Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Montreal from $144

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 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:15 am - 2:30 pmORD  Chicago O'Hare Intl-YUL Montreal Pierre Elliott Trudeau Intl
2h 15mnonstop
Air Canada Logo
4:30 pm - 8:41 pmYUL  Montreal Pierre Elliott Trudeau Intl-ORD Chicago O'Hare Intl
5h 11m1 stop Toronto Island
$230Air Canada
Mon, Sep 28 - Mon, Sep 28
Air Canada Logo
11:05 am - 2:20 pmORD  Chicago O'Hare Intl-YUL Montreal Pierre Elliott Trudeau Intl
2h 15mnonstop
Air Canada Logo
4:30 pm - 8:41 pmYUL  Montreal Pierre Elliott Trudeau Intl-ORD Chicago O'Hare Intl
5h 11m1 stop Toronto Island
$241Air Canada
Tue, Sep 8 - Tue, Sep 8
Porter Airlines Logo
3:20 pm - 9:12 pmMDW  Chicago Midway-YUL Montreal Pierre Elliott Trudeau Intl
4h 52m1 stop Toronto Island
Porter Airlines Logo
6:30 am - 11:00 amYUL  Montreal Pierre Elliott Trudeau Intl-MDW Chicago Midway
5h 30m1 stop Toronto Island
$309Porter Airlines
Tue, Sep 22 - Tue, Sep 29
Porter Airlines Logo
5:37 pm - 11:27 pmMDW  Chicago Midway-YUL Montreal Pierre Elliott Trudeau Intl
4h 50m1 stop Detroit Metropolitan Wayne County
Porter Airlines Logo
6:30 am - 11:00 amYUL  Montreal Pierre Elliott Trudeau Intl-MDW Chicago Midway
5h 30m1 stop Toronto Island
$312Porter Airlines
Sat, Sep 12 - Mon, Sep 14
Delta Logo
3:40 pm - 11:50 pmORD  Chicago O'Hare Intl-YUL Montreal Pierre Elliott Trudeau Intl
7h 10m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 12:41 pmYUL  Montreal Pierre Elliott Trudeau Intl-ORD Chicago O'Hare Intl
6h 41m1 stop Atlanta Hartsfield-Jackson
$335Delta
Sat, Sep 26 - Tue, Sep 29
Delta Logo
1:55 pm - 11:27 pmORD  Chicago O'Hare Intl-YUL Montreal Pierre Elliott Trudeau Intl
8h 32m1 stop Detroit Metropolitan Wayne County
Delta Logo
12:44 pm - 8:56 pmYUL  Montreal Pierre Elliott Trudeau Intl-ORD Chicago O'Hare Intl
9h 12m1 stop Atlanta Hartsfield-Jackson
$335Delta
Wed, Sep 23 - Wed, Sep 30
United Airlines Logo
6:00 am - 1:10 pmORD  Chicago O'Hare Intl-YUL Montreal Pierre Elliott Trudeau Intl
6h 10m1 stop Newark
United Airlines Logo
4:45 pm - 6:27 pmYUL  Montreal Pierre Elliott Trudeau Intl-ORD Chicago O'Hare Intl
2h 42mnonstop
$348United Airlines
Sat, Jan 9 - Sat, Jan 9
United Airlines Logo
5:00 am - 1:09 pmORD  Chicago O'Hare Intl-YUL Montreal Pierre Elliott Trudeau Intl
7h 09m1 stop Newark
United Airlines Logo
4:55 pm - 6:43 pmYUL  Montreal Pierre Elliott Trudeau Intl-ORD Chicago O'Hare Intl
2h 48mnonstop
$348United Airlines
Sat, Aug 22 - Sat, Aug 22
Multiple Airlines Logo
7:25 am - 1:46 pmORD  Chicago O'Hare Intl-YUL Montreal Pierre Elliott Trudeau Intl
5h 21m1 stop Toronto Island
Multiple Airlines Logo
1:40 pm - 5:30 pmYUL  Montreal Pierre Elliott Trudeau Intl-ORD Chicago O'Hare Intl
4h 50m1 stop Toronto Island
$348Multiple Airlines
Fri, Dec 11 - Tue, Dec 15
Multiple Airlines Logo
3:45 pm - 6:57 pmORD  Chicago O'Hare Intl-YUL Montreal Pierre Elliott Trudeau Intl
2h 12mnonstop
Multiple Airlines Logo
1:40 pm - 5:30 pmYUL  Montreal Pierre Elliott Trudeau Intl-ORD Chicago O'Hare Intl
4h 50m1 stop Toronto Island
$351Multiple Airlines
Fri, Dec 11 - Tue, Dec 15

