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

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

Which airports are most convenient between Chicago and Montreal?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Chicago: There are 3 airports in Chicago - Midway, O'Hare, Rockford.
• Airports in Montreal: In Montreal you can fly to/from 2 airports - Saint-Hubert, Trudeau International.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Explore flights from Chicago O'Hare to Montreal Trudeau your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in Canada? Check out: Calgary, Edmonton, Montreal, Toronto, Vancouver.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.