The cheapest times to fly from STL to YYC are
- January 1st to February 25th
- August 6th to December 9th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from STL to YYC is early December. Prices can be as high as $1168 for Sunday flights during early July, or as low as $276 for Wednesday flights around early December.
When to Fly to Calgary
Flying from St. Louis, MO (STL) to Calgary (YYC) will usually cost between $291 to $683 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $293. Due to high demand the most expensive time to fly is early July, with an average price of $699. Planning your trip to low-cost times can easily save you $406 on economy flights and even more on first-class flights. Generally, any price below $359 can be considered a good price for a round-trip STL to YYC flight.
See below for a graph of average weekly prices for the STL to YYC route. All prices are for round-trip tickets in USD.
Compared to other flights, the STL to YYC flight is much cheaper than the average and costs much less than the average flight leaving from St. Louis. The average price per mile (for a direct flight) is $0.16, which is far below average.
Flight Prices by Day of the Week
Wednesday is usually the cheapest day to fly to YYC, and Tuesday the cheapest day to fly back into STL. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $103 (22%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $372. Return trip prices are from the YYC to STL flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from STL to YYC can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 33 minutes may not be realistic.
Flight Questions Answered
Still have questions about flying from STL to YYC? We’ve got answers.
Which airlines fly this route?
You can find 9 major airlines flying this route most often: Air Canada, Alaska, American, Delta, Frontier, Qantas, Singapore Airlines, United, WestJet, and potentially more during busy seasons.
How far away is it from Calgary International Airport to St Louis Lambert International Airport?
The distance between the two airports is roughly 1427 miles or 2297 kilometers.
How long does it take to fly from STL to YYC?
The real-world flight time for a nonstop STL to YYC flight is about 3 hour 33 minutes.
How many flights go between St. Louis, MO and Calgary?
It depends on the day of the week and the date, but a typical day might have around 72 available flights from STL to YYC.
Airport Location Info
|Origination airport name||St Louis Lambert International Airport|
|City||St. Louis, MO|
|Country||the United States|
|Destination airport name||Calgary International Airport|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.