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Cheap flights from Chicago O'Hare Intl Airport to Montreal from C$ 90

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 2/6. 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

Enter your travel dates to find the best prices.
Air Canada Logo
12:50 p.m. - 4:05 p.m.
ORD
-
YUL
2h 15mdirect
Air Canada Logo
9:15 a.m. - 10:53 a.m.
YUL
-
ORD
2h 38mdirect
C$ 277Air Canada
Fri, 10 Apr - Mon, 13 Apr
United Airlines Logo
6:00 p.m. - 9:17 p.m.
ORD
-
YUL
2h 17mdirect
United Airlines Logo
4:45 p.m. - 6:45 p.m.
YUL
-
ORD
3h 00mdirect
C$ 279United Airlines
Tue, 17 Feb - Thu, 19 Feb
United Airlines Logo
7:10 a.m. - 1:28 p.m.
ORD
-
YUL
5h 18m
1 stop
United Airlines Logo
4:45 p.m. - 6:45 p.m.
YUL
-
ORD
3h 00mdirect
C$ 291United Airlines
Tue, 17 Feb - Thu, 19 Feb
Air Canada Logo
12:50 p.m. - 3:55 p.m.
ORD
-
YUL
2h 05mdirect
Air Canada Logo
9:15 a.m. - 10:53 a.m.
YUL
-
ORD
2h 38mdirect
C$ 293Air Canada
Fri, 27 Mar - Tue, 31 Mar
United Airlines Logo
10:35 a.m. - 2:00 p.m.
ORD
-
YUL
2h 25mdirect
United Airlines Logo
9:15 a.m. - 6:41 p.m.
YUL
-
ORD
10h 26m
1 stop
C$ 299United Airlines
Tue, 17 Feb - Sat, 21 Feb
American Airlines Logo
6:40 a.m. - 3:20 p.m.
ORD
-
YUL
7h 40m
1 stop
American Airlines Logo
12:30 p.m. - 2:10 p.m.
YUL
-
ORD
2h 40mdirect
C$ 306American Airlines
Wed, 1 Apr - Tue, 14 Apr
United Airlines Logo
8:50 a.m. - 3:16 p.m.
ORD
-
YUL
5h 26m
1 stop
United Airlines Logo
9:15 a.m. - 6:41 p.m.
YUL
-
ORD
10h 26m
1 stop
C$ 312United Airlines
Tue, 17 Feb - Sat, 21 Feb
United Airlines Logo
8:50 a.m. - 3:16 p.m.
ORD
-
YUL
5h 26m
1 stop
United Airlines Logo
9:15 a.m. - 2:20 p.m.
YUL
-
ORD
6h 05m
1 stop
C$ 313United Airlines
Tue, 17 Feb - Thu, 19 Feb
American Airlines Logo
8:19 a.m. - 11:44 a.m.
ORD
-
YUL
2h 25mdirect
American Airlines Logo
7:20 a.m. - 7:22 p.m.
YUL
-
ORD
13h 02m
1 stop
C$ 314American Airlines
Sat, 18 Apr - Sat, 25 Apr
Air Canada Logo
8:40 a.m. - 11:51 a.m.
ORD
-
YUL
2h 11mdirect
Air Canada Logo
1:20 p.m. - 2:55 p.m.
YUL
-
ORD
2h 35mdirect
C$ 316Air Canada
Mon, 20 Apr - Thu, 30 Apr

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
17 Feb
ORD6:00 p.m.Chicago O'Hare Intl
2h 17m
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
19 Feb
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
3h 00m
ORD6:45 p.m.Chicago O'Hare Intl
C$ 279
United Airlines
17 Feb
ORD7:10 a.m.Chicago O'Hare Intl
5h 18m
1 stop
YUL1:28 p.m.Montreal Pierre Elliott Trudeau Intl
19 Feb
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
3h 00m
ORD6:45 p.m.Chicago O'Hare Intl
C$ 291
United Airlines
17 Feb
ORD10:35 a.m.Chicago O'Hare Intl
2h 25m
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl
21 Feb
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
10h 26m
1 stop
ORD6:41 p.m.Chicago O'Hare Intl
C$ 299

