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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago from $168

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 8/22. 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
9:10 am - 1:22 pm
YUL
-
ORD
5h 12m
1 stop
Air Canada Logo
7:25 am - 1:47 pm
ORD
-
YUL
5h 22m
1 stop
$284Air Canada
Sat, Jul 11 - Sat, Jul 18
Air Canada Logo
6:30 pm - 8:05 pm
YUL
-
ORD
2h 35mnonstop
Air Canada Logo
8:45 am - 12:00 pm
ORD
-
YUL
2h 15mnonstop
$286Air Canada
Thu, Sep 3 - Tue, Sep 8
Air Canada Logo
8:40 am - 10:16 am
YUL
-
ORD
2h 36mnonstop
Air Canada Logo
8:45 am - 12:00 pm
ORD
-
YUL
2h 15mnonstop
$287Air Canada
Sat, Jul 11 - Tue, Jul 14
Air Canada Logo
9:10 am - 1:23 pm
YUL
-
ORD
5h 13m
1 stop
Air Canada Logo
3:40 pm - 7:01 pm
ORD
-
YUL
2h 21mnonstop
$288Air Canada
Thu, Oct 8 - Wed, Oct 14
Air Canada Logo
1:15 pm - 2:44 pm
YUL
-
ORD
2h 29mnonstop
Air Canada Logo
3:40 pm - 7:03 pm
ORD
-
YUL
2h 23mnonstop
$289Air Canada
Tue, Aug 4 - Mon, Aug 10
Air Canada Logo
4:30 pm - 8:29 pm
YUL
-
ORD
4h 59m
1 stop
Air Canada Logo
2:00 pm - 7:47 pm
ORD
-
YUL
4h 47m
1 stop
$290Air Canada
Thu, Aug 13 - Tue, Aug 18
Air Canada Logo
8:50 am - 10:19 am
YUL
-
ORD
2h 29mnonstop
Air Canada Logo
8:40 am - 11:59 am
ORD
-
YUL
2h 19mnonstop
$291Air Canada
Sun, Aug 23 - Fri, Aug 28
Air Canada Logo
8:40 am - 10:16 am
YUL
-
ORD
2h 36mnonstop
Air Canada Logo
7:25 am - 1:47 pm
ORD
-
YUL
5h 22m
1 stop
$292Air Canada
Sat, Jul 11 - Tue, Jul 14
Air Canada Logo
4:30 pm - 8:29 pm
YUL
-
ORD
4h 59m
1 stop
Air Canada Logo
7:25 am - 1:47 pm
ORD
-
YUL
5h 22m
1 stop
$293Air Canada
Tue, Jul 21 - Sat, Jul 25
Air Canada Logo
9:10 am - 1:22 pm
YUL
-
ORD
5h 12m
1 stop
Air Canada Logo
8:45 am - 12:00 pm
ORD
-
YUL
2h 15mnonstop
$294Air Canada
Thu, Jul 9 - Sun, Jul 12

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

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flight tickets
Delta
Jul 21
YUL2:29 pmMontreal Pierre Elliott Trudeau Intl
9h 07m
1 stop
ORD10:36 pmChicago O'Hare Intl
Jul 28
ORD2:07 pmChicago O'Hare Intl
8h 18m
1 stop
YUL11:25 pmMontreal Pierre Elliott Trudeau Intl
$306
Delta
Jul 22
YUL9:30 amMontreal Pierre Elliott Trudeau Intl
9h 33m
1 stop
ORD6:03 pmChicago O'Hare Intl
Jul 28
ORD2:07 pmChicago O'Hare Intl
8h 18m
1 stop
YUL11:25 pmMontreal Pierre Elliott Trudeau Intl
$313
Delta
Jul 7
YUL12:47 pmMontreal Pierre Elliott Trudeau Intl
8h 44m
1 stop
ORD8:31 pmChicago O'Hare Intl
Jul 10
ORD2:07 pmChicago O'Hare Intl
8h 18m
1 stop
YUL11:25 pmMontreal Pierre Elliott Trudeau Intl
$327

