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

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

$675 is the lowest fare found in the past 15 days.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Are there multiple airports in Chicago and Montreal?

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

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

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.

Flight filters for the route Chicago O'Hare – Montreal

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to Canada are often searched alongside: Calgary, Montreal, Quebec, Toronto, Vancouver.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.