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Cheap flights from Chicago O'Hare Intl Airport to Montreal from C$ 78

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Montreal departing on 18/11. 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 Chicago O'Hare Intl Airport to Montreal

Cheap round-trip flights

Air Canada Logo
10:40 a.m. - 1:54 p.m.ORD-YUL
2h 14mdirect
Air Canada Logo
8:20 a.m. - 9:51 a.m.YUL-ORD
2h 31mdirect
C$ 248Air Canada
Find Deal
sam., 20 sept. - sam., 27 sept.
Air Canada Logo
7:15 a.m. - 10:20 a.m.ORD-YUL
2h 05mdirect
Air Canada Logo
9:25 a.m. - 11:18 a.m.YUL-ORD
2h 53mdirect
C$ 249Air Canada
Find Deal
jeu., 6 nov. - dim., 9 nov.
Air Canada Logo
8:40 a.m. - 11:57 a.m.ORD-YUL
2h 17mdirect
Air Canada Logo
8:20 a.m. - 9:51 a.m.YUL-ORD
2h 31mdirect
C$ 250Air Canada
Find Deal
sam., 20 sept. - lun., 22 sept.
Logo
3:35 p.m. - 6:50 p.m.ORD-YUL
2h 15mdirect
Logo
4:09 p.m. - 10:39 p.m.YUL-ORD
7h 30m1 stop
C$ 283
Find Deal
sam., 6 sept. - lun., 8 sept.
British Airways Logo
7:00 a.m. - 3:33 p.m.ORD-YUL
7h 33m1 stop
British Airways Logo
4:09 p.m. - 10:39 p.m.YUL-ORD
7h 30m1 stop
C$ 288British Airways
Find Deal
sam., 6 sept. - lun., 8 sept.
American Airlines Logo
5:00 a.m. - 1:44 p.m.ORD-YUL
7h 44m1 stop
American Airlines Logo
5:15 p.m. - 6:50 p.m.YUL-ORD
2h 35mdirect
C$ 292American Airlines
Find Deal
dim., 14 sept. - sam., 20 sept.
American Airlines Logo
7:10 a.m. - 1:49 p.m.ORD-YUL
5h 39m1 stop
American Airlines Logo
2:29 p.m. - 11:40 p.m.YUL-ORD
10h 11m1 stop
C$ 293American Airlines
Find Deal
sam., 8 nov. - mer., 12 nov.
Delta Logo
7:20 a.m. - 5:50 p.m.ORD-YUL
9h 30m1 stop
Delta Logo
6:55 p.m. - 11:54 p.m.YUL-ORD
5h 59m1 stop
C$ 325Delta
Find Deal
jeu., 18 sept. - lun., 22 sept.
Logo
10:38 a.m. - 2:00 p.m.ORD-YUL
2h 22mdirect
Logo
9:25 a.m. - 11:18 a.m.YUL-ORD
2h 53mdirect
C$ 343
Find Deal
mer., 29 oct. - lun., 3 nov.
Delta Logo
6:45 a.m. - 5:34 p.m.ORD-YUL
9h 49m1 stop
Delta Logo
6:41 p.m. - 11:57 p.m.YUL-ORD
6h 16m1 stop
C$ 363Delta
Find Deal
ven., 10 oct. - mer., 15 oct.

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

Our best Air Canada deals on Chicago O'Hare Intl Airport to Montreal flight tickets
Air Canada
20 Sep
ORD10:40 a.m.Chicago O'Hare Intl
2h 14m
YUL1:54 p.m.Montreal Pierre Elliott Trudeau Intl
27 Sep
YUL8:20 a.m.Montreal Pierre Elliott Trudeau Intl
2h 31m
ORD9:51 a.m.Chicago O'Hare Intl
C$ 248
Find similar
Air Canada
6 Nov
ORD7:15 a.m.Chicago O'Hare Intl
2h 05m
YUL10:20 a.m.Montreal Pierre Elliott Trudeau Intl
9 Nov
YUL9:25 a.m.Montreal Pierre Elliott Trudeau Intl
2h 53m
ORD11:18 a.m.Chicago O'Hare Intl
C$ 249
Find similar
Air Canada
20 Sep
ORD8:40 a.m.Chicago O'Hare Intl
2h 17m
YUL11:57 a.m.Montreal Pierre Elliott Trudeau Intl
22 Sep
YUL8:20 a.m.Montreal Pierre Elliott Trudeau Intl
2h 31m
ORD9:51 a.m.Chicago O'Hare Intl
C$ 250
Find similar

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Montreal flight tickets
United Airlines
6 Sep
ORD6:00 a.m.Chicago O'Hare Intl
6h 09m
1 stop
YUL1:09 p.m.Montreal Pierre Elliott Trudeau Intl
8 Sep
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
2h 38m
ORD11:23 a.m.Chicago O'Hare Intl
C$ 411
Find similar
United Airlines
19 Aug
ORD7:11 a.m.Chicago O'Hare Intl
2h 29m
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
27 Aug
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
2h 38m
ORD11:23 a.m.Chicago O'Hare Intl
C$ 517
Find similar
United Airlines
21 Aug
ORD6:00 p.m.Chicago O'Hare Intl
2h 29m
YUL9:29 p.m.Montreal Pierre Elliott Trudeau Intl
27 Aug
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
6h 49m
1 stop
ORD11:49 a.m.Chicago O'Hare Intl
C$ 538
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Montreal 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 96,600 searches. Data last updated 7 août 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sam. 20/9

10:40 a.m.-1:54 p.m.

