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

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Frequently asked questions

How much is a flight from Montréal--Trudeau to Lambert-St. Louis Intl. Airport (STL)?
If you’re planning on traveling from YUL to STL, round-trip flights start from . This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don’t let a good deal slip through your fingers. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from YUL to St. Louis Lambert International Airport?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Montreal Airport to St. Louis Lambert International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Montreal Airport to Lambert Field flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Lambert-St. Louis Intl. Airport (STL)?
Expect to be soaring through the sky for a while, as the flight distance from Pierre Elliott Trudeau Intl. Airport (YUL) to STL is 1,550 kilometers. Set up a playlist of your favorite tunes before leaving home to keep yourself entertained during the journey.
Which airlines fly direct from Pierre Elliott Trudeau Intl. Airport (YUL) to STL?
Unfortunately, there aren’t any airlines that directly fly between YUL and Lambert-St. Louis Intl. Airport (STL). You’ll need to book a flight with one or more stops.
Are YUL to Lambert Field flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Pierre Elliott Trudeau Intl. Airport (YUL) to STL at the last minute could be your ticket to a cheap deal. However, it could end up costing a good deal more! If you’d rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back regularly as deals are updated on Expedia all the time.
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