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
Sep 28
ORD11:15 amChicago O'Hare Intl
2h 15m
YUL2:30 pmMontreal Pierre Elliott Trudeau Intl
Sep 28
YUL4:30 pmMontreal Pierre Elliott Trudeau Intl
5h 11m
1 stop
ORD8:41 pmChicago O'Hare Intl
$230
Air Canada
Sep 8
ORD11:05 amChicago O'Hare Intl
2h 15m
YUL2:20 pmMontreal Pierre Elliott Trudeau Intl
Sep 8
YUL4:30 pmMontreal Pierre Elliott Trudeau Intl
5h 11m
1 stop
ORD8:41 pmChicago O'Hare Intl
$241
Air Canada
Sep 20
ORD3:45 pmChicago O'Hare Intl
5h 05m
1 stop
YUL9:50 pmMontreal Pierre Elliott Trudeau Intl
Sep 21
YUL8:40 amMontreal Pierre Elliott Trudeau Intl
2h 35m
ORD10:15 amChicago O'Hare Intl
$252

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
Sep 22
MDW3:20 pmChicago Midway
4h 52m
1 stop
YUL9:12 pmMontreal Pierre Elliott Trudeau Intl
Sep 29
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
5h 30m
1 stop
MDW11:00 amChicago Midway
$309
Porter Airlines
Sep 12
MDW5:37 pmChicago Midway
4h 50m
1 stop
YUL11:27 pmMontreal Pierre Elliott Trudeau Intl
Sep 14
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
5h 30m
1 stop
MDW11:00 amChicago Midway
$312
Porter Airlines
Sep 24
MDW3:20 pmChicago Midway
4h 52m
1 stop
YUL9:12 pmMontreal Pierre Elliott Trudeau Intl
Oct 1
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
5h 30m
1 stop
MDW11:00 amChicago Midway
$313

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 August 13, 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

Cheapest round-trip

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Mon 9/28

11:15 am-2:30 pm

Nonstop2h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 9/28

4:30 pm-8:41 pm

1 stop5h 11m

$230

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Tue 9/8

11:05 am-2:20 pm

Nonstop2h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 9/8

4:30 pm-8:41 pm

1 stop5h 11m

$241

ChicagoMontreal

MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl

MDWYUL

Chicago Midway

Tue 9/22

3:20 pm-9:12 pm

1 stop4h 52m

Montreal Pierre Elliott Trudeau Intl

Tue 9/29

6:30 am-11:00 am

1 stop5h 30m

$309

ChicagoMontreal

MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl

MDWYUL

Chicago Midway

Sat 9/12

5:37 pm-11:27 pm

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 9/14

6:30 am-11:00 am

1 stop5h 30m

$312

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Sat 9/26

3:40 pm-11:50 pm

1 stop7h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 9/29

7:00 am-12:41 pm

1 stop6h 41m

$335

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Wed 9/23

1:55 pm-11:27 pm

1 stop8h 32m

Montreal Pierre Elliott Trudeau Intl

Wed 9/30

12:44 pm-8:56 pm

1 stop9h 12m

$335

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Sat 1/9

6:00 am-1:10 pm

1 stop6h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 1/9

4:45 pm-6:27 pm

Nonstop2h 42m

$348

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Sat 8/22

5:00 am-1:09 pm

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 8/22

4:55 pm-6:43 pm

Nonstop2h 48m

$348

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Fri 12/11

7:25 am-1:46 pm

1 stop5h 21m

Montreal Pierre Elliott Trudeau Intl

Tue 12/15

1:40 pm-5:30 pm

1 stop4h 50m

$348
Quickest round-trip

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Fri 12/11

3:45 pm-6:57 pm

Nonstop2h 12m

Montreal Pierre Elliott Trudeau Intl

Tue 12/15

1:40 pm-5:30 pm

1 stop4h 50m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Illinois averaging around $291.

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 $569. Flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will generally be more expensive and average around $832. 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?

In the morning 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 $629. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the morning 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 $760.

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 $387 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 $172 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.

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

You could potentially save up to 8% 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

$216

Fastest flight time

2h 11m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Illinois in the past 72 hours is $216. The best round-trip flight deal from Illinois to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $388.
The fastest flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport takes 2h 11m
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?

  • 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
DeltaPriceFrom $111Free CancellationRating
7.8
8,504 reviews
Search Delta flights
Air CanadaPriceFrom $149Free CancellationRating
7.1
11,466 reviews
Search Air Canada flights
United AirlinesPriceFrom $159Free CancellationRating
7.4
10,112 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $160Free CancellationRating
8.0
456 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $336Free CancellationRating
7.1
11,919 reviews
Search American Airlines flights

Traveling to a place near Montreal?

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

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/12
Sat 9/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Montreal

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo
Flights to Toronto Pearson Intl Airportfrom $153
Flights to Toronto Island Airportfrom $176
Flights to Vancouver Intl Airport
Flights to Toronto Region of Waterloo Intl Airportfrom $361