How much is a ticket from Montreal Trudeau to Chicago O'Hare?

Depending on when you travel and how far in advance you book, fares between Montreal and Chicago can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Are there multiple airports in Montreal and Chicago?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

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

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Compare flights from Montreal Trudeau to Chicago O'Hare with advanced filters

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If you have a preferred time to leave or arrive, filters can help you show only the matching flights. You can also filter by your favorite airline and see only those deals.