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Montreal flight tickets
American Airlines
1 Apr
ORD6:40 a.m.Chicago O'Hare Intl
7h 40m
1 stop
YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl
14 Apr
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
2h 40m
ORD2:10 p.m.Chicago O'Hare Intl
C$ 306
American Airlines
18 Apr
ORD8:19 a.m.Chicago O'Hare Intl
2h 25m
YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl
25 Apr
YUL7:20 a.m.Montreal Pierre Elliott Trudeau Intl
13h 02m
1 stop
ORD7:22 p.m.Chicago O'Hare Intl
C$ 314
American Airlines
17 Feb
ORD8:54 p.m.Chicago O'Hare Intl
17h 28m
1 stop
YUL3:22 p.m.Montreal Pierre Elliott Trudeau Intl
19 Feb
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
8h 38m
1 stop
ORD3:08 p.m.Chicago O'Hare Intl
C$ 328

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 28 January 2026.
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

Fri 10/4

12:50 p.m.-4:05 p.m.

Nonstop2h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

9:15 a.m.-10:53 a.m.

Nonstop2h 38m

C$ 277

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 17/2

6:00 p.m.-9:17 p.m.

Nonstop2h 17m

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

4:45 p.m.-6:45 p.m.

Nonstop3h 00m

C$ 279

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 17/2

7:10 a.m.-1:28 p.m.

1 stop5h 18m

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

4:45 p.m.-6:45 p.m.

Nonstop3h 00m

C$ 291

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 27/3

12:50 p.m.-3:55 p.m.

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

9:15 a.m.-10:53 a.m.

Nonstop2h 38m

C$ 293

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 17/2

10:35 a.m.-2:00 p.m.

Nonstop2h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

9:15 a.m.-6:41 p.m.

1 stop10h 26m

C$ 299

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 1/4

6:40 a.m.-3:20 p.m.

1 stop7h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

12:30 p.m.-2:10 p.m.

Nonstop2h 40m

C$ 306

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 17/2

8:50 a.m.-3:16 p.m.

1 stop5h 26m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

9:15 a.m.-6:41 p.m.

1 stop10h 26m

C$ 312

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 17/2

8:50 a.m.-3:16 p.m.

1 stop5h 26m

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

9:15 a.m.-2:20 p.m.

1 stop6h 05m

C$ 313

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 18/4

8:19 a.m.-11:44 a.m.

Nonstop2h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 25/4

7:20 a.m.-7:22 p.m.

1 stop13h 02m

C$ 314

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 20/4

8:40 a.m.-11:51 a.m.

Nonstop2h 11m

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

1:20 p.m.-2:55 p.m.

Nonstop2h 35m

C$ 316

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 November. Flight prices, which tend to average around C$ 247, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Montreal from Chicago O'Hare Intl Airport during October instead. Flights to Montreal in October, while not as cheap as those in November, still average around C$ 276.

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

Our data shows that Thursday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 294. When flying out on a Wednesday, 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$ 678.

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$ 302. Flights in the morning are often more expensive with an average ticket price of C$ 528.

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$ 542 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$ 305 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 January 2026, prices for Chicago O'Hare Intl Airport to Montreal flights are approximately 13% 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

Fastest flight time

2h 05m

Direct flights

Every day

Airports in Montreal

2 airports
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 are 2 airports in Montreal. From Chicago O'Hare Intl Airport there are direct flights to 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$ 302Free CancellationRating
7.1
10,666 reviews
Search Air Canada flights

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

    Across 32 Air Canada flights from Chicago O'Hare Intl Airport to Montreal this week, the average price was C$ 659, with the best Air Canada deals starting from C$ 302 round-trip. 10,666 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