Cheap flights from Chicago to Montreal from C$ 80
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 23/11. 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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Porter Airlines flights from Chicago to Montreal
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Air Canada flights from Chicago to Montreal
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How to get the cheapest flight ticket from Chicago to Montreal
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?
What is the cheapest month to fly to Montreal?
The cheapest month to fly to Montreal from Chicago is in September. Flight prices, which tend to average around C$ 422, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Montreal from Chicago during April instead. Flights to Montreal in April, while not as cheap as those in September, still average around C$ 428.
What is the cheapest day to depart on your flight to Montreal?
Our data shows that Thursday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 506. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Montreal for around C$ 858.
What is the cheapest time of day to depart on your flight to Montreal?
Our data shows that the cheapest Chicago to Montreal flights are usually those with departure times at noon. Our users have found flights to Montreal at noon for as low as C$ 365. Flights in the afternoon are often more expensive with an average ticket price of C$ 701.
What is the cheapest Chicago to Montreal flight route?
Fly from Chicago O'Hare Intl to Montreal Pierre Elliott Trudeau Intl for the best Chicago - Montreal flight prices
How far in advance should I book a flight to Montreal?
You are more likely to see cheaper flights to Montreal from Chicago when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 555 when searching 19 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Chicago for as low as C$ 353 on momondo.
What cabin class options are available on Chicago to Montreal flights?
There are 2 cabin classes available to choose from on Chicago to Montreal 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 flights?
No. A direct flight is the cheapest option for a flight between Chicago to Montreal.
How have Chicago to Montreal flight prices changed over time?
As of June 2025, prices for Chicago to Montreal flights are approximately 18% cheaper when compared to flights at the same time last year.
How many flights depart from Chicago to Montreal on average per day?
As of June 2025, there are 26 flights per day flying from Chicago to Montreal. The most common time of day flights depart is 5:00p.m., with 66% of flights taking off in the afternoon.
How many flights depart from Chicago to Montreal on average per week?
As of June 2025, 188 flights take off from Chicago and land in Montreal each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
When to book flights from Chicago to Montreal
Cheap Chicago to Montreal (CHI to YMQ) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Montreal
How far is Chicago to Montreal by plane?
A flight from Chicago to Montreal will travel around 1197.7 km. By plane, this route typically takes 2h 12m.
When did momondo last update prices for flights from Chicago to Montreal?
Prices for flights from Chicago to Montreal are updated daily.
How many operators does momondo search for flights from Chicago to Montreal?
There is 1 operator available for flights from Chicago to Montreal as of June 2025.
How old do you have to be to fly from Chicago to Montreal?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Montreal.
What documentation or ID do you need to fly to Montreal?
The necessary travel and health documents for your Montreal 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.
What is the most popular plane model from Chicago to Montreal?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago to Montreal is Embraer 175 (Enhanced Winglets) (21.78% of total bookings). The next most popular plane models are Embraer 175 (16.96%), Boeing 737 MAX 8 (14.24%), and Boeing 787 Dreamliner (6.51%).
What is the most popular airline from Chicago to Montreal?
momondo data reveals that the most frequently booked airline on the route from Chicago to Montreal is Porter Airlines, representing 70% of all bookings. The subsequent popular airline is Air Canada at 30%.
Best airlines flying from Chicago to Montreal
Compare and see reviews for airlines that fly from Chicago to Montreal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 300 | Free Cancellation | Rating 7.1 9,554 reviews |
Air Canada Flights From Chicago to Montreal
Air Canada is one of the most popular airlines flying from Chicago to Montreal, operating 35 flights/week on average for this route. A good Air Canada flight deal for Chicago to Montreal starts from C$ 221 round-trip, up to an average price of C$ 494. Our users have rated Air Canada at 7.1/10.
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Montreal?
It is quick and easy to find Chicago to Montreal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Montreal that suits you.
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?
Yes momondo offers price alerts on flights to Montreal from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.