Planning a flight from Montreal to Chicago O'Hare?

Flight prices from Montreal to Chicago change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Best airport options between Montreal and Chicago

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Montreal: Montreal is served by 2 airports - Saint-Hubert, Trudeau International.
• Airports in Chicago: In Chicago, 3 airports are available - Midway, O'Hare, Rockford.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Match your flight search to your preferences: Montreal – Chicago O'Hare

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from Expedia, Ryanair, British Airways, Easyjet, and more.

Other popular destinations

Thinking about traveling to United States? Other users also viewed: Atlanta, Los Angeles, Miami, New York City, Orlando.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.