What is the cheapest airline to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

Cheapflights users have booked flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport round-trip from C$ 236. This flight start at 60% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport one-way?

The cheapest airlines for a one-way flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport are Air Canada (C$ 180), United Airlines (C$ 226), and American Airlines (C$ 238).

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

What are the most reliable airlines from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Montreal Pierre Elliott Trudeau Intl Airport on time: Finnair (89%), Avianca (81%), Republic Airways (80%).

How can I find direct flights from Chicago to Pierre Elliott Trudeau Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Pierre Elliott Trudeau Intl.

Can I find deals for business class flights from Chicago to Pierre Elliott Trudeau Intl?

Yes. Cheapflights offers flight deals from Chicago to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 205+ Cheap Flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

Cheapflights Tip: The best prices from Chicago to Montreal Pierre Elliott Trudeau Intl are usually found in February or April, booked 40 days in advance, depart on a Tuesday or Friday and return on a Thursday

Cheap flight deals from Chicago to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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Cheapest flights from Chicago to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Chicago to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2026.

Fri 4/1212:15 p.m. -

1 stop8h 56m

Sat 5/129:45 a.m. -

1 stop8h 55m

Deal found 27/10C$ 440

Thu 26/116:41 a.m. -

1 stop6h 01m

Tue 1/1212:10 p.m. -

Nonstop3h 05m

Deal found 27/10C$ 441

Fri 4/1212:15 p.m. -

1 stop8h 56m

Wed 13/112:40 p.m. -

1 stop5h 50m

Deal found 27/10C$ 443

Wed 2/1212:15 p.m. -

1 stop8h 56m

Sat 5/129:45 a.m. -

1 stop8h 55m

Deal found 27/10C$ 444

Wed 18/1112:15 p.m. -

1 stop8h 55m

Fri 27/119:45 a.m. -

1 stop8h 55m

Deal found 26/10C$ 445

Thu 24/127:05 a.m. -

Nonstop2h 12m

Fri 1/19:10 a.m. -

1 stop7h 28m

Deal found 27/10C$ 447

Mon 7/1212:15 p.m. -

1 stop5h 51m

Wed 9/129:45 a.m. -

1 stop8h 55m

Deal found 27/10C$ 448

Tue 1/1212:15 p.m. -

1 stop5h 51m

Mon 7/129:45 a.m. -

1 stop8h 55m

Deal found 27/10C$ 451

Mon 7/1212:15 p.m. -

1 stop5h 51m

Tue 8/129:45 a.m. -

1 stop8h 55m

Deal found 27/10C$ 452

Thu 24/127:05 a.m. -

Nonstop2h 12m

Thu 31/128:50 a.m. -

2 stops7h 48m

Deal found 27/10C$ 454

Wed 30/1212:15 p.m. -

1 stop5h 51m

Wed 6/19:45 a.m. -

1 stop8h 45m

Deal found 26/10C$ 457

Fri 4/1212:15 p.m. -

1 stop8h 56m

Sat 12/129:45 a.m. -

1 stop8h 55m

Deal found 26/10C$ 459

Best flights from Chicago to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Chicago to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

