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Cheap flights from Montreal to Chicago O'Hare Intl Airport from $151

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 to Chicago O'Hare Intl Airport departing on 3/18. 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 to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from Montreal to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Montreal to Chicago.

Cheap last minute flights

Planning a quick getaway from Montreal to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Montreal to Chicago

Find recent round-trip train or bus tickets from Montreal to Chicago.

All round-trip flight deals from Montreal to Chicago

The cheapest plane tickets from Montreal to Chicago found on KAYAK recently.
6:20 pm - 7:55 pmYUL-ORD
2h 35mnonstop
11:35 am - 2:47 pmORD-YUL
2h 12mnonstop
$278Air Canada
Find Deal
Wed, Feb 26 - Sun, Mar 2
12:30 pm - 2:05 pmYUL-ORD
2h 35mnonstop
8:25 am - 11:40 amORD-YUL
2h 15mnonstop
$280American Airlines
Find Deal
Fri, Apr 25 - Tue, Apr 29
1:10 pm - 2:45 pmYUL-ORD
2h 35mnonstop
3:35 pm - 6:47 pmORD-YUL
2h 12mnonstop
$281Air Canada
Find Deal
Thu, Feb 20 - Mon, Feb 24
8:50 am - 12:59 pmYUL-ORD
5h 09m1 stop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
$283Air Canada
Find Deal
Wed, Feb 26 - Sun, Mar 2
12:30 pm - 2:05 pmYUL-ORD
2h 35mnonstop
7:11 am - 4:44 pmORD-YUL
8h 33m1 stop
$289American Airlines
Find Deal
Fri, Apr 25 - Tue, Apr 29
4:50 pm - 8:53 pmYUL-ORD
5h 03m1 stop
6:45 am - 11:59 amORD-YUL
4h 14m1 stop
$305Delta
Find Deal
Thu, Feb 20 - Sun, Feb 23
6:00 pm - 11:59 pmYUL-ORD
6h 59m1 stop
3:35 pm - 11:43 pmORD-YUL
7h 08m1 stop
$306Delta
Find Deal
Wed, Apr 9 - Mon, Apr 14
1:10 pm - 2:45 pmYUL-ORD
2h 35mnonstop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
$329Brussels Airlines
Find Deal
Thu, Feb 20 - Sun, Feb 23
6:20 pm - 8:00 pmYUL-ORD
2h 40mnonstop
7:00 am - 10:28 amORD-YUL
2h 28mnonstop
$378United Airlines
Find Deal
Sat, Apr 19 - Mon, Apr 21
6:00 am - 7:57 amYUL-ORD
2h 57mnonstop
5:58 pm - 9:17 pmORD-YUL
2h 19mnonstop
$383United Airlines
Find Deal
Thu, Feb 20 - Sun, Feb 23
6:35 pm - 9:29 amYUL-ORD
15h 54m1 stop
Tue, Mar 18
6:35 pm - 9:29 amYUL-ORD
15h 54m1 stop
Tue, Mar 11
6:35 pm - 9:29 amYUL-ORD
15h 54m1 stop
Mon, Mar 10
1:10 pm - 2:45 pmYUL-ORD
2h 35mnonstop
$166Air Canada
Find Deal
Tue, Feb 25
8:50 am - 12:59 pmYUL-ORD
5h 09m1 stop
$172Air Canada
Find Deal
Thu, Feb 20
6:03 pm - 11:48 pmYUL-ORD
6h 45m1 stop
$181Delta
Find Deal
Wed, Feb 19
6:00 am - 10:49 amYUL-ORD
5h 49m1 stop
$183Delta
Find Deal
Wed, Feb 19
6:20 pm - 7:55 pmYUL-ORD
2h 35mnonstop
$215United Airlines
Find Deal
Sat, Mar 8
12:30 pm - 2:05 pmYUL-ORD
2h 35mnonstop
$228American Airlines
