Skip to content

Get United's best fares today on flights from Montreal to Saint Louis

Select journey type

Enter to select travel class and passengers

Looking for additional flights from Montreal to Saint Louis?

There are no flight results that match your filtered criteria based on user searches within the last 24 hours.

Weather in Saint Louis

Sunday light rain
49°F 12/08/19
Monday light rain
60°F 12/09/19
Tuesday overcast clouds
33°F 12/10/19
Wednesday sky is clear
44°F 12/11/19
Thursday broken clouds
43°F 12/12/19
Friday scattered clouds
46°F 12/13/19
Saturday broken clouds
47°F 12/14/19
Powered by: OpenWeatherMap.org