Sun 6/126:49 a.m. -

1 stop9h 44m

Mon 7/126:39 p.m. -

1 stop6h 17m

Deal found 27/10C$ 462

Fri 25/1210:33 a.m. -

Nonstop2h 27m

Fri 25/124:45 p.m. -

Nonstop3h 00m

Deal found 30/10C$ 553

Sat 5/127:00 a.m. -

1 stop5h 28m

Mon 7/1210:10 a.m. -

1 stop6h 28m

Deal found 26/10C$ 578

Wed 17/312:20 p.m. -

1 stop5h 46m

Fri 26/39:45 a.m. -

1 stop8h 45m

Deal found 26/10C$ 624

Fri 13/113:59 p.m. -

1 stop6h 49m

Sun 15/116:00 a.m. -

1 stop8h 59m

Deal found 25/10C$ 552

Tue 1/1210:37 a.m. -

Nonstop2h 23m

Sat 5/126:00 a.m. -

Nonstop3h 00m

Deal found 27/10C$ 553

Fri 11/125:54 p.m. -

Nonstop2h 23m

Sun 13/1210:10 a.m. -

1 stop6h 28m

Deal found 30/10C$ 594

Fri 27/118:50 a.m. -

1 stop5h 26m

Fri 4/124:45 p.m. -

Nonstop3h 01m

Deal found 30/10C$ 567

Tue 15/125:30 p.m. -

1 stop5h 11m

Fri 18/127:10 a.m. -

1 stop10h 40m

Deal found 27/10C$ 571

Wed 2/1210:55 a.m. -

1 stop7h 53m

Sun 6/123:00 p.m. -

2 stops6h 55m

Deal found 30/10C$ 614

Fri 27/1111:19 a.m. -

1 stop7h 28m

Mon 30/112:30 p.m. -

1 stop8h 48m

Deal found 25/10C$ 571

Tue 15/1210:37 a.m. -

Nonstop2h 23m

Mon 21/126:00 a.m. -

Nonstop3h 08m

Deal found 27/10C$ 616

Mon 23/116:00 a.m. -

1 stop10h 27m

Mon 30/116:00 a.m. -

1 stop7h 51m

Deal found 28/10C$ 574

Thu 3/126:00 a.m. -

1 stop10h 33m

Mon 7/127:00 a.m. -

1 stop10h 16m

Deal found 28/10C$ 574

Tue 1/126:41 p.m. -

1 stop3h 52m

Wed 9/126:00 a.m. -

1 stop8h 01m

Deal found 29/10C$ 603

Wed 25/115:13 p.m. -

1 stop5h 35m

Tue 1/126:00 a.m. -

1 stop4h 37m

Deal found 30/10C$ 603

Fri 27/115:29 p.m. -

1 stop5h 01m

Fri 4/126:00 a.m. -

1 stop8h 01m

Deal found 30/10C$ 603

Fri 11/121:02 p.m. -

1 stop9h 46m

Sun 13/127:00 a.m. -

1 stop10h 16m

Deal found 29/10C$ 603

Fri 4/129:37 a.m. -

1 stop5h 22m

Wed 13/16:00 a.m. -

1 stop8h 17m

Deal found 28/10C$ 631

Thu 26/1112:05 p.m. -

1 stop6h 42m

Tue 1/127:00 a.m. -

1 stop6h 04m

Deal found 27/10C$ 644

Wed 31/312:30 p.m. -

1 stop10h 05m

Sat 3/46:00 a.m. -

1 stop7h 33m

Deal found 28/10C$ 688

Thu 4/26:00 a.m. -

1 stop10h 35m

Wed 10/26:40 p.m. -

1 stop6h 15m

Deal found 28/10C$ 688

Find flight deals from Chicago to Pierre Elliott Trudeau Intl

Round-trip from	C$ 438
One-way from	C$ 205
Popular in	January
Cheapest in	February
Average price	C$ 605
Good round-trip deal	C$ 532 or less
Good one-way deal	C$ 280 or less

Porter Airlines
4/2-10/2
2 total stops
11h 35m total
Chicago to Montreal

Search Deals

Air Transat
11/12-31/12
1 total stop
8h 56m total
Chicago to Montreal

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 95 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.

Search Deals

Price to beat on a one-way flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Wed 23/12

12:15 p.m.-7:06 p.m.

1 stop5h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 226

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Sat 12/12

1:55 p.m.-9:45 p.m.

1 stop6h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 240

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Wed 30/12

12:15 p.m.-7:06 p.m.

1 stop5h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 240

ChicagoMontreal

MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl

MDWYUL

Chicago Midway

Sat 12/12

1:41 p.m.-11:33 p.m.