Find Deal
Mon, Apr 21
6:00 am - 8:05 amYUL-ORD
3h 05mnonstop
$261United Airlines
Find Deal
Wed, Feb 5
6:35 pm - 10:17 amYUL-ORD
16h 42m1 stop
5:11 am - 2:55 pmORD-YUL
8h 44m1 stop
Sat, Jan 25 - Tue, Jan 28
6:35 pm - 4:10 pmYUL-ORD
22h 35m2 stops
5:11 am - 2:55 pmORD-YUL
8h 44m1 stop
Sat, Jan 25 - Tue, Jan 28
10:54 am - 8:41 pmYUL-ORD
10h 47m1 stop
1:00 pm - 10:45 pmORD-YUL
8h 45m2 stops
$491American Airlines
Find Deal
Fri, Jan 24 - Sat, Jan 25
6:20 pm - 7:55 pmYUL-ORD
2h 35mnonstop
2:01 pm - 5:19 pmORD-YUL
2h 18mnonstop
$501Air Canada
Find Deal
Sat, Jan 25 - Mon, Jan 27
6:20 pm - 7:55 pmYUL-ORD
2h 35mnonstop
11:35 am - 2:47 pmORD-YUL
2h 12mnonstop
$504Air Canada
Find Deal
Sat, Jan 25 - Wed, Jan 29
7:00 am - 1:45 pmYUL-ORD
7h 45m1 stop
2:35 pm - 9:06 pmORD-YUL
5h 31m1 stop
$506Delta
Find Deal
Sat, Jan 25 - Wed, Jan 29
6:20 pm - 7:55 pmYUL-ORD
2h 35mnonstop
6:00 am - 11:44 amORD-YUL
4h 44m1 stop
$538United Airlines
Find Deal
Sat, Jan 25 - Sun, Jan 26
6:00 am - 10:53 amYUL-ORD
5h 53m1 stop
4:55 pm - 11:52 pmORD-YUL
5h 57m1 stop
$549Delta
Find Deal
Fri, Jan 24 - Sun, Jan 26
9:15 am - 10:54 amYUL-ORD
2h 39mnonstop
4:00 pm - 10:04 pmORD-YUL
5h 04m1 stop
$598United Airlines
Find Deal
Wed, Jan 22 - Wed, Jan 22
12:55 pm - 6:27 pmYUL-ORD
6h 32m2 stops
8:40 pm - 10:10 amORD-YUL
12h 30m1 stop
$601American Airlines
Find Deal
Wed, Jan 22 - Wed, Jan 22
6:20 pm - 7:55 pmYUL-ORD
2h 35mnonstop
11:35 am - 2:47 pmORD-YUL
2h 12mnonstop
$278Air Canada
Find Deal
Wed, Feb 26 - Sun, Mar 2
12:30 pm - 2:05 pmYUL-ORD
2h 35mnonstop
8:25 am - 11:40 amORD-YUL
2h 15mnonstop
$280American Airlines
Find Deal
Fri, Apr 25 - Tue, Apr 29
1:10 pm - 2:45 pmYUL-ORD
2h 35mnonstop
3:35 pm - 6:47 pmORD-YUL
2h 12mnonstop
$281Air Canada
Find Deal
Thu, Feb 20 - Mon, Feb 24
1:10 pm - 2:45 pmYUL-ORD
2h 35mnonstop
3:35 pm - 6:47 pmORD-YUL
2h 12mnonstop
$291Air Canada
Find Deal
Thu, Feb 20 - Sun, Feb 23
6:20 pm - 7:55 pmYUL-ORD
2h 35mnonstop
3:35 pm - 6:47 pmORD-YUL
2h 12mnonstop
$297Air Canada
Find Deal
Thu, Feb 20 - Sun, Feb 23
4:45 pm - 6:45 pmYUL-ORD
3h 00mnonstop
5:58 pm - 9:17 pmORD-YUL
2h 19mnonstop
$299Air Canada
Find Deal
Thu, Feb 20 - Sun, Feb 23
12:30 pm - 2:05 pmYUL-ORD
2h 35mnonstop
8:25 am - 11:40 amORD-YUL
2h 15mnonstop
$300American Airlines
Find Deal
Thu, Apr 10 - Tue, Apr 15
1:10 pm - 2:45 pmYUL-ORD
2h 35mnonstop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
$329Brussels Airlines
Find Deal
Thu, Feb 20 - Sun, Feb 23
6:00 am - 7:57 amYUL-ORD
2h 57mnonstop
5:58 pm - 9:17 pmORD-YUL
2h 19mnonstop
$364United Airlines
Find Deal
Fri, Feb 14 - Sun, Feb 16
6:15 am - 8:02 amYUL-ORD
2h 47mnonstop
7:00 am - 10:28 amORD-YUL
2h 28mnonstop
$378United Airlines
Find Deal
Wed, Apr 16 - Fri, Apr 25

