Flight prices from Chicago O'Hare to Montreal Trudeau

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

The lowest fare seen in the past 15 days was Can$152.

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.

Which airports serve Chicago and Montreal?

When planning a trip of about 1200 km, it's a good idea to check flights from surrounding airports too.

• Airports in Chicago: Chicago is connected to 3 airports - Midway, O'Hare, Rockford.
• Airports in Montreal: Montreal offers flights from 2 airports - Saint-Hubert, Trudeau International.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Choose the right flight for your trip from Chicago O'Hare to Montreal Trudeau

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from the best airlines and travel agencies.

Other popular destinations

Flying to Canada? Many users also explore: Calgary, Edmonton, Montreal, Toronto, Vancouver.

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