1 stop8h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 246

ChicagoMontreal

MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl

MDWYUL

Chicago Midway

Thu 12/11

1:31 p.m.-11:27 p.m.

1 stop8h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 246

Quickest round-trip

ChicagoMontreal

MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl

MDWYUL

Chicago Midway

Fri 11/12

6:41 p.m.-11:33 p.m.

1 stop3h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 246

ChicagoMontreal

MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl

MDWYUL

Chicago Midway

Mon 16/11

12:30 p.m.-11:30 p.m.

1 stop10h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 246

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Wed 23/12

1:26 p.m.-11:29 p.m.

1 stop9h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 246

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Wed 25/11

9:00 a.m.-7:48 p.m.

1 stop9h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 254

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Tue 1/12

10:05 a.m.-6:43 p.m.

2 stops7h 38m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 254

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 42 resultsSorted by cheapest first

...

Best time to book a flight from Chicago to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Chicago with our price prediction graph.

CHI-YUL

ORD-YUL

MDW-YUL

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

CHI-YUL

ORD-YUL

MDW-YUL

What is the cheapest month to book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 381). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to YUL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

How much does it cost to fly round-trip from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Airfare is below average for this route at the moment.

Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 513 and C$ 753 in February.
The cheapest round-trip price found within the last 5 days was C$ 438 on Multiple Airlines (4 Feb-10 Feb).

How often are flights from Chicago to Montreal delayed?

About 21% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 139 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, American Airlines has had the lowest number of delays on this route, with just 14% of flights being delayed.

How far ahead should I book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get a feel of what it's like to fly with Air Canada from Chicago to Montreal Pierre Elliott Trudeau Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

11,835 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Oct 2026

FRA - YUL

Every time I have traveled with Lufthansa, during the descent, I experience significant pain in my ears, head, and chest—as if the decompression is happening too quickly.

Air Canada

7.1

Good

11,835 reviews

Air Canada

7.1

Good

11,835 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Oct 2026

FRA - YUL

Every time I have traveled with Lufthansa, during the descent, I experience significant pain in my ears, head, and chest—as if the decompression is happening too quickly.

Related info for your journey

How long is the flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?
There are many flights that can get you from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in 2h 27m. Fly via Delta or United Airlines to get the fastest option. Airlines will cover a distance of 1199 km. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport round-trip?
Cheapflights users have booked flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport round-trip from C$ 236. This flight start at 60% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport one-way?
The cheapest airlines for a one-way flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport are Air Canada (C$ 180), United Airlines (C$ 226), and American Airlines (C$ 238).
What are the most reliable airlines from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Montreal Pierre Elliott Trudeau Intl Airport on time: Finnair (89%), Avianca (81%), Republic Airways (80%).
What are the cheapest flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?
Looking at all options, your cheapest flight can be booked for C$ 205. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 419 on average, our data indicates C$ 816 when flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport.
Can I find deals for flights from Chicago to Pierre Elliott Trudeau Intl that include hotel bookings?
Yes. In addition to deals on Chicago to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Chicago to Pierre Elliott Trudeau Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Pierre Elliott Trudeau Intl.
Can I find deals for business class flights from Chicago to Pierre Elliott Trudeau Intl?
Yes. Cheapflights offers flight deals from Chicago to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 381). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of C$ 655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Laval

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Brossard

Sherbrooke

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Cornwall

Boucherville

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Magog

Montebello

Saint-Jean-sur-Richelieu

Drummondville

North Hatley

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Top airline flying from Chicago to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 236	AverageC$ 489	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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How does Cheapflights help users find flights from Chicago to Pierre Elliott Trudeau Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chicago to Pierre Elliott Trudeau Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 205

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chicago to Pierre Elliott Trudeau Intl

Cheapest flights from Chicago to Pierre Elliott Trudeau IntlExplore the most affordable flight options available from Chicago to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2026.

