Book Cheap American Airlines flight from St. Louis (STL) to Montreal (YUL) from CA $421

Find The Best Day to Book a Cheap American Airlines Flights From St. Louis to Montreal

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

The cheapest flights to Pierre Elliott Trudeau Intl. found within the past 7 days were CA $959 round trip and CA $421 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from St. Louis Lambert International Airport to Montréal--Trudeau right now?
It’s wise to learn about any quarantine requirements and travel advice reports in effect in your destination. Make sure you go to the Covid-19 Travel Advisor for up-to-date information on catching a flight to Pierre Elliott Trudeau Intl. Airport (YUL) from St. Louis Lambert International Airport.
What terminal is American Airlines at St. Louis Lambert International Airport?
You should find out exactly which terminal American Airlines departs from at Lambert Field once you’ve seen your boarding pass. The same applies to information about your arrival at YUL. If you can’t locate those details, contact your airline.
Are there American Airlines non-stop flights from STL to YUL?
Unfortunately, you can’t fly direct from Lambert Field to Montréal–Trudeau with American Airlines. Be prepared to make at least one stopover if you have to travel with this airline on this route.
How long is an American Airlines flight from STL to YUL?
As it will take roughly 4 hours and 1 minute for your American Airlines flight to get from Lambert-St. Louis Intl. Airport (STL) to Montréal–Trudeau, consider putting a few travel games in your hand luggage. You never know — the person sitting beside you might love a challenge to break up the trip.
How many direct and indirect flights does American Airlines fly from STL to YUL?
There are about 3 flights daily with American Airlines from Lambert Field to Montreal Airport.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to YUL, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Grab a great American Airlines flight from STL to YUL 

To find a great deal on American Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights. 

Flying American Airlines St. Louis to Montreal gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.  

 

Find cheap flights with American Airlines between St. Louis and Montreal 

American Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from St. Louis to Montreal with American Airlines are December.  

The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.  

 

Reasons to book your American Airlines flights with Travelocity 

Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.  

American Airlines Airports
Hop on a(n) American Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DFWUSADallas-Fort Worth Intl.599
CLTUSACharlotte-Douglas Intl.536
ORDUSAO'Hare Intl.317
PHLUSAPhiladelphia Intl.247
MIAUSAMiami Intl.193
DCAUSARonald Reagan Washington National152
PHXUSASky Harbor Intl.141
LAXUSALos Angeles Intl.81
LGAUSALaGuardia72
BOSUSALogan Intl.57

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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
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