Question 1

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

Accepted Answer

The month of October is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Chicago, with most prices found around C$ 357. The month of September is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Chicago averaging around C$ 395.

Question 2

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

Accepted Answer

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

Question 3

How often are flights from Chicago to Montreal delayed?

Accepted Answer

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 134 minutes.

Question 4

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

Accepted Answer

At noon is the cheapest time of day to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 366. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around C$ 539. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 5

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

Accepted Answer

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Chicago 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 C$ 556 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 for as low as C$ 331 on momondo.

Question 6

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

Accepted Answer

There are 2 cabin classes available to choose from on Chicago 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.

Question 7

How have Chicago to Montreal Pierre Elliott Trudeau Intl Airport flight prices changed over time?

Accepted Answer

As of December 2025, prices for Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 40% more expensive when compared to flights at the same time last year.

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

As of December 2025, 145 flights take off from Chicago and land in Montreal Pierre Elliott Trudeau Intl Airport each week. The most common flight departure day for this route is Tue, with 15% of weekly flights taking off on this day.

Question 10

Can stopping save me money on Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Chicago to Montreal Pierre Elliott Trudeau Intl Airport.

Question 11

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

Accepted Answer

According to our data, American Airlines has had the least delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

Question 12

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

Accepted Answer

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Monday when prices can be found for as low as C$ 310. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 665.

Question 13

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

Accepted Answer

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.

Question 14

What is the typical price of a round-trip flight between Chicago and Montreal Pierre Elliott Trudeau Intl Airport?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from C$ 440 to C$ 805.
The lowest price recently found on this route was C$ 267.

Question 15

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

Accepted Answer

United Airlines, Air Canada, and Porter Airlines are the most popular carriers operating from Chicago to Montreal Pierre Elliott Trudeau Intl

Question 16

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

Accepted Answer

As of December 2025, there are 20 flights per day flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport. The most common time of day flights depart is 10:00a.m., with 52% of flights taking off at noon.

Question 17

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

Accepted Answer

Prices for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport are updated daily.

Question 18

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

Accepted Answer

There is 1 operator available for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport as of December 2025.

Question 19

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Montreal Pierre Elliott Trudeau Intl Airport.

Question 20

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

Accepted Answer

The necessary travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best price found	C$ 109
Fastest flight time	2h 05m
Direct flights	Every day

Cheap flights from Chicago to Montreal from C$ 89

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What is the typical price of a round-trip flight between Chicago and Montreal Pierre Elliott Trudeau Intl Airport?

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

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 to Montreal Pierre Elliott Trudeau Intl flight route?

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

There are 2 cabin classes available to choose from on Chicago 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.

Can stopping save me money on Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Chicago to Montreal Pierre Elliott Trudeau Intl Airport.

How have Chicago to Montreal Pierre Elliott Trudeau Intl Airport flight prices changed over time?

As of December 2025, prices for Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 40% more expensive when compared to flights at the same time last year.

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

United Airlines, Air Canada, and Porter Airlines are the most popular carriers operating from Chicago to Montreal Pierre Elliott Trudeau Intl

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 134 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?

Sunday is statistically the day of the week that experiences the fewest 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, American Airlines has had the least delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

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

As of December 2025, there are 20 flights per day flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport. The most common time of day flights depart is 10:00a.m., with 52% of flights taking off at noon.

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

As of December 2025, 145 flights take off from Chicago and land in Montreal Pierre Elliott Trudeau Intl Airport each week. The most common flight departure day for this route is Tue, with 15% of weekly flights taking off on this day.

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

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

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

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

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

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

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