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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago from $112

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 Chicago departing on 5/29. 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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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:15 am - 9:53 am
YUL
-
ORD
2h 38mnonstop
Air Canada Logo
8:45 am - 12:00 pm
ORD
-
YUL
2h 15mnonstop
$192Air Canada
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
7:30 am - 6:04 pm
YUL
-
ORD
11h 34m
1 stop
American Airlines Logo
8:23 am - 10:56 pm
ORD
-
YUL
13h 33m
1 stop
$200American Airlines
Sun, Feb 15 - Sun, Feb 22
Lufthansa Logo
7:00 am - 1:15 pm
YUL
-
ORD
7h 15m
1 stop
Lufthansa Logo
10:35 am - 2:00 pm
ORD
-
YUL
2h 25mnonstop
$205Lufthansa
Thu, Feb 19 - Sun, Feb 22
Air Canada Logo
1:20 pm - 2:55 pm
YUL
-
ORD
2h 35mnonstop
Air Canada Logo
12:50 pm - 4:05 pm
ORD
-
YUL
2h 15mnonstop
$206Air Canada
Mon, Mar 30 - Tue, Mar 31
Air Canada Logo
1:15 pm - 2:53 pm
YUL
-
ORD
2h 38mnonstop
Air Canada Logo
8:45 am - 12:00 pm
ORD
-
YUL
2h 15mnonstop
$207Air Canada
Tue, Jun 2 - Fri, Jun 5
American Airlines Logo
3:45 pm - 5:44 pm
YUL
-
ORD
2h 59mnonstop
American Airlines Logo
8:23 am - 3:22 pm
ORD
-
YUL
5h 59m
1 stop
$210American Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
9:15 am - 2:20 pm
YUL
-
ORD
6h 05m
1 stop
United Airlines Logo
10:35 am - 2:00 pm
ORD
-
YUL
2h 25mnonstop
$211United Airlines
Sun, Feb 15 - Sun, Feb 22
United Airlines Logo
9:15 am - 2:20 pm
YUL
-
ORD
6h 05m
1 stop
United Airlines Logo
2:30 pm - 9:42 pm
ORD
-
YUL
6h 12m
1 stop
$212United Airlines
Wed, Feb 18 - Mon, Feb 23
Delta Logo
12:42 pm - 9:10 pm
YUL
-
ORD
9h 28m
1 stop
Delta Logo
2:05 pm - 11:13 pm
ORD
-
YUL
8h 08m
1 stop
$217Delta
Tue, Mar 31 - Sat, Apr 4
Delta Logo
3:00 pm - 7:43 pm
YUL
-
ORD
5h 43m
1 stop
Delta Logo
1:35 pm - 11:10 pm
ORD
-
YUL
8h 35m
1 stop
$218Delta
Tue, Jun 2 - Sat, Jun 6

Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flight tickets
Air Canada
Jun 12
YUL8:15 amMontreal Pierre Elliott Trudeau Intl
2h 38m
ORD9:53 amChicago O'Hare Intl
Jun 14
ORD8:45 amChicago O'Hare Intl
2h 15m
YUL12:00 pmMontreal Pierre Elliott Trudeau Intl
$192
Air Canada
Mar 30
YUL1:20 pmMontreal Pierre Elliott Trudeau Intl
2h 35m
ORD2:55 pmChicago O'Hare Intl
Mar 31
ORD12:50 pmChicago O'Hare Intl
2h 15m
YUL4:05 pmMontreal Pierre Elliott Trudeau Intl
$206
Air Canada
Jun 2
YUL1:15 pmMontreal Pierre Elliott Trudeau Intl
2h 38m
ORD2:53 pmChicago O'Hare Intl
Jun 5
ORD8:45 amChicago O'Hare Intl
2h 15m
YUL12:00 pmMontreal Pierre Elliott Trudeau Intl
$207

