Flight prices from Montreal to Chicago O'Hare

There’s no fixed price — fares between Montreal and Chicago can vary a lot by day or time.

The lowest fare seen in the past 15 days was $264.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Is there more than one airport in Montreal or Chicago?

Even short-haul routes can benefit from considering secondary airports. It may open up more flight times or cheaper fares.

• Airports in Montreal: Montreal has 2 airports - Saint-Hubert, Trudeau International.
• Airports in Chicago: Chicago has 3 airports - Midway, O'Hare, Rockford.

Airports with more daily flights offer more flexibility if plans change or delays occur. If you’re flexible, consider airports near Chicago as well.

Filter and compare flights from Montreal to Chicago O'Hare

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Other popular destinations

Want more ideas for your trip to United States? Check these: Atlanta, Los Angeles, Miami, New York City, Orlando.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.