CA $189 Cheap Flights from St. Louis (STL) to Calgary (YYC)

Popular airlines from Lambert-St. Louis International Airport (STL) to Calgary International Airport (YYC)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

Cheap flights from St. Louis (STL) to Calgary (YYC)

Prices were available within the past 7 days and start at CA $189 for one-way flights and CA $445 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Air Canada
United
Alaska Airlines
Delta

Find the cheapest month to fly from St. Louis (STL) to Calgary (YYC)

October is typically the cheapest month to fly

From CA $409 - CA $868 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Calgary (STL - YYC) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Calgary Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, WestJet
Roundtrip price
CA $445
Distance
2284 km

St. Louis to Calgary Flights

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

With Expedia, it’s simple to find and book flights to Calgary 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 nonstop flights to Calgary 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 Calgary today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Calgary Intl., YYC 

Sort your search results by price to find great deals on your flight from St. Louis to Calgary—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Calgary from St. Louis currently is just CA $445 rising to CA $727.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Calgary  
  • 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 Calgary 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 Calgary with Expedia today.

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to Calgary Intl. Airport (YYC)?
If you're travelling between Lambert-St. Louis Intl. Airport (STL) and YYC, round-trip journeys start from CA $445. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book today and save yourself both 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 STL to YYC?
We understand that life can throw the odd curveball, so we've made it as hassle-free as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from STL to YYC Calgary International Airport that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from Lambert Field to YYC Calgary International Airport. This allows you to snag a low rate ahead of time and still have the freedom to make changes without any additional fees. Keep in mind that you'll need to cover the fare difference.
How many hours is the flight from STL to YYC Calgary International Airport?
The flight time from Lambert Field to Calgary Intl. Airport (YYC) is approximately 7 hours and 17 minutes. Put your headphones on, listen to your favourite playlist and your time in the air will fly by.
How far is the flight from Lambert Field to YYC Calgary International Airport?
You'll be up above the clouds for a while, as the flight distance from STL to YYC is 2,300 kilometres. Set up a playlist of your favourite tunes before leaving home to stay entertained during the trip.
Which airlines fly direct from Lambert Field to YYC?
You won't find any airlines flying directly between STL and YYC, so be prepared to make at least one stop on your journey. A layover can be a welcome way to break up a trip!
Are STL to Calgary Intl. Airport (YYC) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally nab a bargain, with some super cheap airfares from Lambert Field to YYC cropping up a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals regularly — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines release prices that far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.