American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flight tickets
American Airlines
Feb 15
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
11h 34m
1 stop
ORD6:04 pmChicago O'Hare Intl
Feb 22
ORD8:23 amChicago O'Hare Intl
13h 33m
1 stop
YUL10:56 pmMontreal Pierre Elliott Trudeau Intl
$200
American Airlines
Feb 19
YUL3:45 pmMontreal Pierre Elliott Trudeau Intl
2h 59m
ORD5:44 pmChicago O'Hare Intl
Feb 23
ORD8:23 amChicago O'Hare Intl
5h 59m
1 stop
YUL3:22 pmMontreal Pierre Elliott Trudeau Intl
$210
American Airlines
Mar 30
YUL3:45 pmMontreal Pierre Elliott Trudeau Intl
3h 00m
ORD5:45 pmChicago O'Hare Intl
Apr 4
ORD6:40 amChicago O'Hare Intl
15h 16m
1 stop
YUL10:56 pmMontreal Pierre Elliott Trudeau Intl
$259

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare 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 January 26, 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 6/12

8:15 am-9:53 am

Nonstop2h 38m

Chicago O'Hare Intl

Sun 6/14

8:45 am-12:00 pm

Nonstop2h 15m

$192

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

7:30 am-6:04 pm

1 stop11h 34m

Chicago O'Hare Intl

Sun 2/22

8:23 am-10:56 pm

1 stop13h 33m

$200

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

7:00 am-1:15 pm

1 stop7h 15m

Chicago O'Hare Intl

Sun 2/22

10:35 am-2:00 pm

Nonstop2h 25m

$205

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 3/30

1:20 pm-2:55 pm

Nonstop2h 35m

Chicago O'Hare Intl

Tue 3/31

12:50 pm-4:05 pm

Nonstop2h 15m

$206

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

1:15 pm-2:53 pm

Nonstop2h 38m

Chicago O'Hare Intl

Fri 6/5

8:45 am-12:00 pm

Nonstop2h 15m

$207

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

3:45 pm-5:44 pm

Nonstop2h 59m

Chicago O'Hare Intl

Mon 2/23

8:23 am-3:22 pm

1 stop5h 59m

$210

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

9:15 am-2:20 pm

1 stop6h 05m

Chicago O'Hare Intl

Sun 2/22

10:35 am-2:00 pm

Nonstop2h 25m

$211

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 2/18

9:15 am-2:20 pm

1 stop6h 05m

Chicago O'Hare Intl

Mon 2/23

2:30 pm-9:42 pm

1 stop6h 12m

$212

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 3/31

12:42 pm-9:10 pm

1 stop9h 28m

Chicago O'Hare Intl

Sat 4/4

2:05 pm-11:13 pm

1 stop8h 08m

$217

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

3:00 pm-7:43 pm

1 stop5h 43m

Chicago O'Hare Intl

Sat 6/6

1:35 pm-11:10 pm

1 stop8h 35m

$218

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 Chicago from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare 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 Chicago O'Hare Intl Airport?

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around $313.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $427. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Montreal Pierre Elliott Trudeau Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $661.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Montreal Pierre Elliott Trudeau Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $457 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $519. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $354 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Montreal Pierre Elliott Trudeau Intl Airport for as low as $212 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport.

How have Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flight prices changed over time?

As of January 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport (YUL to ORD) flight deals and tips

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

Best Price Found

$222

Fastest flight time

2h 35m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is $222. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $318.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport takes 2h 35m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport every day.
Search flight deals

  • How far is Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl by plane?

    Chicago O'Hare Intl is 744.9 mi away from Montreal Pierre Elliott Trudeau Intl. Flights usually cover this in 2h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport were last updated today.

  • How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

    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 Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare 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 Chicago O'Hare 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $156Free CancellationRating
7.1
10,656 reviews
Search Air Canada flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,189 reviews
Search American Airlines flights
United AirlinesPriceFrom $267Free CancellationRating
7.4
9,198 reviews
Search United Airlines flights

  • United Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

    United Airlines flight deals from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport start from $267 round-trip. Over the 27 United Airlines flights for this route in a normal week, average airfare is usually $380 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

    Across 11,189 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport about 7 times each week, with ticket deals ranging from $189 to $399. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
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Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
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Oak Brook
Orland Park
Racine
Hammond
Janesville
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Elgin
Aurora
South Holland

Why use momondo?

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

Finding the right flight to Chicago from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

Flights from Montreal to Chicago 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 Montreal to Chicago?

Once all potential Montreal to Chicago 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 Montreal to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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