CA $294 Cheap Flights from St. Louis (STL) to Montreal (YUL)

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

Prices were available within the past 7 days and start at CA $294 for one-way flights and CA $598 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
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American Airlines
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Air Canada
Flight from St. Louis to Montreal (STL - YUL) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
CA $598
Distance
1547 km

St. Louis to Montreal Flights

The easy way to book your flights from St. Louis to Montreal 

With Expedia, it’s simple to find and book flights to Montreal from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Air Canada, United Airlines nonstop flights to Pierre Elliott Trudeau Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Montreal today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Pierre Elliott Trudeau Intl., YUL 

Sort your search results by price to find great deals on your flight from St. Louis to Montreal—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Montreal from St. Louis currently is just CA $598 rising to CA $667.  

Here are more money-saving tips: 

  • Fly in July when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Montreal  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Montreal from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Montreal with Expedia today.

Frequently asked questions

How much is a flight from St. Louis Lambert International Airport to Montréal--Trudeau?
Start packing your bags, because round-trip flights between Lambert Field and YUL start from CA $598. That’s based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to Pierre Elliott Trudeau Intl. Airport (YUL)?
The majority of flights can be canceled online, but whether you are charged a fee differs between airlines. If you do need to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Montreal 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 St. Louis Lambert International Airport to YUL flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lambert Field to Montreal Airport?
The flight distance from Lambert Field to Montréal–Trudeau is 1,550 kilometers. Pack yourself a snack, a drink and an interesting book to read. Keep yourself busy in the air and the hours will zip by.
Which airlines fly direct from St. Louis Lambert International Airport to Pierre Elliott Trudeau Intl. Airport (YUL)?
If you want to travel straight from St. Louis Lambert International Airport to YUL, you’ll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route.
Are Lambert Field to Montreal Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so it’s no sure thing. While last-minute flight deals between STL and YUL are possible, it’s also a good idea to keep an eye on prices well before you fly. In fact, some carriers advertise their prices up to a year before the departure date. Expedia is continuously updating the best bargains around, so keep checking and be ready to lock in your seat when the price is right.
*Available to Expedia members.