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

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The best prices from Lambert-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)

All the information you need to plan the best STL to YYC flight in 2021: compare St. Louis to Calgary flight prices with the expected peak season, weather and rainfall in Calgary.
STL - YYC
Price
$154 - $380
YYC
Temperature
19.4 - 62.6 °F
YYC
Precipitation
0.4 - 3.7 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

Average price

$298

Average for round-trip flights in October 2021

Round-trip from

$154

From Lambert-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?

Flying to your destination on a Sunday 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.

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 34% versus a flight in the afternoon.

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 47 days in advance, which can save you up to 45% on flights from St. Louis to Calgary compared to booking the week you need them. Waiting 47 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 $373. For sooner than that we have options available in the next 3 days from $407.

Cheap flights from St. Louis to Calgary in October, November 2021

The best prices found for STL to YYC flights for October, November
11 Nov - 14 Nov
$348pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
American Airlines
 
1 STOP
STL
Lambert-St Louis
6 Nov - 9 Nov
$353pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
Air Canada
 
1 STOP
STL
Lambert-St Louis
11 Nov - 14 Nov
$356pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
Delta
   
2 STOPS
STL
Lambert-St Louis

Lambert-St Louis to Calgary 2021 flight deals

Cheap flights to Calgary from St. Louis found for this year
11 Nov - 14 Nov
$348pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
American Airlines
 
1 STOP
STL
Lambert-St Louis
6 Nov - 9 Nov
$353pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
Air Canada
 
1 STOP
STL
Lambert-St Louis
11 Nov - 14 Nov
$356pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
Delta
   
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
19 Oct - 26 Oct
$591pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
American Airlines
 
1 STOP
STL
Lambert-St Louis
19 Oct - 26 Oct
$600pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
Delta
   
2 STOPS
STL
Lambert-St Louis
19 Oct - 25 Oct
$602pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYC
Calgary
YYC
Calgary
Air Canada
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Calgary from St. Louis

The cheapest one-way flights from St. Louis to Calgary
10:48 am - 10:22 am
WestJet
2 Stops
24h 34m
STL - YYC
WestJet
5:39 am - 1:14 pm
Multiple Airlines
1 Stop
8h 35m
STL - YYC
Multiple Airlines
$284
FlightNetwork
8:01 am - 3:00 pm
Delta
1 Stop
7h 59m
STL - YYC
Delta
$287
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Calgary</span> flights.

Flight FAQs

From St. Louis to Calgary

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 $400 on Cheapflights?

Yes, there are multiple flights from St. Louis to Calgary for under $400. The cheapest flight booked recently is on American Airlines for just $348, but on average you can expect to pay $386.

Are there last-minute flights available from St. Louis to Calgary for under $600?

There are currently 5+ open flights from St. Louis to Calgary within the next 7 days for less than $600.

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 $348. Other airlines that can offer you cheap pricing are United Airlines, from $374, and WestJet, from $399.

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: Major Airline, 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 $132. While the most popular route (Lambert-St Louis - Calgary) can be booked for $346 on average our data indicates $600 when flying from St. Louis to Calgary

COVID Restrictions

View COVID Travel Restrictions for Calgary, Canada

Do I need a COVID test to fly to Calgary from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to Calgary

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Calgary.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Calgary.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Calgary.

Documents
Compassionate entry for travellers and limited release from quarantine - Foreign nationals traveling without an advance written approval for an exemption of a border restriction may be denied entry into Canada.


Do I need a test to fly back to St. Louis from Calgary?

Returning to Lambert-St Louis from Calgary

COVID-19 testing requirements
Visitors from Calgary must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Calgary are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Calgary, Canada

Alternative routes for St. Louis to Calgary

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

Destination information for Calgary

Things to know before you go - useful duration and weather info for your trip from St. Louis to Calgary.
Today's exchange rate
$1 = C$ 1.25
Average temperature for October in Calgary
55.4 °F
Avg rainfall for October in Calgary
0.7 ″

Airports servicing St. Louis

Airports servicing Calgary

Top 6 airlines flying from Lambert-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%
Delta
$139 $390 No cancel fee N/A
United Airlines
$143 $384 No cancel fee 69%
Air Canada
$155 $387 No cancel fee 67%
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