Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Flights via Toronto (YTZ) offer the lowest average round-trip price of $280.

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

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

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

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Toronto (YYZ) has the shortest average layover time for this route: 1h 22m.

How often are flights from Chicago to Montreal delayed?

Historically, on average around 13% 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 140 minutes.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Flights connecting via Toronto (YTZ) have the shortest average one-way travel time: 4h 17m.

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

According to our data, Delta have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

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

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Chicago O'Hare Intl Airport according to our data. Air Canada is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 3 different airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport?

Toronto (YTZ) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The required travel and health documents for your Montreal Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$124 Cheap Flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in 2025/26

Q: How many flights depart from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport on average per day?

28 flights are operational daily from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport as of October 2025. The most popular departure time for this route is 2:00PM, with 40% of flights per day taking off in the afternoon.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

6:40 am - 3:20 pmORD-YUL

7h 40m1 stop

7:30 am - 6:34 pmYUL-ORD

12h 04m1 stop

$212American Airlines

Find Deal

Thu, Jan 29 - Sun, Feb 1

7:00 am - 4:01 pmORD-YUL

8h 01m1 stop

6:00 am - 9:35 amYUL-ORD

4h 35m1 stop

$236Delta

Find Deal

Thu, Feb 12 - Sun, Feb 15

10:35 am - 2:00 pmORD-YUL

2h 25mnonstop

6:00 am - 8:05 amYUL-ORD

3h 05mnonstop

$256Air Canada

Find Deal

Fri, Jan 2 - Tue, Jan 6

11:50 am - 3:00 pmORD-YUL

2h 10mnonstop

3:45 pm - 5:45 pmYUL-ORD

3h 00mnonstop

$262American Airlines

Find Deal

Sat, Feb 21 - Sat, Feb 28

11:50 am - 3:00 pmORD-YUL

2h 10mnonstop

3:45 pm - 5:45 pmYUL-ORD

3h 00mnonstop

$263American Airlines

Find Deal

Tue, Mar 31 - Wed, Apr 1

1:35 pm - 11:12 pmORD-YUL

8h 37m1 stop

12:45 pm - 9:14 pmYUL-ORD

9h 29m1 stop

$264Delta

Find Deal

Mon, Mar 2 - Mon, Mar 9

7:15 am - 10:20 amORD-YUL

2h 05mnonstop

11:10 am - 3:10 pmYUL-ORD

5h 00m1 stop

$271Air Canada

Find Deal

Thu, Feb 12 - Sun, Feb 15

4:58 pm - 10:20 pmORD-YUL

28h 22m2 stops

8:00 am - 11:02 pmYUL-ORD

16h 02m1 stop

$297Multiple Airlines

Find Deal

Tue, Dec 2 - Sun, Dec 7

1:10 pm - 8:32 pmORD-YUL

6h 22m1 stop

9:25 am - 10:57 amYUL-ORD

2h 32mnonstop

$298Multiple Airlines

Find Deal

Sat, Mar 28 - Mon, Mar 30

11:48 am - 3:10 pmORD-YUL

2h 22mnonstop

3:48 pm - 5:48 pmYUL-ORD

3h 00mnonstop

$348Porter Airlines

Find Deal

Tue, Nov 25 - Sun, Nov 30

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets

American Airlines

Jan 29

ORD6:40 amChicago O'Hare Intl

7h 40m

1 stop

YUL3:20 pmMontreal Pierre Elliott Trudeau Intl

Feb 1

YUL7:30 amMontreal Pierre Elliott Trudeau Intl

12h 04m

1 stop

ORD6:34 pmChicago O'Hare Intl

$212

Find similar

American Airlines

Feb 21

ORD11:50 amChicago O'Hare Intl

2h 10m

YUL3:00 pmMontreal Pierre Elliott Trudeau Intl

Feb 28

YUL3:45 pmMontreal Pierre Elliott Trudeau Intl

3h 00m

ORD5:45 pmChicago O'Hare Intl

$262

Find similar

American Airlines

Mar 31

ORD11:50 amChicago O'Hare Intl

2h 10m

YUL3:00 pmMontreal Pierre Elliott Trudeau Intl

Apr 1

YUL3:45 pmMontreal Pierre Elliott Trudeau Intl

3h 00m

ORD5:45 pmChicago O'Hare Intl

$263

Find similar

Delta flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

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

Delta

Feb 12

ORD7:00 amChicago O'Hare Intl

8h 01m

1 stop

YUL4:01 pmMontreal Pierre Elliott Trudeau Intl

Feb 15

YUL6:00 amMontreal Pierre Elliott Trudeau Intl

4h 35m

1 stop

ORD9:35 amChicago O'Hare Intl

$236

Find similar

Delta

Mar 2

ORD1:35 pmChicago O'Hare Intl

8h 37m

1 stop

YUL11:12 pmMontreal Pierre Elliott Trudeau Intl

Mar 9

YUL12:45 pmMontreal Pierre Elliott Trudeau Intl

9h 29m

1 stop

ORD9:14 pmChicago O'Hare Intl

$264

Find similar

Delta

Nov 25

ORD2:35 pmChicago O'Hare Intl

7h 51m

1 stop

YUL11:26 pmMontreal Pierre Elliott Trudeau Intl

Jan 4

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

9h 13m

1 stop

ORD3:13 pmChicago O'Hare Intl

$327

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 1/29

6:40 am-3:20 pm

1 stop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

7:30 am-6:34 pm

1 stop12h 04m

$212

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 2/12

7:00 am-4:01 pm

1 stop8h 01m

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

6:00 am-9:35 am

1 stop4h 35m

$236

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 1/2

10:35 am-2:00 pm

Nonstop2h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 1/6

6:00 am-8:05 am

Nonstop3h 05m

$256

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/21

11:50 am-3:00 pm

Nonstop2h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 2/28

3:45 pm-5:45 pm

Nonstop3h 00m

$262

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 3/31

11:50 am-3:00 pm

Nonstop2h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 4/1

3:45 pm-5:45 pm

Nonstop3h 00m

$263

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 3/2

1:35 pm-11:12 pm

1 stop8h 37m

Montreal Pierre Elliott Trudeau Intl

Mon 3/9

12:45 pm-9:14 pm

1 stop9h 29m

$264

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 2/12

7:15 am-10:20 am

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

11:10 am-3:10 pm

1 stop5h 00m

$271

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 12/2

4:58 pm-10:20 pm

2 stops28h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

8:00 am-11:02 pm

1 stop16h 02m

$297

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 3/28

1:10 pm-8:32 pm

1 stop6h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 3/30

9:25 am-10:57 am

Nonstop2h 32m

$298

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 11/25

11:48 am-3:10 pm

Nonstop2h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 11/30

3:48 pm-5:48 pm

Nonstop3h 00m

$348

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 Pierre Elliott Trudeau 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

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of January is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Chicago O'Hare Intl Airport averaging around $328.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport is on a Thursday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will often find tickets for as low as $649. Flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will generally be more expensive and average around $830. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

At noon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $601. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $813.

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

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

