Air Canada flights from Montreal to Chicago (YMQ - CHI)
Cheapflights users flying from Montreal to Chicago on Air Canada typically fly into Chicago O'Hare Intl and depart from Montreal Pierre Elliott Trudeau Intl. Select your dates above for pricing.
Air Canada flights from Montreal to Chicago in 2025
Find detailed information about Air Canada flights from Montreal to Chicago. Explore the options provided by Air Canada to plan your journey from Montreal to Chicago. Data last updated 29 April 2025.
Find Air Canada flight deals from Montreal to Chicago
Cheapest Air Canada flights from Montreal to ChicagoExplore the most affordable Air Canada flight options available from Montreal to Chicago. Find the lowest fares with prices last updated on 29 April 2025.
Explore the most affordable Air Canada flight options available from Montreal to Chicago. Find the lowest fares with prices last updated on 29 April 2025.
Travel insights for Air Canada flights from Montreal to Chicago
Get recent, data-driven insights about Air Canada flights from Montreal to Chicago including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Montreal to Chicago with Air Canada?
Use this chart to determine the optimal time to book a round-trip flight from Montreal to Chicago. Price data was last updated on 25 April 2025.
Booking with Air Canada 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Montreal to Chicago with Air Canada?
Currently, the most affordable month to book a Air Canada flight from Montreal to Chicago in May, with an average price of C$ 204. Conversely, traveling with Air Canada from Montreal to Chicago in January will be the most expensive, with an average cost of C$ 442. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
Rainfall in Chicago by month
Plan your trip to Chicago by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.
Temperature in Chicago by month
Plan your trip to Chicago by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
Best time to book a flight from Montreal to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Montreal with our price prediction graph.
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Fly from Montreal to Chicago on another airline
Consider alternative airlines that service the Chicago area. Flight routes are based on user searches made on Cheapflights and were last updated on 29 April 2025.
See what others are saying about Air Canada
Read reviews and see what other travellers are saying about their experiences with Air Canada. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Air Canada for your next flight. Reviews last updated 29 April 2025.
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