Cheap flights from St. Louis to Montreal from CA$414

Traveling between St. Louis and Montreal, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, MidAmerica St. Louis, Columbia Regional, General Wayne A. Downing Peoria International, Evansville Regional, Abraham Lincoln Capital, Central Illinois Regional, Quincy Regional, Cape Girardeau Regional, Waynesville-St. Robert Regional

There are a number of airports in and around Montreal. The main one is Montréal–Pierre Elliott Trudeau International and other nearby airports include Ottawa Macdonald–Cartier International, Burlington International, Québec City Jean Lesage International, Ogdensburg International, Plattsburgh International, Massena International, Lebanon Municipal, Adirondack Regional.

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from St. Louis, such as morning, afternoon, evening, or night, or select the exact hours for departure.

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Montreal, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from St. Louis, such as morning, afternoon, evening, or night, or select the exact hours for departure.

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Montreal, such as morning, afternoon, evening, or night, or select the exact hours for arrival.