Nonstop2h 14m

Montreal Pierre Elliott Trudeau Intl

sam. 27/9

8:20 a.m.-9:51 a.m.

Nonstop2h 31m

C$ 248

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jeu. 6/11

7:15 a.m.-10:20 a.m.

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

dim. 9/11

9:25 a.m.-11:18 a.m.

Nonstop2h 53m

C$ 249

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sam. 20/9

8:40 a.m.-11:57 a.m.

Nonstop2h 17m

Montreal Pierre Elliott Trudeau Intl

lun. 22/9

8:20 a.m.-9:51 a.m.

Nonstop2h 31m

C$ 250

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sam. 6/9

3:35 p.m.-6:50 p.m.

Nonstop2h 15m

Montreal Pierre Elliott Trudeau Intl

lun. 8/9

4:09 p.m.-10:39 p.m.

1 stop7h 30m

C$ 283

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sam. 6/9

7:00 a.m.-3:33 p.m.

1 stop7h 33m

Montreal Pierre Elliott Trudeau Intl

lun. 8/9

4:09 p.m.-10:39 p.m.

1 stop7h 30m

C$ 288

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

dim. 14/9

5:00 a.m.-1:44 p.m.

1 stop7h 44m

Montreal Pierre Elliott Trudeau Intl

sam. 20/9

5:15 p.m.-6:50 p.m.

Nonstop2h 35m

C$ 292

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sam. 8/11

7:10 a.m.-1:49 p.m.

1 stop5h 39m

Montreal Pierre Elliott Trudeau Intl

mer. 12/11

2:29 p.m.-11:40 p.m.

1 stop10h 11m

C$ 293

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jeu. 18/9

7:20 a.m.-5:50 p.m.

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

lun. 22/9

6:55 p.m.-11:54 p.m.

1 stop5h 59m

C$ 325

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

mer. 29/10

10:38 a.m.-2:00 p.m.

Nonstop2h 22m

Montreal Pierre Elliott Trudeau Intl

lun. 3/11

9:25 a.m.-11:18 a.m.

Nonstop2h 53m

C$ 343

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

ven. 10/10

6:45 a.m.-5:34 p.m.

1 stop9h 49m

Montreal Pierre Elliott Trudeau Intl

mer. 15/10

6:41 p.m.-11:57 p.m.

1 stop6h 16m

C$ 363

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 Montreal from

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

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 Montreal?

The cheapest month to fly to Montreal from Chicago O'Hare Intl Airport is in September. Flight prices, which tend to average around C$ 418, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Montreal from Chicago O'Hare Intl Airport during April instead. Flights to Montreal in April, while not as cheap as those in September, still average around C$ 461.

What is the cheapest day to depart on your flight to Montreal?

Our data shows that Monday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 278. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Montreal for around C$ 869.

What is the cheapest time of day to depart on your flight to Montreal?

Our data shows that the cheapest Chicago O'Hare Intl Airport to Montreal flights are usually those with departure times at noon. Our users have found flights to Montreal at noon for as low as C$ 370. Flights in the afternoon are often more expensive with an average ticket price of C$ 686.

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

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

How far in advance should I book a flight to Montreal?

You are more likely to see cheaper flights to Montreal from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 554 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Chicago O'Hare Intl Airport for as low as C$ 371 on momondo.

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

There are 2 cabin classes available to choose from on Chicago O'Hare Intl to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of August 2025, prices for Chicago O'Hare Intl Airport to Montreal flights are approximately 22% cheaper when compared to flights at the same time last year.

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

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

Cheap Chicago O'Hare Intl Airport to Montreal (ORD to YMQ) flight deals and tips

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

Best price found

C$ 78

Fastest flight time

2h 05m

Direct flights

Every day

Airports in Montreal

1 airport
The best one-way flight to Montreal from Chicago O'Hare Intl Airport in the past 72 hours is C$ 78. The best round-trip flight deal from Chicago O'Hare Intl Airport to Montreal found on momondo in the last 72 hours is C$ 248.
The fastest flight from Chicago O'Hare Intl Airport to Montreal takes 2h 05m
Direct flights go from Chicago O'Hare Intl Airport to Montreal every day.
There is 1 airport near Montreal: Montreal Pierre Elliott Trudeau Intl (YUL)
Search flight deals

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

    The distance between Chicago O'Hare Intl and Montreal is about 1213.9 km. A reasonable flight in good conditions will take 2h 05m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Montreal are updated daily.

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

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

    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 Chicago O'Hare Intl Airport to Montreal.

  • What documentation or ID do you need to fly to Montreal?

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Montreal with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 304Free CancellationRating
7.1
9,893 reviews
Search Air Canada flights

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

    Across 42 Air Canada flights from Chicago O'Hare Intl Airport to Montreal this week, the average price was C$ 482, with the best Air Canada deals starting from C$ 221 round-trip. 9,893 users have rated Air Canada on momondo, with an average score of 7.1/10.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Montreal . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo helps you find the best flight between Chicago and Montreal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Chicago to Montreal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Canada

Fly into one of these airports located in Montreal

Airports listed have a maximum distance of 15.1 km from Montreal
Montreal St Hubert Airport
Montreal Pierre Elliott Trudeau Intl Airport