YUL - STL
Find cheap flights from Montreal Trudeau Airport to St. Louis
Good to know
|May||Best time to beat the crowds (17% less expensive on average)|
|August||Most popular time to fly (13% more expensive on average)|
Average price of a round-trip
|C$ 330||(avg. price over the last 2 weeks)|
Good deal for a round-trip
|C$ 296||or less|
When to book flights from Montreal Pierre Elliott Trudeau Intl to St. Louis
Top tips for finding a cheap flight
- Looking for a cheap flight? 25% of our users found flights on this route for C$ 354 or less.
- The cheapest flight from Montreal Trudeau Airport to St. Louis was found, on average, 53 days before departure.
- Book at least 3 weeks before departure in order to get a below-average price.
- High season is considered to be July, August and September. The cheapest month to fly is May.
FAQs for booking Montreal Trudeau Airport to St. Louis flights
How long does a flight from Montreal Trudeau Airport to St. Louis take?
Which airlines provide the cheapest flights from Montreal Trudeau Airport to St. Louis?
What’s the cheapest day of the week to fly from Montreal Trudeau Airport to St. Louis?
How does KAYAK find such low prices on flights from Montreal Trudeau Airport to St. Louis?
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montreal Trudeau Airport to St. Louis?
What is the Hacker Fare option on flights from Montreal Trudeau Airport to St. Louis?
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montreal Trudeau Airport to St. Louis?
Top 5 airlines serving Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis
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Montreal Trudeau Airport - St. Louis Flights
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