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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois from $142

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Illinois departing on 2/3. 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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0 bags

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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
6:45 am - 10:05 am
YUL
-
MDW
4h 20m1 stop
Porter Airlines Logo
4:15 pm - 10:45 pm
MDW
-
YUL
5h 30m1 stop
$191Porter Airlines
Sun, Feb 15 - Sun, Feb 15
American Airlines Logo
7:30 am - 8:15 pm
YUL
-
ORD
13h 45m1 stop
American Airlines Logo
7:56 pm - 1:45 pm
ORD
-
YUL
16h 49m1 stop
$192American Airlines
Mon, Feb 2 - Sat, Feb 7
Porter Airlines Logo
6:45 am - 10:05 am
YUL
-
MDW
4h 20m1 stop
Porter Airlines Logo
11:00 am - 4:30 pm
MDW
-
YUL
4h 30m1 stop
$196Porter Airlines
Thu, Feb 19 - Mon, Feb 23
American Airlines Logo
3:55 pm - 5:55 pm
YUL
-
ORD
3h 00mnonstop
American Airlines Logo
11:46 am - 3:05 pm
ORD
-
YUL
2h 19mnonstop
$196American Airlines
Sat, Feb 14 - Mon, Feb 16
American Airlines Logo
3:55 pm - 5:55 pm
YUL
-
ORD
3h 00mnonstop
American Airlines Logo
10:28 am - 10:44 pm
ORD
-
YUL
11h 16m1 stop
$201American Airlines
Fri, Feb 13 - Mon, Feb 16
KLM Logo
6:00 am - 9:41 am
YUL
-
ORD
4h 41m1 stop
KLM Logo
6:15 am - 1:42 pm
ORD
-
YUL
6h 27m1 stop
$210KLM
Thu, Feb 5 - Sun, Feb 8
Air Canada Logo
6:00 am - 9:41 am
YUL
-
ORD
4h 41m1 stop
Air Canada Logo
12:50 pm - 4:01 pm
ORD
-
YUL
2h 11mnonstop
$213Air Canada
Thu, Feb 5 - Sun, Feb 8
Delta Logo
2:40 pm - 9:30 pm
YUL
-
ORD
7h 50m1 stop
Delta Logo
6:15 am - 1:40 pm
ORD
-
YUL
6h 25m1 stop
$215Delta
Sat, Feb 14 - Tue, Feb 17
Delta Logo
7:00 am - 3:21 pm
YUL
-
MDW
9h 21m1 stop
Delta Logo
6:20 pm - 11:26 pm
MDW
-
YUL
4h 06m1 stop
$215Delta
Sat, Feb 14 - Mon, Feb 16
Air Canada Logo
6:25 pm - 8:10 pm
YUL
-
ORD
2h 45mnonstop
Air Canada Logo
7:15 am - 10:20 am
ORD
-
YUL
2h 05mnonstop
$226Air Canada
Wed, Jan 28 - Mon, Feb 2

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

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Illinois flight tickets
American Airlines
Feb 2
YUL12:59 pmMontreal Pierre Elliott Trudeau Intl
8h 16m
1 stop
ORD8:15 pmChicago O'Hare Intl
Feb 7
ORD8:18 amChicago O'Hare Intl
6h 02m
1 stop
YUL3:20 pmMontreal Pierre Elliott Trudeau Intl
$189
Find similar
American Airlines
Feb 2
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
13h 45m
1 stop
ORD8:15 pmChicago O'Hare Intl
Feb 7
ORD7:56 pmChicago O'Hare Intl
16h 49m
1 stop
YUL1:45 pmMontreal Pierre Elliott Trudeau Intl
$192
Find similar
American Airlines
Feb 5
YUL3:50 pmMontreal Pierre Elliott Trudeau Intl
3h 00m
ORD5:50 pmChicago O'Hare Intl
Feb 8
ORD11:50 amChicago O'Hare Intl
2h 18m
YUL3:08 pmMontreal Pierre Elliott Trudeau Intl
$194
Find similar

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

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to Illinois flight tickets
Air Canada
Feb 5
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
4h 41m
1 stop
ORD9:41 amChicago O'Hare Intl
Feb 8
ORD12:50 pmChicago O'Hare Intl
2h 11m
YUL4:01 pmMontreal Pierre Elliott Trudeau Intl
$213
Find similar
Air Canada
Feb 7
YUL1:02 pmMontreal Pierre Elliott Trudeau Intl
4h 36m
1 stop
ORD4:38 pmChicago O'Hare Intl
Feb 8
ORD7:15 amChicago O'Hare Intl
2h 05m
YUL10:20 amMontreal Pierre Elliott Trudeau Intl
$214
Find similar
Air Canada
Feb 12
YUL2:40 pmMontreal Pierre Elliott Trudeau Intl
8h 01m
1 stop
ORD9:41 pmChicago O'Hare Intl
Feb 16
ORD12:50 pmChicago O'Hare Intl
2h 11m
YUL4:01 pmMontreal Pierre Elliott Trudeau Intl
$220
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois 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 21, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

6:45 am-10:05 am

1 stop4h 20m

Chicago Midway

Sun 2/15

4:15 pm-10:45 pm

1 stop5h 30m

$191

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

7:30 am-8:15 pm

1 stop13h 45m

Chicago O'Hare Intl

Sat 2/7

7:56 pm-1:45 pm

1 stop16h 49m

$192

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

6:45 am-10:05 am

1 stop4h 20m

Chicago Midway

Mon 2/23

11:00 am-4:30 pm

1 stop4h 30m

$196

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

3:55 pm-5:55 pm

Nonstop3h 00m

Chicago O'Hare Intl

Mon 2/16

11:46 am-3:05 pm

Nonstop2h 19m

$196

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 2/13

3:55 pm-5:55 pm

Nonstop3h 00m

Chicago O'Hare Intl

Mon 2/16

10:28 am-10:44 pm

1 stop11h 16m

$201

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

6:00 am-9:41 am

1 stop4h 41m

Chicago O'Hare Intl

Sun 2/8

6:15 am-1:42 pm

1 stop6h 27m

$210

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

6:00 am-9:41 am

1 stop4h 41m

Chicago O'Hare Intl

Sun 2/8

12:50 pm-4:01 pm

Nonstop2h 11m

$213

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

2:40 pm-9:30 pm

1 stop7h 50m

Chicago O'Hare Intl

Tue 2/17

6:15 am-1:40 pm

1 stop6h 25m

$215

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

7:00 am-3:21 pm

1 stop9h 21m

Chicago Midway

Mon 2/16

6:20 pm-11:26 pm

1 stop4h 06m

$215

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 1/28

6:25 pm-8:10 pm

Nonstop2h 45m

Chicago O'Hare Intl

Mon 2/2

7:15 am-10:20 am

Nonstop2h 05m

$226

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 Illinois from

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

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 Illinois?

The cheapest month to fly to Illinois from Montreal Pierre Elliott Trudeau Intl Airport is in September. Flight prices, which tend to average around $277, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $283.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to Illinois is on a Friday when prices can be found for as low as $434. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois on a Monday will generally be more expensive and average around $661. 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 Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois during this time can be as low as $475. Flights in the morning are often more expensive with an average ticket price of $526.

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

Fly from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl for the best Montreal Pierre Elliott Trudeau Intl - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $353 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Montreal Pierre Elliott Trudeau Intl Airport for as low as $231 on momondo.

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

There are 4 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Illinois 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 Montreal Pierre Elliott Trudeau Intl Airport to Illinois flights?

No. A direct flight is the cheapest option for a flight between Montreal Pierre Elliott Trudeau Intl Airport to Illinois.

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Illinois

Best Price Found

$231

Fastest flight time

2h 35m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is $231. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Illinois found on momondo in the last 72 hours is $408.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Illinois takes 2h 35m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to Illinois every day.
There are 98 airports in Illinois. From Montreal Pierre Elliott Trudeau Intl Airport there are direct flights to Chicago O'Hare Intl (ORD), Lambert-St Louis (STL).
Search flight deals

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois are refreshed on a daily basis.

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

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Illinois?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to Illinois?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Illinois

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $156Free CancellationRating
7.1
10,550 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $217Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $251Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $267Free CancellationRating
7.4
9,099 reviews
Search United Airlines flights

Why use momondo?

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

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 Montreal to Illinois for you.

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

Yes. momondo enables you to select and highlight flights to Illinois from Montreal with this policy.

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

momondo provides multiple filters to help you find the best flight to Illinois from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Montreal to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Illinois 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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