How much should you expect to spend for a flight from Chicago O'Hare to Montreal?

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

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Exploring all airports near Chicago and Montreal

Checking all the airports available in the area can give you more departure and arrival options for your trip.

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

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

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, Halifax, Montreal, 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.