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
Jul 11
YUL9:10 amMontreal Pierre Elliott Trudeau Intl
5h 12m
1 stop
ORD1:22 pmChicago O'Hare Intl
Jul 18
ORD7:25 amChicago O'Hare Intl
5h 22m
1 stop
YUL1:47 pmMontreal Pierre Elliott Trudeau Intl
$284
Air Canada
Sep 3
YUL6:30 pmMontreal Pierre Elliott Trudeau Intl
2h 35m
ORD8:05 pmChicago O'Hare Intl
Sep 8
ORD8:45 amChicago O'Hare Intl
2h 15m
YUL12:00 pmMontreal Pierre Elliott Trudeau Intl
$286
Air Canada
Jul 11
YUL8:40 amMontreal Pierre Elliott Trudeau Intl
2h 36m
ORD10:16 amChicago O'Hare Intl
Jul 14
ORD8:45 amChicago O'Hare Intl
2h 15m
YUL12:00 pmMontreal Pierre Elliott Trudeau Intl
$287

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 June 27, 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

Cheapest round-trip

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

9:10 am-1:22 pm

1 stop5h 12m

Chicago O'Hare Intl

Sat 7/18

7:25 am-1:47 pm

1 stop5h 22m

$284

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 9/3

6:30 pm-8:05 pm

Nonstop2h 35m

Chicago O'Hare Intl

Tue 9/8

8:45 am-12:00 pm

Nonstop2h 15m

$286

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

8:40 am-10:16 am

Nonstop2h 36m

Chicago O'Hare Intl

Tue 7/14

8:45 am-12:00 pm

Nonstop2h 15m

$287

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 10/8

9:10 am-1:23 pm

1 stop5h 13m

Chicago O'Hare Intl

Wed 10/14

3:40 pm-7:01 pm

Nonstop2h 21m

$288

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 8/4

1:15 pm-2:44 pm

Nonstop2h 29m

Chicago O'Hare Intl

Mon 8/10

3:40 pm-7:03 pm

Nonstop2h 23m

$289

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 8/13

4:30 pm-8:29 pm

1 stop4h 59m

Chicago O'Hare Intl

Tue 8/18

2:00 pm-7:47 pm

1 stop4h 47m

$290
Quickest round-trip

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sun 8/23

8:50 am-10:19 am

Nonstop2h 29m

Chicago O'Hare Intl

Fri 8/28

8:40 am-11:59 am

Nonstop2h 19m

$291

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

8:40 am-10:16 am

Nonstop2h 36m

Chicago O'Hare Intl

Tue 7/14

7:25 am-1:47 pm

1 stop5h 22m

$292

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

4:30 pm-8:29 pm

1 stop4h 59m

Chicago O'Hare Intl

Sat 7/25

7:25 am-1:47 pm

1 stop5h 22m

$293

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 7/9

9:10 am-1:22 pm

1 stop5h 12m

Chicago O'Hare Intl

Sun 7/12

8:45 am-12:00 pm

Nonstop2h 15m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of January 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 $299.

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 Thursday when prices can be found for as low as $428. 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 $676.

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 in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $485 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $540. 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 from Montreal Pierre Elliott Trudeau Intl Airport 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 $358 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 $230 on momondo.

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

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

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

As of June 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flights are approximately 29% 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

$235

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 $235. 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 $334.
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

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

  • 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 $159Free CancellationRating
7.1
11,269 reviews
Search Air Canada flights
American AirlinesPriceFrom $189Free CancellationRating
7.1
11,778 reviews
Search American Airlines flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,896 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 $240 round-trip. Over the 29 United Airlines flights for this route in a normal week, average airfare is usually $402 round-trip - but some users have found much cheaper deals with momondo.

  • Air Canada Flights From Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

    Across 11,269 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport about 37 times each week, with ticket deals ranging from $159 to $322. 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
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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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