Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago from $102
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago departing on 9/14. 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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American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago
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Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago
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How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Chicago
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 Chicago?
The month of September is, on average, the cheapest month to fly to Chicago from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around $290. If you’re not able to fly to Chicago in September, then June is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Chicago during June average around $305.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $424. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Chicago for around $586.
What is the cheapest time of day to depart on your flight to Chicago?
Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago during this time can be as low as $488. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $493.
What is the cheapest Montreal Pierre Elliott Trudeau Intl to Chicago flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl for the best Montreal Pierre Elliott Trudeau Intl - Chicago flight prices
How far in advance should I book a flight to Chicago?
You are more likely to see cheaper flights to Chicago from Montreal Pierre Elliott Trudeau Intl Airport when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $389 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Montreal Pierre Elliott Trudeau Intl Airport for as low as $210 on momondo.
What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to Chicago flights?
There are 4 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Chicago 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago flights?
You could potentially save up to 22% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Chicago flight.
How have Montreal Pierre Elliott Trudeau Intl Airport to Chicago flight prices changed over time?
As of June 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to Chicago flights are approximately 1% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Chicago?
Air Canada, Porter Airlines, and Delta are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Chicago
What airlines fly to Chicago?
Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to Chicago from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 5 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to Chicago on average per day?
The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and Chicago is 28 per day as of June 2025. The most frequent departure time is 9:00AM, with 50% of daily flights leaving in the afternoon.
How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to Chicago on average per week?
201 flights are operational weekly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago as of June 2025. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.
When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago
Cheap Montreal Pierre Elliott Trudeau Intl Airport to Chicago (YUL to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago
How far is Montreal Pierre Elliott Trudeau Intl to Chicago by plane?
The distance between Montreal Pierre Elliott Trudeau Intl and Chicago is about 734.8 mi. Flights usually cover this in 2h 26m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago refresh daily.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago?
There are 5 operators available for flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago as of June 2025.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to Chicago?
momondo data reveals that the most frequently booked plane model on the route from Montreal Pierre Elliott Trudeau Intl Airport to Chicago is Embraer 175 (Enhanced Winglets), representing 27.95% of all bookings. The subsequent popular models are Embraer 175 at 17.23%, Boeing 737 MAX 8 at 11.26%, and Airbus A220-300 at 8.56%.
What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Chicago?
Based on momondo bookings for flights between Montreal Pierre Elliott Trudeau Intl Airport and Chicago, the leading airline is Air Canada, making up 60% of the total bookings. Other popular airlines include American Airlines with 19%, Porter Airlines with 16%, and United Airlines with 6%.
Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago
Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $112 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $217 | Free Cancellation | Rating 8.0 288 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $334 | Free Cancellation | Rating 7.2 2,868 reviews |
United Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to Chicago
The lowest priced United Airlines flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago from the last 72 hours was $112. Generally, United Airlines has 40 flights on this route every week with an average price of $534. United Airlines is rated 7.4/10 by our users.
American Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to Chicago
$275 is the best American Airlines flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Chicago found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $388, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into Chicago from Montreal Pierre Elliott Trudeau Intl Airport 13 times in an average week so prices can vary.
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Why should I use momondo to find a flight deal from Montreal to Chicago?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Chicago. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Montreal to Chicago with flexible booking policies on momondo?
Yes. All flights to Chicago from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Montreal to Chicago?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Montreal.
I’m not ready to book a flight from Montreal to Chicago right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Montreal to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.