What’s the cost of a flight from Montreal to Chicago O'Hare?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Montreal and Chicago.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Flying from or to Montreal and Chicago? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Montreal: You have 2 departure options - Saint-Hubert, Trudeau International.
• Airports in Chicago: Arrivals into Chicago are possible from 3 airports - Midway, O'Hare, Rockford.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Customize your flight from Montreal to Chicago O'Hare

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from Ryanair, Easyjet, British Airways, Expedia, eDreams, and more.

Other popular destinations

Thinking about United States? You might also consider: Atlanta, Los Angeles, Miami, New York City, Orlando.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.