What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

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

145 flights are operational weekly from Chicago O'Hare Intl Airport to Montreal as of December 2025. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.

What is the most punctual flight time for Chicago to Montreal flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

The number of flights available between Chicago O'Hare Intl Airport and Montreal is 20 per day as of December 2025. The most frequent departure time is 5:00p.m., with 54% of daily flights leaving at noon.

How often are flights from Chicago to Montreal delayed?

Historically, on average around 15% of flights between Chicago and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

Which airline has the best punctuality record on Chicago to Montreal flights?

According to our data, American Airlines has had the least delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

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

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

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

The number of operators available for flights from Chicago O'Hare Intl Airport to Montreal is 1 as of December 2025.

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.

C$ 77 Cheap Flights from Chicago O'Hare Intl Airport to Montreal in 2025/26

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Find the cheapest flights from Chicago O'Hare Intl Airport to Montreal

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:56 p.m. - 12:24 p.m.

ORD

YUL

14h 28m1 stop

3:50 p.m. - 5:50 p.m.

YUL

ORD

3h 00mdirect

C$ 273American Airlines

Mon, 2 Feb - Fri, 6 Feb

5:32 p.m. - 1:45 p.m.

ORD

YUL

19h 13m1 stop

7:00 a.m. - 6:01 p.m.

YUL

ORD

12h 01m1 stop

C$ 294American Airlines

Mon, 2 Feb - Fri, 6 Feb

12:50 p.m. - 4:01 p.m.

ORD

YUL

2h 11mdirect

10:10 a.m. - 3:10 p.m.

YUL

ORD

6h 00m1 stop

C$ 306Air Canada

Thu, 5 Feb - Sun, 8 Feb

6:15 a.m. - 1:42 p.m.

ORD

YUL

6h 27m1 stop

6:00 a.m. - 9:41 a.m.

YUL

ORD

4h 41m1 stop

C$ 325Delta

Thu, 5 Feb - Sun, 8 Feb

6:15 a.m. - 1:40 p.m.

ORD

YUL

6h 25m1 stop

7:00 a.m. - 1:34 p.m.

YUL

ORD

7h 34m1 stop

C$ 327Delta

Sat, 14 Feb - Tue, 17 Feb

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

ORD

YUL

2h 05mdirect

3:35 p.m. - 11:22 a.m.

YUL

ORD

20h 47m2 stops

C$ 342Multiple Airlines

Mon, 9 Feb - Mon, 9 Feb

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

ORD

YUL

2h 05mdirect

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

YUL

ORD

3h 00mdirect

C$ 354Air Canada

Thu, 19 Feb - Mon, 23 Feb

12:50 p.m. - 4:01 p.m.

ORD

YUL

2h 11mdirect

1:10 p.m. - 2:55 p.m.

YUL

ORD

2h 45mdirect

C$ 359Air Canada

Sat, 31 Jan - Tue, 3 Feb

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

ORD

YUL

2h 05mdirect

6:25 p.m. - 8:10 p.m.

YUL

ORD

2h 45mdirect

C$ 361Air Canada

Mon, 9 Feb - Mon, 9 Feb

11:46 a.m. - 3:05 p.m.

ORD

YUL

2h 19mdirect

3:55 p.m. - 5:55 p.m.

YUL

ORD

3h 00mdirect

C$ 363American Airlines

Fri, 20 Feb - Mon, 23 Feb

Delta flights from Chicago O'Hare Intl Airport to Montreal

Our best Delta deals on Chicago O'Hare Intl Airport to Montreal flight tickets

Delta

5 Feb

ORD6:15 a.m.Chicago O'Hare Intl

6h 27m

1 stop

YUL1:42 p.m.Montreal Pierre Elliott Trudeau Intl

8 Feb

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

4h 41m

1 stop

ORD9:41 a.m.Chicago O'Hare Intl

C$ 325

Find similar

Delta

14 Feb

ORD6:15 a.m.Chicago O'Hare Intl

6h 25m

1 stop

YUL1:40 p.m.Montreal Pierre Elliott Trudeau Intl

17 Feb

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

7h 34m

1 stop

ORD1:34 p.m.Chicago O'Hare Intl

C$ 327

Find similar

Delta

21 Feb

ORD6:30 a.m.Chicago O'Hare Intl

4h 32m

1 stop

YUL12:02 p.m.Montreal Pierre Elliott Trudeau Intl

22 Feb

YUL6:00 p.m.Montreal Pierre Elliott Trudeau Intl

6h 57m

1 stop

ORD11:57 p.m.Chicago O'Hare Intl

C$ 394

Find similar

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

5 Feb

ORD12:50 p.m.Chicago O'Hare Intl

2h 11m

YUL4:01 p.m.Montreal Pierre Elliott Trudeau Intl

8 Feb

YUL10:10 a.m.Montreal Pierre Elliott Trudeau Intl

6h 00m

1 stop

ORD3:10 p.m.Chicago O'Hare Intl

C$ 306

Find similar

Air Canada

19 Feb

ORD7:15 a.m.Chicago O'Hare Intl

2h 05m

YUL10:20 a.m.Montreal Pierre Elliott Trudeau Intl

23 Feb

YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl

3h 00m

ORD6:45 p.m.Chicago O'Hare Intl

C$ 354

Find similar

Air Canada

31 Jan

ORD12:50 p.m.Chicago O'Hare Intl

2h 11m

YUL4:01 p.m.Montreal Pierre Elliott Trudeau Intl

3 Feb

YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl

2h 45m

ORD2:55 p.m.Chicago O'Hare Intl

C$ 359

Find similar

momondo Fare Finder

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

Mon 2/2

8:56 p.m.-12:24 p.m.

