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Cheap Flights from Montreal to St. Louis $225.02

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

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

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

Question : How many days should you spend in Saint Louis if you're flying in from Montreal?
Answer : The average time spent in Saint Louis by passengers flying from YUL is 15 days.

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : Saturday is your cheapest day to fly in December. Being flexible with your travel days garners you even more savings during your booking.

Question : How often are prices changing for this route?
Answer : Prices are fluctuating a lot more for this route than most routes. Remember, the sooner you book, the more you're able to save.

Question : In terms of overall promptness, how does YUL to STL rank compared to the rest of the world?
Answer : Using the combined on-time percentage and average delay breakdown, Montreal to Saint Louis currently has a 0.1 out of a possible 5 star rating. A 0.1 rating means you should plan on being extra flexible with your arrival plans.