How far in advance should I book a flight to Montreal Pierre Elliott Trudeau Intl Airport?

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Chicago O'Hare Intl Airport for as low as $237 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport flight prices changed over time?

As of October 2025, prices for Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 51% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport (ORD to YUL) flight deals and tips

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

Best Price Found	$232
Fastest flight time	2h 05m
Direct flights	Every day

The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Chicago O'Hare Intl Airport in the past 72 hours is $232. The best round-trip flight deal from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $437.

The fastest flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport takes 2h 05m

Direct flights go from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport every day.

Search flight deals

How far is Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl by plane?
There are 744.9 mi between Chicago O'Hare Intl and Montreal Pierre Elliott Trudeau Intl. Typically, this will take 2h 05m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
Prices for flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
There are 3 operators available for flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport as of October 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau 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 Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport.
What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?
The required travel and health documents for your Montreal Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau 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 Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport is Embraer 175 (Enhanced Winglets) (22.74% of total bookings). The next most popular plane models are Embraer 175 (14.65%), Airbus A220-300 (8.47%), and Boeing 737 MAX 8 (7.54%).
What is the most popular airline from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport, the leading airline is Air Canada, making up 67% of the total bookings. Other popular airlines include United Airlines with 17% and American Airlines with 16%.

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $161	Free Cancellation	Rating 7.1 10,337 reviews	Search Air Canada flights
American Airlines	PriceFrom $192	Free Cancellation	Rating 7.2 11,023 reviews	Search American Airlines flights
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 8,991 reviews	Search United Airlines flights

United Airlines Flights From Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport
United Airlines operates around 43 flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport every week. The average price of these flights found in the last 72 hours has been $409, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from as low as $256 round-trip. United Airlines has been scored 7.4/10 in 8,991 reviews.
American Airlines Flights From Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport
American Airlines is also a popular choice for this route. American Airlines flight deals for Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport start from as low as $192 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $405. American Airlines operates 10 flights to Montreal Pierre Elliott Trudeau Intl Airport from Chicago O'Hare Intl Airport in an average week. Users have rated it 7.2/10 across 11,024 reviews.

Laval

Dorval

Brossard

Longueuil

Magog

Trois-Rivières

Boucherville

Cornwall

Drummondville

Sherbrooke

Montebello

Saint-Sauveur

Bromont

Saint-Jean-sur-Richelieu

North Hatley

Sutton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montreal from Chicago.

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

Flights from Chicago to Montreal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Chicago to Montreal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

An easier way to manage your Montreal Pierre Elliott Trudeau 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 11/19

Wed 11/26

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Montreal

Cheap flights from Chicago O'Hare Intl Airport to Montreal from $124

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets

Delta flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

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

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau Intl Airport?

The month of January is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Chicago O'Hare Intl Airport averaging around $328.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

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

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

How far in advance should I book a flight to Montreal Pierre Elliott Trudeau Intl Airport?

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport flight prices changed over time?

As of October 2025, prices for Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 51% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

How often are flights from Chicago to Montreal delayed?

Historically, on average around 13% 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 140 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 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?

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday 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, Delta have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport?

Toronto (YTZ) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Flights via Toronto (YTZ) offer the lowest average round-trip price of $280.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Flights connecting via Toronto (YTZ) have the shortest average one-way travel time: 4h 17m.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Toronto (YYZ) has the shortest average layover time for this route: 1h 22m.

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

28 flights are operational daily from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport as of October 2025. The most popular departure time for this route is 2:00PM, with 40% of flights per day taking off in the afternoon.

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

198 flights are operational weekly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport as of October 2025. The most popular departure day for this route is Fri, with 16% of flights per week taking off on this day.

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

Cheap Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport (ORD to YUL) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

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

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

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

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

What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

What is the most popular plane model from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

What is the most popular airline from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport with momondo

United Airlines Flights From Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

American Airlines Flights From Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

Traveling to a place near 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?