Explore the most affordable flight options available from Chicago to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2026.

Best flights from Chicago to Pierre Elliott Trudeau IntlDiscover carefully curated flight deals from Chicago to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

Discover carefully curated flight deals from Chicago to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

Direct flights from Chicago to Pierre Elliott Trudeau IntlExplore direct flight options from Chicago to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 October 2026.

Explore direct flight options from Chicago to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 October 2026.

Last-minute flights from Chicago to Pierre Elliott Trudeau IntlDiscover last-minute flight deals from Chicago to Pierre Elliott Trudeau Intl. Data last updated 31 October 2026 and is based on user searches.

Discover last-minute flight deals from Chicago to Pierre Elliott Trudeau Intl. Data last updated 31 October 2026 and is based on user searches.

One-way flights from Chicago to Pierre Elliott Trudeau IntlSearch for one-way flight options from Chicago to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 31 October 2026.

Search for one-way flight options from Chicago to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 31 October 2026.

Find flight deals from Chicago to Pierre Elliott Trudeau Intl

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One-way from

Popular in

Cheapest in

Average price

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Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Chicago to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Chicago with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

What is the cheapest time of day to fly from CHI to YUL?

Find hourly flight availability from Chicago to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

How much does it cost to fly round-trip from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Airfare is below average for this route at the moment.

Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 513 and C$ 753 in February.The cheapest round-trip price found within the last 5 days was C$ 438 on Multiple Airlines (4 Feb-10 Feb).

How often are flights from Chicago to Montreal delayed?

About 21% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 139 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, American Airlines has had the lowest number of delays on this route, with just 14% of flights being delayed.

How far ahead should I book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get a feel of what it's like to fly with Air Canada from Chicago to Montreal Pierre Elliott Trudeau Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

What is the cheapest airline to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

What are the cheapest airlines to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport one-way?

What are the most reliable airlines from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

What are the cheapest flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Can I find deals for flights from Chicago to Pierre Elliott Trudeau Intl that include hotel bookings?

How can I find direct flights from Chicago to Pierre Elliott Trudeau Intl?

Can I find deals for business class flights from Chicago to Pierre Elliott Trudeau Intl?

What is the cheapest month to book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

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Alternative routes for Chicago to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Pierre Elliott Trudeau Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Quebec

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Search flights from Chicago to Pierre Elliott Trudeau Intl by cabin class

Find flights from Chicago to Pierre Elliott Trudeau Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Chicago and Pierre Elliott Trudeau Intl flights

Browse other Chicago and Pierre Elliott Trudeau Intl flight options. Last updated on 31 October 2026.

Other flights from Chicago

Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on 31 October 2026.

Other flights to Pierre Elliott Trudeau Intl

Explore flights to Pierre Elliott Trudeau Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 31 October 2026.

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Top airline flying from Chicago to Pierre Elliott Trudeau Intl

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How does Cheapflights help users find flights from Chicago to Pierre Elliott Trudeau Intl?

Why should you use Cheapflights to find cheap flight tickets from Chicago to Pierre Elliott Trudeau Intl?

Can Cheapflights find flights from Chicago to Pierre Elliott Trudeau Intl with no change fees?

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Cheapest flights from Chicago to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Chicago to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2026.

Best flights from Chicago to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Chicago to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

Direct flights from Chicago to Pierre Elliott Trudeau Intl
Explore direct flight options from Chicago to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 October 2026.

Last-minute flights from Chicago to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from Chicago to Pierre Elliott Trudeau Intl. Data last updated 31 October 2026 and is based on user searches.

One-way flights from Chicago to Pierre Elliott Trudeau Intl
Search for one-way flight options from Chicago to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 31 October 2026.

Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 513 and C$ 753 in February.
The cheapest round-trip price found within the last 5 days was C$ 438 on Multiple Airlines (4 Feb-10 Feb).