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

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to St. Louis Lambert Intl. Airport (STL)

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Frequently asked questions

How long does it take to fly from Montreal Airport to Lambert Field?
Purchase a ticket with Air Canada and you can expect to be airborne for roughly 2 hours and 35 minutes. This reputable carrier operates a direct flight that leaves at 7:30PM from YUL and touches down at Lambert-St. Louis Intl. Airport (STL) at 9:05PM. Expedia has some incredible flight deals, so take a peek at what's on offer on this route today.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to STL last minute?
When it comes to booking your flights, being prepared pays dividends. While you could pick up a last-minute deal on a Pierre Elliott Trudeau Intl. Airport (YUL) to Lambert-St. Louis Intl. Airport (STL) flight, prices usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international trips it's between three and four months.
What airports do you fly into for St. Louis from Montreal?
With Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS) to select from, getting from Montreal to St. Louis is no sweat. The city's key hub, Lambert-St. Louis Intl. Airport (STL), is about 19 kilometers northwest of the center. As well as ticket costs, consider factors like train or bus options from the airport and the distance to your hotel when choosing where to fly into. Get your St. Louis vacation off to a superb start by visiting Busch Stadium and Gateway Arch.
What are the most popular departure times for flights from YUL to Lambert Field?
Between 7:00 PM - 8:00 PM is the busiest period for Air Canada flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Lambert-St. Louis Intl. Airport (STL). Our tip? Leave in the morning. With air traffic yet to build up, your odds of catching a delay-free flight are better.
Can I change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Lambert Field?
We know plans can get upended, so Expedia is here to help make amending your flight as easy as possible. To start, access your Pierre Elliott Trudeau Intl. Airport (YUL) to STL itinerary through the Expedia Trips portal and browse the fare conditions and rules to see if you can make changes. If you booked your ticket in the last 24 hours, some carriers allow you to cancel at no cost and organize new flights. If you booked more than 24 hours ago, get in touch with us through our Customer Service portal to see how we can assist.

Travel information

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
1547 km
Average flight time
2 hours 47 mins

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