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Cheap flights from Illinois to Montreal from $55

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 2/10. 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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0 bags

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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 am - 1:45 pm
ORD
-
YUL
6h 40m1 stop
American Airlines Logo
3:50 pm - 5:50 pm
YUL
-
ORD
3h 00mnonstop
$198American Airlines
Sun, Feb 1 - Wed, Feb 4
United Airlines Logo
3:50 pm - 9:42 pm
ORD
-
YUL
4h 52m1 stop
United Airlines Logo
4:45 pm - 6:45 pm
YUL
-
ORD
3h 00mnonstop
$202United Airlines
Sat, Feb 14 - Sat, Feb 21
Air Canada Logo
1:00 pm - 7:48 pm
ORD
-
YUL
5h 48m1 stop
Air Canada Logo
3:00 pm - 8:13 pm
YUL
-
ORD
6h 13m1 stop
$205Air Canada
Sat, Feb 7 - Sun, Feb 8
Air Canada Logo
12:50 pm - 4:01 pm
ORD
-
YUL
2h 11mnonstop
Air Canada Logo
6:00 am - 8:05 am
YUL
-
ORD
3h 05mnonstop
$210Air Canada
Sat, Feb 7 - Sun, Feb 8
Porter Airlines Logo
11:05 am - 5:45 pm
MDW
-
YUL
5h 40m1 stop
Porter Airlines Logo
11:25 am - 3:20 pm
YUL
-
MDW
4h 55m1 stop
$224Porter Airlines
Fri, Feb 6 - Sun, Feb 8
Porter Airlines Logo
4:15 pm - 10:45 pm
MDW
-
YUL
5h 30m1 stop
Porter Airlines Logo
6:45 am - 10:05 am
YUL
-
MDW
4h 20m1 stop
$233Porter Airlines
Fri, Feb 13 - Mon, Feb 16
Delta Logo
1:31 pm - 11:12 pm
MDW
-
YUL
8h 41m1 stop
Delta Logo
6:00 am - 12:46 pm
YUL
-
MDW
7h 46m1 stop
$237Delta
Wed, Feb 4 - Mon, Feb 9
Delta Logo
4:30 pm - 11:50 pm
MDW
-
YUL
6h 20m1 stop
Delta Logo
7:00 am - 11:59 am
YUL
-
MDW
5h 59m1 stop
$248Delta
Sat, Feb 7 - Wed, Feb 11
Multiple Airlines Logo
12:12 pm - 12:30 am
STL
-
YUL
11h 18m1 stop
Multiple Airlines Logo
6:45 am - 11:33 pm
YUL
-
STL
17h 48m2 stops
$410Multiple Airlines
Sat, Feb 7 - Mon, Feb 9
Multiple Airlines Logo
8:22 pm - 3:10 pm
STL
-
YUL
17h 48m2 stops
Multiple Airlines Logo
4:35 pm - 11:33 pm
YUL
-
STL
7h 58m1 stop
$414Multiple Airlines
Fri, Jan 30 - Fri, Feb 6

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
Feb 1
ORD6:05 amChicago O'Hare Intl
6h 40m
1 stop
YUL1:45 pmMontreal Pierre Elliott Trudeau Intl
Feb 4
YUL3:50 pmMontreal Pierre Elliott Trudeau Intl
3h 00m
ORD5:50 pmChicago O'Hare Intl
$198
Find similar
American Airlines
Feb 14
ORD11:50 amChicago O'Hare Intl
2h 19m
YUL3:09 pmMontreal Pierre Elliott Trudeau Intl
Feb 21
YUL7:12 amMontreal Pierre Elliott Trudeau Intl
9h 54m
1 stop
ORD4:06 pmChicago O'Hare Intl
$203
Find similar
American Airlines
Feb 4
ORD6:05 amChicago O'Hare Intl
6h 40m
1 stop
YUL1:45 pmMontreal Pierre Elliott Trudeau Intl
Feb 11
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
12h 01m
1 stop
ORD6:01 pmChicago O'Hare Intl
$213
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
Feb 14
ORD3:50 pmChicago O'Hare Intl
4h 52m
1 stop
YUL9:42 pmMontreal Pierre Elliott Trudeau Intl
Feb 21
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
3h 00m
ORD6:45 pmChicago O'Hare Intl
$202
Find similar
United Airlines
Feb 7
ORD7:10 amChicago O'Hare Intl
5h 18m
1 stop
YUL1:28 pmMontreal Pierre Elliott Trudeau Intl
Feb 11
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
6h 05m
1 stop
ORD12:05 pmChicago O'Hare Intl
$207
Find similar
United Airlines
Feb 7
ORD8:52 amChicago O'Hare Intl
5h 24m
1 stop
YUL3:16 pmMontreal Pierre Elliott Trudeau Intl
Feb 8
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
3h 05m
ORD8:05 amChicago O'Hare Intl
$211
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 832,500 searches. Data last updated December 18, 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 2/1

6:05 am-1:45 pm

1 stop6h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

3:50 pm-5:50 pm

Nonstop3h 00m

$198

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/14

3:50 pm-9:42 pm

1 stop4h 52m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

4:45 pm-6:45 pm

Nonstop3h 00m

$202

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/7

1:00 pm-7:48 pm

1 stop5h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

3:00 pm-8:13 pm

1 stop6h 13m

$205

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/7

12:50 pm-4:01 pm

Nonstop2h 11m

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

6:00 am-8:05 am

Nonstop3h 05m

$210

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 2/6

11:05 am-5:45 pm

1 stop5h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

11:25 am-3:20 pm

1 stop4h 55m

$224

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 2/13

4:15 pm-10:45 pm

1 stop5h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 2/16

6:45 am-10:05 am

1 stop4h 20m

$233

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 2/4

1:31 pm-11:12 pm

1 stop8h 41m

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

6:00 am-12:46 pm

1 stop7h 46m

$237

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 2/7

4:30 pm-11:50 pm

1 stop6h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 2/11

7:00 am-11:59 am

1 stop5h 59m

$248

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 2/7

12:12 pm-12:30 am

1 stop11h 18m

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

6:45 am-11:33 pm

2 stops17h 48m

$410

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 1/30

8:22 pm-3:10 pm

2 stops17h 48m

Montreal Pierre Elliott Trudeau Intl

Fri 2/6

4:35 pm-11:33 pm

1 stop7h 58m

$414

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 another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Illinois averaging around $283.

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 $613. Flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will generally be more expensive and average around $830. 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 $597. 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 morning are often more expensive with an average ticket price of $772.

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 $385 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 $227 on momondo.

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

There are 4 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

$322

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 $322. The best round-trip flight deal from Illinois to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $553.
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 refresh daily.

  • 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?

    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?

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
United AirlinesPriceFrom $148Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
Air CanadaPriceFrom $163Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
Porter AirlinesPriceFrom $249Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights

Traveling to a place near Montreal?

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

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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