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Cheap flights from Montreal to Chicago O'Hare Intl Airport from C$ 226

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 15/1. 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

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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 to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
7:00 a.m. - 11:38 a.m.YUL-ORD
5h 38m1 stop
3:35 p.m. - 6:47 p.m.ORD-YUL
2h 12mdirect
C$ 323Lufthansa
Find Deal
Wed, 22 Jan - Wed, 22 Jan
1:15 p.m. - 8:25 p.m.YUL-ORD
8h 10m1 stop
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 324
Find Deal
Sat, 11 Jan - Sun, 12 Jan
1:15 p.m. - 8:25 p.m.YUL-ORD
8h 10m1 stop
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 341Air Canada
Find Deal
Sat, 11 Jan - Sun, 12 Jan
1:15 p.m. - 8:25 p.m.YUL-ORD
8h 10m1 stop
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 351Air Canada
Find Deal
Sat, 11 Jan - Sun, 12 Jan
8:15 a.m. - 12:13 p.m.YUL-ORD
4h 58m1 stop
2:15 p.m. - 9:42 p.m.ORD-YUL
6h 27m1 stop
C$ 358Air Canada
Find Deal
Wed, 22 Jan - Wed, 22 Jan
11:20 a.m. - 4:13 p.m.YUL-ORD
5h 53m1 stop
1:40 p.m. - 11:25 p.m.ORD-YUL
8h 45m1 stop
C$ 414Delta
Find Deal
Wed, 8 Jan - Mon, 13 Jan
6:00 a.m. - 10:43 a.m.YUL-ORD
5h 43m1 stop
6:45 a.m. - 11:58 a.m.ORD-YUL
4h 13m1 stop
C$ 416Delta
Find Deal
Thu, 16 Jan - Wed, 22 Jan
12:55 p.m. - 5:26 p.m.YUL-ORD
5h 31m1 stop
6:30 a.m. - 3:20 p.m.ORD-YUL
7h 50m1 stop
C$ 427American Airlines
Find Deal
Thu, 13 Feb - Sat, 15 Feb
7:14 a.m. - 2:09 p.m.YUL-ORD
7h 55m1 stop
10:37 a.m. - 4:55 p.m.ORD-YUL
5h 18m1 stop
C$ 443American Airlines
Find Deal
Sat, 22 Feb - Mon, 24 Feb
4:10 p.m. - 8:07 p.m.YUL-ORD
4h 57m1 stop
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 610United Airlines
Find Deal
Sat, 11 Jan - Sun, 12 Jan
6:20 p.m. - 7:55 p.m.YUL-ORD
2h 35mdirect
C$ 226Air Canada
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Wed, 15 Jan
6:45 a.m. - 8:13 p.m.YUL-ORD
14h 28m2 stops
C$ 227
Find Deal
Wed, 15 Jan
10:54 a.m. - 9:56 p.m.YUL-ORD
12h 02m1 stop
C$ 247American Airlines
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Sat, 1 Feb
6:00 a.m. - 1:48 p.m.YUL-ORD
8h 48m1 stop
C$ 249Delta
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Wed, 15 Jan
12:48 p.m. - 9:15 p.m.YUL-ORD
9h 27m1 stop
C$ 279WestJet
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Sat, 11 Jan
7:05 a.m. - 1:18 p.m.YUL-ORD
7h 13m1 stop
C$ 281Delta
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Sat, 15 Feb
1:30 p.m. - 9:55 p.m.YUL-ORD
9h 25m2 stops
C$ 294WestJet
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Tue, 18 Mar
7:55 a.m. - 6:55 p.m.YUL-ORD
12h 00m2 stops
C$ 373United Airlines
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Wed, 8 Jan
7:13 a.m. - 9:52 p.m.YUL-ORD
15h 39m1 stop
C$ 393American Airlines
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Tue, 31 Dec
10:30 a.m. - 12:09 p.m.YUL-ORD
2h 39mdirect
C$ 411United Airlines
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Sun, 15 Jun
