Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal to Chicago O'Hare Intl Airport from $158

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 12/4. 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
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
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.

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 to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
2:00 pm - 9:48 pmORD-YUL
6h 48m1 stop
$251Air Canada
Find Deal
Wed, Nov 27 - Fri, Nov 29
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
9:00 am - 5:50 pmORD-YUL
7h 50m1 stop
$255United Airlines
Find Deal
Wed, Nov 27 - Thu, Nov 28
5:30 pm - 7:49 amYUL-ORD
15h 19m1 stop
6:30 am - 3:25 pmORD-YUL
7h 55m1 stop
$270American Airlines
Find Deal
Fri, Dec 6 - Sun, Dec 8
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
6:53 pm - 12:24 pmORD-YUL
16h 31m1 stop
$273American Airlines
Find Deal
Thu, Nov 28 - Mon, Dec 2
12:50 pm - 7:33 pmYUL-ORD
7h 43m1 stop
7:05 am - 4:00 pmORD-YUL
7h 55m1 stop
$274Delta
Find Deal
Wed, Dec 4 - Fri, Dec 6
5:00 pm - 10:44 pmYUL-ORD
6h 44m1 stop
7:05 am - 11:58 amORD-YUL
3h 53m1 stop
$275Delta
Find Deal
Fri, Dec 6 - Sun, Dec 8
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
7:28 am - 3:38 pmORD-YUL
7h 10m1 stop
Wed, Nov 27 - Mon, Dec 2
1:10 pm - 2:45 pmYUL-ORD
2h 35mnonstop
2:00 pm - 9:48 pmORD-YUL
6h 48m1 stop
Wed, Nov 20 - Tue, Nov 26
10:59 am - 4:12 pmYUL-ORD
6h 13m1 stop
7:00 am - 1:32 pmORD-YUL
5h 32m1 stop
$285British Airways
Find Deal
Wed, Nov 20 - Tue, Nov 26
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
8:35 am - 11:50 amORD-YUL
2h 15mnonstop
$348British Airways
Find Deal
Thu, Nov 28 - Sun, Dec 1
9:20 am - 11:07 pmYUL-ORD
14h 47m2 stops
Wed, Dec 4
10:15 am - 2:51 pmYUL-ORD
5h 36m1 stop
$160Air Canada
Find Deal
Mon, Nov 25
1:10 pm - 2:45 pmYUL-ORD
2h 35mnonstop
$162Air Canada
Find Deal
Tue, Nov 19
9:20 am - 9:07 pmYUL-ORD
12h 47m1 stop
Wed, Dec 4
5:30 pm - 8:48 amYUL-ORD
16h 18m1 stop
$165American Airlines
Find Deal
Tue, Dec 10
5:00 pm - 10:44 pmYUL-ORD
6h 44m1 stop
$166Delta
Find Deal
Fri, Dec 6
6:30 pm - 11:20 pmYUL-ORD
5h 50m1 stop
$177United Airlines
Find Deal
Fri, Nov 22
6:35 pm - 10:02 amYUL-ORD
16h 27m1 stop
$178United Airlines
Find Deal
Sun, Nov 17
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
$182American Airlines
Find Deal
Wed, Dec 4
6:09 pm - 11:59 pmYUL-ORD
6h 50m1 stop
$238Delta
Find Deal
Fri, Nov 15
5:30 pm - 7:44 amYUL-ORD
15h 14m1 stop
6:40 pm - 1:32 pmORD-YUL
17h 52m1 stop
$416American Airlines
Find Deal
Fri, Nov 8 - Mon, Nov 18
12:45 pm - 10:56 amYUL-ORD
23h 11m1 stop
5:35 pm - 11:58 amORD-YUL
17h 23m1 stop
$427WestJet
Find Deal
Wed, Nov 6 - Sat, Nov 9
7:30 am - 2:47 pmYUL-ORD
8h 17m1 stop
3:34 pm - 11:33 pmORD-YUL
6h 59m1 stop
$437WestJet
Find Deal
Sat, Nov 9 - Wed, Nov 20
3:55 pm - 9:25 amYUL-ORD
18h 30m1 stop
7:46 pm - 2:55 pmORD-YUL
18h 09m1 stop
Sat, Nov 9 - Mon, Nov 11
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
8:25 pm - 1:53 amORD-YUL
4h 28m1 stop
$466Air Canada
Find Deal
Fri, Nov 8 - Mon, Nov 18
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
2:01 pm - 5:19 pmORD-YUL
2h 18mnonstop
$505Air Canada
Find Deal
Fri, Nov 8 - Sat, Nov 9
6:50 am - 8:15 pmYUL-ORD
14h 25m3 stops
1:09 pm - 3:15 pmORD-YUL
25h 06m3 stops
Fri, Nov 8 - Mon, Nov 18
8:25 am - 2:13 pmYUL-ORD
6h 48m1 stop
6:30 am - 12:40 pmORD-YUL
5h 10m1 stop
$658United Airlines
Find Deal
Fri, Nov 8 - Mon, Nov 11
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
6:30 am - 12:40 pmORD-YUL
5h 10m1 stop
$709United Airlines
Find Deal
Fri, Nov 8 - Mon, Nov 11
10:00 am - 9:05 pmYUL-ORD
12h 05m2 stops
8:25 am - 9:08 pmORD-YUL
11h 43m2 stops
$2,164Delta
Find Deal
Fri, Nov 8 - Mon, Nov 11
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
8:35 am - 11:50 amORD-YUL
2h 15mnonstop
$283American Airlines
Find Deal
Thu, Nov 28 - Sat, Nov 30
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
$292Air Canada
Find Deal
Thu, Nov 28 - Sat, Nov 30
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
$297Lufthansa
Find Deal
Thu, Nov 28 - Sun, Dec 1
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
8:35 am - 11:50 amORD-YUL
2h 15mnonstop
$303American Airlines
Find Deal
Thu, Nov 28 - Sat, Nov 30
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
$306Air Canada
Find Deal
Thu, Nov 28 - Sun, Dec 1
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
8:35 am - 11:50 amORD-YUL
2h 15mnonstop
$311American Airlines
Find Deal
Mon, Nov 25 - Wed, Nov 27
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
Thu, Nov 28 - Sun, Dec 1
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
2:01 pm - 5:19 pmORD-YUL
2h 18mnonstop
$334United Airlines
Find Deal
Wed, Nov 20 - Wed, Nov 27
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
8:35 am - 11:50 amORD-YUL
2h 15mnonstop
$348British Airways
Find Deal
Thu, Nov 28 - Sun, Dec 1
6:00 am - 7:56 amYUL-ORD
2h 56mnonstop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
$452United Airlines
Find Deal
Wed, Nov 27 - Mon, Dec 2

