$215 Cheap flights from Lambert-St. Louis Intl. to Pierre Elliott Trudeau Intl. (STL to YUL)

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Lambert-St. Louis Intl. to Pierre Elliott Trudeau Intl.

Compare Flight Prices from St. Louis to Montreal

Affordable Airfare Tickets from STL to YUL Airport

The cheapest flights to Pierre Elliott Trudeau Intl. found within the past 7 days were $478 round trip and $215 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Are there direct flights from STL to Pierre Elliott Trudeau Intl. Airport (YUL)?
If you want to travel as fast as possible from Lambert-St. Louis Intl. Airport (STL) to Montreal Airport, try United Airlines, Air Canada and American Airlines. No airlines advertise nonstop flights on this route, so you'll have to make at least one stopover.
How long is the flight from Lambert-St. Louis Intl. Airport (STL) to YUL?
Begin your travels feeling rested and relaxed by having a snooze and a snack during your flight to Montréal–Trudeau. With a travel time of around 4 hours and 11 minutes from St. Louis Lambert International Airport, you'll have plenty of time to enjoy both.
What is the flight distance from Lambert Field to Montreal Airport?
Between Lambert Field and Pierre Elliott Trudeau Intl. Airport (YUL), the flight distance is about 970 mi. So, order a glass of wine and kick back. You've got some important decisions to make — start on a new series, finish your novel or close your eyes and sleep?
What airlines fly from Lambert-St. Louis Intl. Airport (STL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
With no direct flights on offer between St. Louis Lambert International Airport and Pierre Elliott Trudeau Intl. Airport (YUL), at least one stopover will be unavoidable. You will be better off planning ahead in order to secure the easiest route and save some time.
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.

Flight information from St. Louis to Montreal

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
Pierre Elliott Trudeau Intl.
Shortest Flight Time
hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$478

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Montreal-Pierre Elliott Trudeau International Airport


Distance:
1,212.00 miles


Airlines & Aircraft Used on STL to YUL Flight Routes


Airline Carrier
Aircraft
Air Canada
Airbus A320-100/200
American Airlines
Airbus A319
United Airlines
Aerospatiale/Alenia ATR 42/ ATR 72

Discover our best flights from St. Louis STL to Montreal YUL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Montreal YUL at the right price  

Airfares to Montreal YUL from St. Louis STL currently cost between $478 and $584. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Montreal YUL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Montreal YUL on Travelocity starting at $215. Prices and availability subject to change. Additional terms may apply. 

 

Get to Montreal YUL from St. Louis STL quicker with direct flights. 

Get to Montreal faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to YUL from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Montreal YUL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to YUL from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Montreal YUL today 

If you’re flexible about when you travel, December is usually the cheapest month to fly from St. Louis STL to Montreal YUL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Montreal YUL from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to YUL from STL have this option.  

 

Travel with confidence when you book flights to Montreal YUL from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

Explore More Ways to Travel with Travelocity

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.