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Cheap Flights from St. Louis to Montreal $289.38

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Cheapest Flights from St. Louis to Montreal (STL to YUL)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to Montreal (STL to YUL)

Question : How long are most people's visits to Montreal when they fly in from Saint Louis?
Answer : The average time spent in Montreal by passengers flying from STL is four days.

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : For the month of February, the cheapest day to fly is Tuesday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.

Question : Are prices changing frequently for this route?
Answer : Prices for STL to YUL do change a lot more than most. Remember, you can save by booking further in advance.

Question : What's the likelihood of you being delayed on this route?
Answer : STL to YUL currently scores 0.2 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delayed minutes. With 0.2 stars, you should plan on being extra flexible with your arrival plans.