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
Jan 30
YUL5:15 pmMontreal Pierre Elliott Trudeau Intl
6h 21m
1 stop
ORD10:36 pmChicago O'Hare Intl
Feb 3
ORD4:18 pmChicago O'Hare Intl
6h 18m
1 stop
YUL11:36 pmMontreal Pierre Elliott Trudeau Intl
WestJet
Jan 25
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
8h 46m
1 stop
ORD1:46 pmChicago O'Hare Intl
Feb 16
ORD12:30 pmChicago O'Hare Intl
9h 44m
1 stop
YUL11:14 pmMontreal Pierre Elliott Trudeau Intl
WestJet
Feb 18
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
4h 32m
1 stop
ORD10:32 amChicago O'Hare Intl
Feb 25
ORD8:30 amChicago O'Hare Intl
9h 43m
1 stop
YUL7:13 pmMontreal Pierre Elliott Trudeau Intl

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
Nov 27
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
2h 56m
ORD7:56 amChicago O'Hare Intl
Nov 29
ORD2:00 pmChicago O'Hare Intl
6h 48m
1 stop
YUL9:48 pmMontreal Pierre Elliott Trudeau Intl
Air Canada
Nov 28
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
2h 56m
ORD6:41 pmChicago O'Hare Intl
Dec 1
ORD7:19 amChicago O'Hare Intl
4h 59m
1 stop
YUL1:18 pmMontreal Pierre Elliott Trudeau Intl
Air Canada
Nov 28
YUL8:50 amMontreal Pierre Elliott Trudeau Intl
5h 08m
1 stop
ORD12:58 pmChicago O'Hare Intl
Dec 1
ORD7:19 amChicago O'Hare Intl
4h 59m
1 stop
YUL1:18 pmMontreal Pierre Elliott Trudeau Intl

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 from Montreal to Chicago O'Hare Intl Airport?

January. The cheapest time of year to fly to Chicago O'Hare Intl Airport from Montreal is January. Most expensive is August

What is the cheapest day to depart Montreal for Chicago O'Hare Intl Airport?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Monday

When is the cheapest time to fly from Montreal to Chicago O'Hare Intl Airport?

In the evening. Montreal to Chicago O'Hare Intl Airport flights are approximately 28% more expensive at noon than in the evening

What is the cheapest airline that flies to Chicago O'Hare Intl Airport from Montreal?

Air Canada. Air Canada, WestJet, and American Airlines are the most popular carriers operating from Montreal to Chicago O'Hare Intl Airport

How far in advance should you book Montreal to Chicago O'Hare Intl Airport flights?

33 days before. The cheapest time to buy a flight from Montreal to Chicago O'Hare Intl Airport is approximately 33 days to departure

How many flights depart from Montreal to Chicago O'Hare Intl Airport on average per day?

As of November 2024, 17 flights take off from Montreal and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 6:00AM, with 50% of daily flights taking off in the afternoon.

How many flights depart from Montreal to Chicago O'Hare Intl Airport on average per week?

The number of flights available between Montreal and Chicago O'Hare Intl Airport is 122 per week as of November 2024. The most frequent departure day is Sunday, with 17% of weekly flights leaving on this day.

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

There are 2 cabin classes available to choose from on Montreal 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.

Can stopping save me money on Montreal to Chicago O'Hare Intl Airport flights?

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

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

As of November 2024, prices for Montreal to Chicago O'Hare Intl Airport flights are approximately 29% 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

$158

Fastest flight time

2h 35m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Montreal in the past 72 hours is $158. The best round-trip flight deal from Montreal to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $251.
The fastest flight from Montreal to Chicago O'Hare Intl Airport takes 2h 35m
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 35m.

  • 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 $218Free CancellationRating
7.4
9,226 reviews
Search United Airlines flights
Air CanadaPriceFrom $237Free CancellationRating
7.0
8,123 reviews
Search Air Canada flights
American AirlinesPriceFrom $282Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
WestJetPriceFrom $334Free CancellationRating
7.3
2,803 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 $218 round-trip. United Airlines has been scored 7.4/10 in 9,226 reviews.

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

    Another popular option for Montreal to Chicago O'Hare Intl Airport flights is American Airlines (7.2/10, 10,000 ratings). American Airlines flies from Montreal to Chicago O'Hare Intl Airport around 2 times per week, with deals starting from $282 round-trip and rising to an average price of around $391.


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.


An easier way to manage your Chicago O'Hare 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 11/9
Sat 11/16
Email me momondo's favorite deals

Find better results for your trip to Chicago