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

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The best prices from St Louis to Calgary are usually found in January or February, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from
St Louis (STL) to Calgary (YYC)

STL - YYC
Price
$154 - $380
YYC
Temperature
30.2 - 77 °F
YYC
Rainfall
0.4 - 4.4 inches

Popular in

December

High demand for flights, 19% potential price rise

Cheapest in

January

Best time to find cheap flights, 50% potential price drop

Round-trip from

$154

From St Louis to Calgary

One-way from

$137

One-way flight from St Louis to Calgary

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Calgary?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 27% on the overall cost on flights from St Louis to Calgary.

How far in advance should I book a flight from St Louis to Calgary?

To save up to 13% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St Louis to Calgary from $390 1-2 weeks out and tickets from $438 for flights departing within the next 72 hours.

When is the cheapest time to fly from St Louis to Calgary (STL - YYC)?

One of the essential ways to save on airfare from St Louis to Calgary is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 40% on airfare.

Cheap flights from St Louis to Calgary in November, December 2020

The best prices found for STL to YYC flights for November, December
10 Dec - 14 Dec
$369pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
American Airlines
 
1 STOP
STL
Lambert-St Louis
10 Dec - 14 Dec
$455pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
Delta
   
2 STOPS
STL
Lambert-St Louis
10 Dec - 13 Dec
$460pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
YYC
Calgary
YYC
Calgary
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

St Louis to Calgary 2021 flight deals

Cheap flights to Calgary from St Louis found for next year
10 Dec - 14 Dec
$369pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
American Airlines
 
1 STOP
STL
Lambert-St Louis
10 Dec - 14 Dec
$455pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
Delta
   
2 STOPS
STL
Lambert-St Louis
10 Dec - 13 Dec
$460pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
YYC
Calgary
YYC
Calgary
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

Last minute flights from St Louis to Calgary

Late deals on round-trip flights to Calgary from St Louis, departing today and this week
10 Dec - 14 Dec
$369pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
American Airlines
 
1 STOP
STL
Lambert-St Louis
10 Dec - 14 Dec
$455pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
Delta
   
2 STOPS
STL
Lambert-St Louis
10 Dec - 13 Dec
$460pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
YYC
Calgary
YYC
Calgary
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Calgary from St Louis

The cheapest one-way flights from St Louis to Calgary
1:00 am - 10:20 am
Delta
2 Stops
10h 20m
STL - YYC
Delta
$137
Delta
1:03 am - 10:09 am
American Airlines
1 Stop
10h 06m
STL - YYC
American Airlines
10:05 am - 11:39 am
Air Canada
2 Stops
26h 34m
STL - YYC
Air Canada

Related info for your journey

Useful info, stats and facts about St Louis to Calgary flights.

Flight FAQs

From St Louis to Calgary

Are flight prices decreasing from St Louis to Calgary due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Calgary for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Lambert-St Louis to Calgary to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Some of the new policies that have been implemented to accommodate travelers flying from Lambert-St Louis to Calgary are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Lambert-St Louis to Calgary have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta, United Airlines, and American Airlines flying from Lambert-St Louis to Calgary have implemented new flexible cancellation policies.

Can I find flights from St Louis to Calgary for under $300 on Cheapflights?

Yes, there are multiple flights from St Louis to Calgary for under $300. The cheapest flight booked recently is on Air Canada for just $235, but on average you can expect to pay $372.

Are there nonstop flights from St Louis to Calgary for under $200 on Cheapflights?

There are no nonstop flights from St Louis to Calgary, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Calgary for under $400?

There are currently 6+ open flights from St Louis to Calgary within the next 7 days for less than $400.

How popular is this flight route?

Within the past month, 11 users have taken a look at flights from Lambert-St Louis to Calgary.

Does it rain more in St Louis or Calgary?

The rainfall in St Louis is generally less than the rainfall in Calgary. This will continue over the next 12 days.

Is St Louis weather warmer or cooler than Calgary?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in Calgary is typically colder than in St Louis. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from St Louis to Calgary?

For as low as $265, Delta can have you in Calgary from St Louis in 7h 40m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from St Louis to Calgary round-trip?

Flying on Air Canada is currently your cheapest option to Calgary, with prices starting at $235. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $260 and $265, respectively. Air Canada is currently priced 23% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from St Louis to Calgary one-way?

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $107. Users have also found prices from $137 and $147 on Air Canada and Delta, respectively.

Alternative routes for St Louis to Calgary

Destination information for Calgary

Things to know before you go. Useful info for your trip from St Louis to Calgary
Today's exchange rate
$1 = C$ 1.30
Average temperature for November in Calgary
41.0 °F
Avg rainfall for November in Calgary
0.6 ″

Airports servicing St. Louis

Airports servicing Calgary

Top 6 airlines from St Louis to Calgary

The chart below displays the airlines Cheapflights users traveling from St Louis to Calgary choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$99 $231 No cancel fee 62%
WestJet
$129 $289 No cancel fee 60%
American Airlines
$132 $339 No cancel fee 71%
United Airlines
$143 $384 No cancel fee 69%
Air Canada
$155 $387 No cancel fee 67%
Delta
$139 $390 No cancel fee N/A
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