4:00 p.m. - 8:07 p.m.YUL-ORD
5h 07m1 stop
8:40 p.m. - 10:10 a.m.ORD-YUL
12h 30m1 stop
C$ 781American Airlines
Find Deal
Sat, 21 Dec - Wed, 8 Jan
4:45 p.m. - 6:50 p.m.YUL-ORD
3h 05mdirect
11:35 a.m. - 2:47 p.m.ORD-YUL
2h 12mdirect
C$ 787Air Canada
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Sat, 21 Dec - Wed, 8 Jan
10:15 a.m. - 2:51 p.m.YUL-ORD
5h 36m1 stop
11:35 a.m. - 2:47 p.m.ORD-YUL
2h 12mdirect
C$ 794Air Canada
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Sat, 21 Dec - Wed, 8 Jan
12:55 p.m. - 4:54 p.m.YUL-ORD
4h 59m1 stop
8:05 a.m. - 4:50 p.m.ORD-YUL
7h 45m2 stops
C$ 834American Airlines
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Thu, 19 Dec - Wed, 8 Jan
6:00 a.m. - 8:05 a.m.YUL-ORD
3h 05mdirect
6:30 p.m. - 5:12 p.m.ORD-YUL
21h 42m1 stop
C$ 843United Airlines
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Mon, 23 Dec - Mon, 23 Dec
4:10 p.m. - 10:54 p.m.YUL-ORD
7h 44m1 stop
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 950United Airlines
Find Deal
Sun, 22 Dec - Mon, 23 Dec
6:10 p.m. - 11:26 a.m.YUL-ORD
18h 16m1 stop
11:50 a.m. - 12:30 p.m.ORD-YUL
23h 40m2 stops
C$ 1,005WestJet
Find Deal
Sat, 21 Dec - Wed, 8 Jan
1:00 p.m. - 4:40 p.m.YUL-ORD
4h 40m1 stop
5:30 p.m. - 11:09 p.m.ORD-YUL
4h 39m1 stop
C$ 1,047WestJet
Find Deal
Mon, 23 Dec - Fri, 27 Dec
6:00 a.m. - 2:38 p.m.YUL-ORD
9h 38m1 stop
1:50 p.m. - 11:09 p.m.ORD-YUL
8h 19m1 stop
C$ 1,063Delta
Find Deal
Sun, 22 Dec - Sun, 29 Dec
1:00 p.m. - 8:59 p.m.YUL-ORD
8h 59m1 stop
5:40 a.m. - 4:36 p.m.ORD-YUL
9h 56m1 stop
C$ 1,150Delta
Find Deal
Thu, 19 Dec - Sun, 22 Dec
6:00 a.m. - 8:05 a.m.YUL-ORD
3h 05mdirect
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 376Air Canada
Find Deal
Sat, 11 Jan - Sun, 12 Jan
4:45 p.m. - 6:50 p.m.YUL-ORD
3h 05mdirect
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 404Air Canada
Find Deal
Sat, 11 Jan - Sun, 12 Jan
4:45 p.m. - 6:50 p.m.YUL-ORD
3h 05mdirect
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 407Air Canada
Find Deal
Sat, 11 Jan - Thu, 23 Jan
6:20 p.m. - 7:55 p.m.YUL-ORD
2h 35mdirect
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 411Air Canada
Find Deal
Sat, 1 Feb - Mon, 24 Feb
4:45 p.m. - 6:50 p.m.YUL-ORD
3h 05mdirect
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 438Air Canada
Find Deal
Sat, 11 Jan - Mon, 13 Jan
6:20 p.m. - 7:55 p.m.YUL-ORD
2h 35mdirect
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 440Air Canada
Find Deal
Fri, 17 Jan - Sun, 19 Jan
6:00 a.m. - 8:05 a.m.YUL-ORD
3h 05mdirect
11:35 a.m. - 2:47 p.m.ORD-YUL
2h 12mdirect
C$ 561
Find Deal
Wed, 8 Jan - Wed, 8 Jan
4:30 p.m. - 6:21 p.m.YUL-ORD
2h 51mdirect
7:15 a.m. - 10:40 a.m.ORD-YUL
2h 25mdirect
C$ 753United Airlines
Find Deal
Thu, 22 May - Sun, 25 May
6:00 a.m. - 8:05 a.m.YUL-ORD
3h 05mdirect
2:01 p.m. - 5:19 p.m.ORD-YUL
2h 18mdirect
C$ 1,068United Airlines
Find Deal
Sun, 12 Jan - Fri, 17 Jan
6:00 a.m. - 8:05 a.m.YUL-ORD
3h 05mdirect
7:20 a.m. - 10:32 a.m.ORD-YUL
2h 12mdirect
C$ 1,084United Airlines
Find Deal
Sat, 28 Dec - Mon, 13 Jan

