Cheap flights from Chicago to Montreal from $40
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Montreal departing on 10/1. 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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Delta flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport
Our best Delta deals on Chicago to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Porter Airlines flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport
Our best Porter Airlines deals on Chicago to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
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How to get the cheapest flight ticket from Chicago 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 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?
The month of October is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Chicago averaging around $342.
What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?
The cheapest day to depart from Chicago 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 $680. Flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will generally be more expensive and average around $831. 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?
In the evening 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 $280. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the evening 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 $829.
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?
You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Chicago when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around $408 when searching 19 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 $260 on momondo.
What cabin class options are available on Chicago to Montreal Pierre Elliott Trudeau Intl flights?
There are 4 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 June 2025, prices for Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 49% cheaper 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?
Air Canada, American Airlines, and Delta are the most popular carriers operating from Chicago to Montreal Pierre Elliott Trudeau Intl
What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?
Air Canada, American Airlines and United Airlines are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Chicago according to our data. Air Canada is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 4 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.
How many flights depart from Chicago to Montreal Pierre Elliott Trudeau Intl Airport on average per day?
The number of flights available between Chicago and Montreal Pierre Elliott Trudeau Intl Airport is 25 per day as of June 2025. The most frequent departure time is 5:00PM, with 66% of daily flights leaving in the afternoon.
How many flights depart from Chicago to Montreal Pierre Elliott Trudeau Intl Airport on average per week?
178 flights are operational weekly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport as of June 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.
When to book flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport
Cheap Chicago to Montreal Pierre Elliott Trudeau Intl Airport (CHI to YUL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport
How far is Chicago to Montreal Pierre Elliott Trudeau Intl by plane?
The distance between Chicago and Montreal Pierre Elliott Trudeau Intl is about 734.8 mi. 2h 12m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?
Prices for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport refresh daily.
How many operators does momondo search for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?
There are 4 operators available for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport as of June 2025.
How old do you have to be to fly from Chicago 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 to Montreal Pierre Elliott Trudeau Intl Airport.
What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?
The travel and health documents required for your trip to Montreal Pierre Elliott Trudeau Intl Airport 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 Montreal Pierre Elliott Trudeau Intl Airport. 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 Chicago to Montreal Pierre Elliott Trudeau Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Montreal Pierre Elliott Trudeau Intl Airport is Embraer 175 (Enhanced Winglets), representing 21.78% of all bookings. The subsequent popular models are Embraer 175 at 16.96%, Boeing 737 MAX 8 at 14.24%, and Boeing 787 Dreamliner at 6.51%.
What is the most popular airline from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?
Based on momondo bookings for flights between Chicago and Montreal Pierre Elliott Trudeau Intl Airport, the leading airline is Air Canada, making up 62% of the total bookings. Other popular airlines include Porter Airlines with 15%, American Airlines with 12%, and United Airlines with 11%.
Best airlines flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport
Compare and see reviews for airlines that fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $151 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom $187 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $215 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $249 | Free Cancellation | Rating 8.0 288 reviews |
United Airlines Flights From Chicago to Montreal Pierre Elliott Trudeau Intl Airport
United Airlines is one of the most popular airlines flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport, operating 40 flights/week on average for this route. A good United Airlines flight deal for Chicago to Montreal Pierre Elliott Trudeau Intl Airport starts from $215 round-trip, up to an average price of $353. Our users have rated United Airlines at 7.4/10.
American Airlines Flights From Chicago to Montreal Pierre Elliott Trudeau Intl Airport
Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Chicago to Montreal Pierre Elliott Trudeau Intl Airport about 13 times each week, with ticket deals ranging from $187 to $405. Price data is based on momondo searches in the last 72 hours.
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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?
Yes. All flights to Montreal from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
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.