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

Our best Air Canada deals on Montreal to Chicago O'Hare Intl Airport flight tickets
Air Canada
Feb 26
YUL6:20 pmMontreal Pierre Elliott Trudeau Intl
2h 35m
ORD7:55 pmChicago O'Hare Intl
Mar 2
ORD11:35 amChicago O'Hare Intl
2h 12m
YUL2:47 pmMontreal Pierre Elliott Trudeau Intl
Air Canada
Feb 20
YUL1:10 pmMontreal Pierre Elliott Trudeau Intl
2h 35m
ORD2:45 pmChicago O'Hare Intl
Feb 24
ORD3:35 pmChicago O'Hare Intl
2h 12m
YUL6:47 pmMontreal Pierre Elliott Trudeau Intl
Air Canada
Feb 26
YUL8:50 amMontreal Pierre Elliott Trudeau Intl
5h 09m
1 stop
ORD12:59 pmChicago O'Hare Intl
Mar 2
ORD7:20 amChicago O'Hare Intl
2h 12m
YUL10:32 amMontreal Pierre Elliott Trudeau Intl

WestJet flights from Montreal to Chicago O'Hare Intl Airport

Our best WestJet deals on Montreal to Chicago O'Hare Intl Airport flight tickets
WestJet
Feb 21
YUL1:30 pmMontreal Pierre Elliott Trudeau Intl
9h 28m
2 stops
ORD9:58 pmChicago O'Hare Intl
Feb 26
ORD2:35 pmChicago O'Hare Intl
9h 04m
2 stops
YUL12:39 amMontreal Pierre Elliott Trudeau Intl
WestJet
Mar 8
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
16h 58m
1 stop
ORD9:58 pmChicago O'Hare Intl
Mar 12
ORD10:15 amChicago O'Hare Intl
13h 24m
2 stops
YUL12:39 amMontreal Pierre Elliott Trudeau Intl
WestJet
Feb 26
YUL1:30 pmMontreal Pierre Elliott Trudeau Intl
27h 00m
2 stops
ORD3:30 pmChicago O'Hare Intl
Mar 2
ORD6:15 amChicago O'Hare Intl
17h 24m
2 stops
YUL12:39 amMontreal Pierre Elliott Trudeau Intl

See travel insights to Chicago from

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

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

The month of April is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Montreal averaging around $366.

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 $394. 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 because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $573.

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 in the evening is the least expensive time of day to depart. momondo users have found prices as low as $306 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $461. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl for the best Montreal - 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 when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $399 when searching 5 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 for as low as $324 on momondo.

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

There are 4 cabin classes available to choose from on Montreal 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.

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

As of January 2025, prices for Montreal to Chicago O'Hare Intl Airport flights are approximately 58% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal 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 to Chicago O'Hare Intl Airport (YMQ to ORD) flight deals and tips

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

Best Price Found

$151

Fastest flight time

2h 32m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Montreal in the past 72 hours is $151. The best round-trip flight deal from Montreal to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $278.
The fastest flight from Montreal to Chicago O'Hare Intl Airport takes 2h 32m
Direct flights go from Montreal to Chicago O'Hare Intl Airport every day.

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

    The straight-line distance from Montreal to Chicago O'Hare Intl is 754.3 mi. By plane, this route typically takes 2h 32m.

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

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

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

  • How old do you have to be to fly from Montreal 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 to Chicago O'Hare Intl Airport.

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

    The travel and health documents you'll need for your trip to Chicago O'Hare 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 Chicago O'Hare 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 Montreal to Chicago O'Hare Intl Airport?

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


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

Compare and see reviews for airlines that fly from Montreal to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $112Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
Air CanadaPriceFrom $251Free CancellationRating
7.0
8,633 reviews
Search Air Canada flights
American AirlinesPriceFrom $282Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
WestJetPriceFrom $334Free CancellationRating
7.2
2,829 reviews
Search WestJet flights
  • United Airlines Flights From Montreal to Chicago O'Hare Intl Airport

    United Airlines operates around 35 flights from Montreal to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $396, but momondo users have found United Airlines deals from Montreal to Chicago O'Hare Intl Airport from as low as $112 round-trip. United Airlines has been scored 7.4/10 in 8,984 reviews.

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

    Another popular option for Montreal to Chicago O'Hare Intl Airport flights is Air Canada (7.0/10, 8,633 ratings). Air Canada flies from Montreal to Chicago O'Hare Intl Airport around 21 times per week, with deals starting from $251 round-trip and rising to an average price of around $415.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Rockford
Lake Geneva
Schaumburg
Merrillville
Rosemont
Gurnee
Naperville
Kenosha
Joliet
South Haven
Racine
Hammond
Oak Brook
South Holland
Tinley Park
New Buffalo
Elk Grove Village
Aurora
Elgin
Waukegan

Why use momondo?

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

It is quick and easy to find Montreal to Chicago 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 Chicago that suits you.

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

All flight searches from Montreal to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Montreal.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Montreal and alert you when they change.


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