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
11 Jan
YUL1:15 p.m.Montreal Pierre Elliott Trudeau Intl
8h 10m
1 stop
ORD8:25 p.m.Chicago O'Hare Intl
12 Jan
ORD7:20 a.m.Chicago O'Hare Intl
2h 12m
YUL10:32 a.m.Montreal Pierre Elliott Trudeau Intl
Air Canada
11 Jan
YUL1:15 p.m.Montreal Pierre Elliott Trudeau Intl
8h 10m
1 stop
ORD8:25 p.m.Chicago O'Hare Intl
12 Jan
ORD7:20 a.m.Chicago O'Hare Intl
2h 12m
YUL10:32 a.m.Montreal Pierre Elliott Trudeau Intl
Air Canada
22 Jan
YUL8:15 a.m.Montreal Pierre Elliott Trudeau Intl
4h 58m
1 stop
ORD12:13 p.m.Chicago O'Hare Intl
22 Jan
ORD2:15 p.m.Chicago O'Hare Intl
6h 27m
1 stop
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl

United Airlines flights from Montreal to Chicago O'Hare Intl Airport

Our best United Airlines deals on Montreal to Chicago O'Hare Intl Airport flight tickets
United Airlines
11 Jan
YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl
4h 57m
1 stop
ORD8:07 p.m.Chicago O'Hare Intl
12 Jan
ORD7:20 a.m.Chicago O'Hare Intl
2h 12m
YUL10:32 a.m.Montreal Pierre Elliott Trudeau Intl
United Airlines
23 Dec
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
3h 05m
ORD8:05 a.m.Chicago O'Hare Intl
23 Dec
ORD6:30 p.m.Chicago O'Hare Intl
21h 42m
1 stop
YUL5:12 p.m.Montreal Pierre Elliott Trudeau Intl
United Airlines
1 Jan
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
2h 35m
ORD7:55 p.m.Chicago O'Hare Intl
2 Jan
ORD7:00 a.m.Chicago O'Hare Intl
24h 00m
1 stop
YUL8:00 a.m.Montreal 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 cheapest month to fly to Chicago O'Hare Intl Airport?

In general, April is the cheapest month to fly from Montreal to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 491. The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Montreal averaging around C$ 500.

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 Tuesday when prices can be found for as low as C$ 491. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to Chicago O'Hare Intl Airport for around C$ 629.

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

In the morning is the cheapest time of day to fly from Montreal to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 554. Flying to Chicago O'Hare Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 678 on average. Flights to Chicago O'Hare Intl Airport from Montreal in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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?

The best time to book a flight to Chicago O'Hare Intl Airport from Montreal is 36 days out, which is when prices tend to be around C$ 563. 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 C$ 536 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.

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 December 2024, prices for Montreal to Chicago O'Hare Intl Airport flights are approximately 52% 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

C$ 226

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 C$ 226. The best round-trip flight deal from Montreal to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 323.
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 1213.9 km. Typically, this will take 2h 35m by plane in normal conditions.

  • 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 are updated daily.

  • 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 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 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
Porter AirlinesPriceFrom C$ 328Free CancellationRating
7.9
283 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 368Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 368Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
DeltaPriceFrom C$ 370Free CancellationRating
8.0
8,604 reviews
Search Delta flights
American AirlinesPriceFrom C$ 392Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
WestJetPriceFrom C$ 456Free CancellationRating
7.2
2,818 reviews
Search WestJet flights
  • United Airlines Flights From Montreal to Chicago O'Hare Intl Airport

    The lowest priced United Airlines flight from Montreal to Chicago O'Hare Intl Airport from the last 72 hours was C$ 258. Generally, United Airlines has 27 flights on this route every week with an average price of C$ 291. United Airlines is rated 7.4/10 by our users.

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

    Across 8,382 Air Canada reviews on momondo, the average score is 7.0/10. Air Canada flies from Montreal to Chicago O'Hare Intl Airport about 15 times each week, with ticket deals ranging from C$ 258 to C$ 416. Price data is based on momondo searches in the last 72 hours.


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 recognizable 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?

Yes. All flights to Chicago from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

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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