10 pm

1 stop5h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 10/17

10:35 am-2:35 pm

1 stop5h 00m

$267

Quickest round-trip

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 7/23

7:25 am-1:47 pm

1 stop5h 22m

Montreal Pierre Elliott Trudeau Intl

Thu 7/23

6:30 pm-8:05 pm

Nonstop2h 35m

$270

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 9/28

6:40 am-4:19 pm

1 stop8h 39m

Montreal Pierre Elliott Trudeau Intl

Mon 9/28

8:00 pm-9:00 am

2 stops14h 00m

$475

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 9/16

7:21 am-4:53 pm

1 stop8h 32m

Montreal Pierre Elliott Trudeau Intl

Wed 9/23

12:31 pm-12:27 am

1 stop12h 56m

$527

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 8/18

6:00 am-4:50 pm

1 stop9h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 8/21

5:34 pm-8:24 am

1 stop15h 50m

$557

BloomingtonMontreal

BMI - YUL

BMIYUL

Bloomington-Normal

Fri 12/11

6:00 am-9:01 pm

1 stop14h 01m

Montreal Pierre Elliott Trudeau Intl

Tue 12/15

11:00 am-10:40 pm

2 stops12h 40m

$672

BloomingtonMontreal

BMI - YUL

BMIYUL

Bloomington-Normal

Fri 12/11

8:45 pm-1:10 pm

2 stops15h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 12/15

11:00 am-10:40 pm

2 stops12h 40m

$677

BloomingtonMontreal

BMI - YUL

BMIYUL

Bloomington-Normal

Wed 8/5

4:24 pm-12:25 am

2 stops31h 01m

Montreal Pierre Elliott Trudeau Intl

Wed 8/12

6:51 pm-11:27 am

1 stop17h 36m

$742

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

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Other information

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

The month of April is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Illinois averaging around $80.

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

The cheapest day to depart from Illinois to Montreal Pierre Elliott Trudeau Intl Airport is on a Thursday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will often find tickets for as low as $574. Flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will generally be more expensive and average around $818. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 $602. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $757.

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 from Illinois 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 $384 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 $189 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Montreal Pierre Elliott Trudeau Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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	$177
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 $177. The best round-trip flight deal from Illinois to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $401.

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

Frequently asked questions about flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

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 refresh daily.
How many operators does momondo search for flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?
As of June 2026, there are 5 operators available to choose from 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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Montreal Pierre Elliott Trudeau Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Montreal Pierre Elliott Trudeau Intl Airport is Embraer 175, representing 17.78% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 16.63%, Embraer 170 at 8.26%, and Boeing 787-10 Dreamliner at 8.06%.

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
Delta	PriceFrom $111	Free Cancellation	Rating 7.8 8,440 reviews	Search Delta flights
Air Canada	PriceFrom $155	Free Cancellation	Rating 7.1 11,257 reviews	Search Air Canada flights
United Airlines	PriceFrom $159	Free Cancellation	Rating 7.4 9,889 reviews	Search United Airlines flights
Porter Airlines	PriceFrom $160	Free Cancellation	Rating 8.0 439 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $192	Free Cancellation	Rating 7.1 11,757 reviews	Search American Airlines flights

Laval

Dorval

Brossard

Longueuil

Trois-Rivières

Cornwall

Saint-Sauveur

Sherbrooke

Boucherville

Magog

Drummondville

Montebello

Saint-Jean-sur-Richelieu

Bromont

North Hatley

Why use momondo?

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

It is quick and easy to find Illinois to Montreal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Montreal that suits you.

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

Flights from Illinois to Montreal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Illinois to Montreal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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Cheap flights from Illinois to Montreal from $147

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 7/30. 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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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

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

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Use the filters below to find and compare flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

See travel insights to Montreal from

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

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

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

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

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

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

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

What is the cheapest airline that flies from Illinois to Montreal Pierre Elliott Trudeau Intl?

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

How many flights depart from Illinois to Montreal Pierre Elliott Trudeau Intl Airport on average per day?

How many flights depart from Illinois to Montreal Pierre Elliott Trudeau Intl Airport on average per week?

How long does it take to fly 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

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Frequently asked questions about flying 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

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An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport trip

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