1 stop14h 28m

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

3:50 p.m.-5:50 p.m.

Nonstop3h 00m

C$ 273

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 2/2

5:32 p.m.-1:45 p.m.

1 stop19h 13m

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

7:00 a.m.-6:01 p.m.

1 stop12h 01m

C$ 294

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 5/2

12:50 p.m.-4:01 p.m.

Nonstop2h 11m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

10:10 a.m.-3:10 p.m.

1 stop6h 00m

C$ 306

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 5/2

6:15 a.m.-1:42 p.m.

1 stop6h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

6:00 a.m.-9:41 a.m.

1 stop4h 41m

C$ 325

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 14/2

6:15 a.m.-1:40 p.m.

1 stop6h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 17/2

7:00 a.m.-1:34 p.m.

1 stop7h 34m

C$ 327

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 9/2

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

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

3:35 p.m.-11:22 a.m.

2 stops20h 47m

C$ 342

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 19/2

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

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

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

Nonstop3h 00m

C$ 354

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 31/1

12:50 p.m.-4:01 p.m.

Nonstop2h 11m

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

1:10 p.m.-2:55 p.m.

Nonstop2h 45m

C$ 359

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 9/2

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

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

6:25 p.m.-8:10 p.m.

Nonstop2h 45m

C$ 361

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 20/2

11:46 a.m.-3:05 p.m.

Nonstop2h 19m

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

3:55 p.m.-5:55 p.m.

Nonstop3h 00m

C$ 363

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

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$ 250, 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$ 279.

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$ 307. When flying out on a Saturday, 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$ 657.

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$ 362. Flights in the morning are often more expensive with an average ticket price of C$ 533.

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$ 534 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$ 313 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 December 2025, prices for Chicago O'Hare Intl Airport to Montreal flights are approximately 4% more expensive 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$ 108
Fastest flight time	2h 05m
Direct flights	Every day
Airports in Montreal	2 airports

The best one-way flight to Montreal from Chicago O'Hare Intl Airport in the past 72 hours is C$ 108. The best round-trip flight deal from Chicago O'Hare Intl Airport to Montreal found on momondo in the last 72 hours is C$ 307.

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?
The number of operators available for flights from Chicago O'Hare Intl Airport to Montreal is 1 as of December 2025.
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?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Montreal, the leading plane model is Embraer 175 (Enhanced Winglets), making up 23.38% of the total bookings. Other popular models include Boeing 787 Dreamliner with 8.88%, Embraer 170 with 8.85%, and Boeing 787-10 Dreamliner with 8.29%.

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 Canada	PriceFrom C$ 339	Free Cancellation	Rating 7.1 10,516 reviews		Search Air Canada flights

Air Canada Flights From Chicago O'Hare Intl Airport to Montreal
Across 34 Air Canada flights from Chicago O'Hare Intl Airport to Montreal this week, the average price was C$ 583, with the best Air Canada deals starting from C$ 339 round-trip. 10,516 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

Montreal St Hubert Airport

Montreal Pierre Elliott Trudeau Intl Airport

Popular Cities in Canada

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Cheap flights from Chicago O'Hare Intl Airport to Montreal from C$ 77

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Big names, great deals

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Filter for what you want

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Find the cheapest flights from Chicago O'Hare Intl Airport to Montreal

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Delta flights from Chicago O'Hare Intl Airport to Montreal

Our best Delta deals on Chicago O'Hare Intl Airport to Montreal flight tickets

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

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montreal that are best for you.

See travel insights to Montreal from

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

What is the cheapest month to fly to Montreal?

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

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$ 362. Flights in the morning are often more expensive with an average ticket price of C$ 533.

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?

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 December 2025, prices for Chicago O'Hare Intl Airport to Montreal flights are approximately 4% more expensive when compared to flights at the same time last year.

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

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

How often are flights from Chicago to Montreal delayed?

Historically, on average around 15% of flights between Chicago and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

What is the most punctual flight time for Chicago to Montreal flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to Montreal flights?

According to our data, American Airlines has had the least delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

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

The number of flights available between Chicago O'Hare Intl Airport and Montreal is 20 per day as of December 2025. The most frequent departure time is 5:00p.m., with 54% of daily flights leaving at noon.

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

145 flights are operational weekly from Chicago O'Hare Intl Airport to Montreal as of December 2025. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.

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

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

Fastest flight time

Direct flights

Airports in Montreal

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

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

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?

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

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Montreal 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.

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