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

STL — YYC
Nov 28 — Dec 51

The best prices from Lambert-St Louis to Calgary are usually found in February or January, booked 37 days in advance, depart on a Saturday or Tuesday and return on a Friday

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

All the information you need to plan the best STL to YYC flight in 2022: compare St. Louis to Calgary flight prices with the expected peak season, weather and rainfall in Calgary.

STL - YYC

Price

$376 - $682

YYC

Temperature

19.4 - 62.6 °F

YYC

Rainfall

0.4 - 3.7 inches

Popular inJulyHigh demand for flights, 24% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 28% potential price drop
Round-trip from$376From Lambert-St Louis to Calgary
One-way from$285One-way flight from Lambert-St Louis to Calgary

What is the cheapest day to fly round-trip from St. Louis to Calgary?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Calgary. Check prices with Cheapflights to find a great deal for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 37 days in advance, which can save you up to 34% on flights from St. Louis to Calgary compared to booking the week you need them. Waiting 37 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $764. For sooner than that we have options available in the next 3 days from $794.

What is the cheapest month to fly from St. Louis to Calgary?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Calgary. Flights to Calgary from St. Louis in February are about $521 on average during February, but can be found for as low as $217.

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

When flying from St. Louis to Calgary, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 42% versus a flight at noon.

Cheap flights from St. Louis to Calgary in November, December 2022

The best prices found for STL to YYC flights for November, December
Dec 12 - Dec 19
STL

Lambert-St Louis

YYC

Calgary

1 stop

6h 40m
YYC

Calgary

STL

Lambert-St Louis

1 stop

11h 32m
$458

Multiple Airlines

Pick Dates

Deal found 11/22

Dec 12 - Dec 19
STL

Lambert-St Louis

YYC

Calgary

1 stop

7h 54m
YYC

Calgary

STL

Lambert-St Louis

2 stops

9h 12m
$520

Undisclosed Carrier

Pick Dates

Deal found 11/22

Dec 12 - Dec 19
STL

Lambert-St Louis

YYC

Calgary

2 stops

11h 08m
YYC

Calgary

STL

Lambert-St Louis

2 stops

14h 07m
$665

Delta

Pick Dates

Deal found 11/22

St. Louis to Calgary 2022 flight deals

Cheap flights to Calgary from St. Louis found for this year
Dec 12 - Dec 19
STL

Lambert-St Louis

YYC

Calgary

1 stop

6h 40m
YYC

Calgary

STL

Lambert-St Louis

1 stop

11h 32m
$458

Multiple Airlines

Pick Dates

Deal found 11/22

Dec 12 - Dec 19
STL

Lambert-St Louis

YYC

Calgary

1 stop

7h 54m
YYC

Calgary

STL

Lambert-St Louis

2 stops

9h 12m
$520

Undisclosed Carrier

Pick Dates

Deal found 11/22

Dec 12 - Dec 19
STL

Lambert-St Louis

YYC

Calgary

2 stops

11h 08m
YYC

Calgary

STL

Lambert-St Louis

2 stops

14h 07m
$665

Delta

Pick Dates

Deal found 11/22

Cheap Delta flights from St. Louis to Calgary

Jan 15 - Jan 21
STL

Lambert-St Louis

YYC

Calgary

1 stop

6h 18m
YYC

Calgary

STL

Lambert-St Louis

2 stops

13h 42m
$494

Delta

Pick Dates

Deal found 11/23

Jan 15 - Jan 21
STL

Lambert-St Louis

YYC

Calgary

1 stop

6h 18m
YYC

Calgary

STL

Lambert-St Louis

2 stops

13h 42m
$515

Delta

Pick Dates

Deal found 11/21

Feb 4 - Feb 11
STL

Lambert-St Louis

YYC

Calgary

2 stops

10h 54m
YYC

Calgary

STL

Lambert-St Louis

2 stops

13h 03m
$536

Delta

Pick Dates

Deal found 11/22

Cheap WestJet flights from St. Louis to Calgary

Jan 15 - Jan 20
STL

Lambert-St Louis

YYC

Calgary

1 stop

9h 08m
YYC

Calgary

STL

Lambert-St Louis

2 stops

13h 21m
$672

WestJet

Pick Dates

Deal found 11/23

Jan 15 - Jan 20
STL

Lambert-St Louis

YYC

Calgary

1 stop

9h 08m
YYC

Calgary

STL

Lambert-St Louis

2 stops

13h 21m
$673

WestJet

Pick Dates

Deal found 11/21

Jan 15 - Jan 20
STL

Lambert-St Louis

YYC

Calgary

2 stops

12h 46m
YYC

Calgary

STL

Lambert-St Louis

2 stops

13h 21m
$677

WestJet

Pick Dates

Deal found 11/21

One-way flights to Calgary from St. Louis

The cheapest one-way flights from St. Louis to Calgary
Dec 9
STL

Lambert-St Louis

YYC

Calgary

3 stops

26h 25m
$145

Multiple Airlines

Pick Dates

Deal found 11/21

Dec 9
STL

Lambert-St Louis

YYC

Calgary

2 stops

25h 20m
$150

Multiple Airlines

Pick Dates

Deal found 11/21

Dec 9
STL

Lambert-St Louis

YYC

Calgary

3 stops

26h 25m
$169

Multiple Airlines

Pick Dates

Deal found 11/21

Related info for your journey

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

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 Air Canada, American Airlines, and Frontier flying from Lambert-St Louis to Calgary have implemented new flexible cancellation policies.

Can I find flights from St. Louis to Calgary for under $500 on Cheapflights?

Yes, there are multiple flights from St. Louis to Calgary for under $500. The cheapest flight booked recently is on Multiple Airlines for just $438, but on average you can expect to pay $523.

How popular is this St. Louis to Calgary flight route?

The Lambert-St Louis to Calgary flight path was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Cheapflights users have booked flights from St. Louis to Calgary round-trip from $479. Other airlines that can offer you cheap pricing are Delta, from $494, and Undisclosed Carrier, from $520. Users have found that Air Canada is 8% cheaper than the other options available to this destination.

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

$218 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Air Canada, with prices starting from $228 and $264, respectively.

What are the most popular airlines that fly from St. Louis to Calgary?

Before booking your flight from St. Louis to Calgary check out the most popular airlines for this route: Undisclosed Carrier, American Airlines or Air Canada.

What are the cheapest flights from St. Louis to Calgary?

Looking at all options, your cheapest flight can be booked for $264. While the most popular route (Lambert-St Louis - Calgary) can be booked for $438 on average our data indicates $1,068 when flying from St. Louis to Calgary.

Alternative routes for St. Louis to Calgary

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$99Average$231FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Air CanadaCheapest$209Average$571FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
American AirlinesCheapest$314Average$594FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$406Average$540FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$477Average$734FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights