STL - YYC

C$ 204 Find Cheap Flights from St. Louis to Calgary – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Calgary departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 435
Typical prices: C$ 807-C$ 1,064
Multiple Airlines
Mon 24/8Mon 31/8
STL - YYC • 1 stop
Cheapest one-way flights
C$ 204
Typical prices: C$ 316-C$ 589
Multiple Airlines
Mon 5/10
STL - YYC • 1 stop
Direct flights
Not available
There are currently no direct flights between St. Louis and Calgary. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Chicago (ORD)
Cheapest • Avg C$ 524 (round-trip)
Denver (DEN)
Shortest trip • 6h 36m (one-way)
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 11% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
April
Cheapest • 18% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Calgary!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Calgary (STL-YYC)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Calgary that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Calgary

Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
6:17 p.m. - 9:50 p.m.
STL
-
YYC
28h 33m
1 stop
Multiple Airlines Logo
7:00 a.m. - 5:22 p.m.
YYC
-
STL
9h 22m
1 stop
C$ 435Multiple Airlines
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
2:29 p.m. - 9:50 p.m.
STL
-
YYC
8h 21m
1 stop
Multiple Airlines Logo
12:20 a.m. - 9:40 a.m.
YYC
-
STL
8h 20m
1 stop
C$ 437Multiple Airlines
Sun, 11 Oct - Wed, 14 Oct
Multiple Airlines Logo
10:35 a.m. - 11:00 a.m.
STL
-
YYC
25h 25m
1 stop
Multiple Airlines Logo
12:20 a.m. - 9:40 a.m.
YYC
-
STL
8h 20m
1 stop
C$ 438Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
6:17 p.m. - 9:50 p.m.
STL
-
YYC
28h 33m
1 stop
Multiple Airlines Logo
7:00 a.m. - 5:22 p.m.
YYC
-
STL
9h 22m
1 stop
C$ 440Multiple Airlines
Tue, 20 Oct - Fri, 23 Oct
Multiple Airlines Logo
10:35 a.m. - 11:00 a.m.
STL
-
YYC
25h 25m
1 stop
Multiple Airlines Logo
12:20 a.m. - 9:40 a.m.
YYC
-
STL
8h 20m
1 stop
C$ 461Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
6:17 p.m. - 4:10 p.m.
STL
-
YYC
22h 53m
2 stops
Multiple Airlines Logo
7:00 a.m. - 5:22 p.m.
YYC
-
STL
9h 22m
1 stop
C$ 462Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Multiple Airlines Logo
6:17 p.m. - 4:10 p.m.
STL
-
YYC
22h 53m
2 stops
Multiple Airlines Logo
7:00 a.m. - 5:22 p.m.
YYC
-
STL
9h 22m
1 stop
C$ 465Multiple Airlines
Thu, 8 Oct - Tue, 3 Nov
Multiple Airlines Logo
10:35 a.m. - 11:00 a.m.
STL
-
YYC
25h 25m
1 stop
Multiple Airlines Logo
12:30 a.m. - 8:40 a.m.
YYC
-
STL
8h 10m
1 stop
C$ 466Multiple Airlines
Sun, 11 Oct - Thu, 15 Oct
Multiple Airlines Logo
10:35 a.m. - 11:00 a.m.
STL
-
YYC
25h 25m
1 stop
Multiple Airlines Logo
6:50 p.m. - 9:40 a.m.
YYC
-
STL
13h 50m
2 stops
C$ 468Multiple Airlines
Tue, 20 Oct - Sat, 24 Oct
Multiple Airlines Logo
10:35 a.m. - 11:00 a.m.
STL
-
YYC
25h 25m
1 stop
Multiple Airlines Logo
8:00 p.m. - 9:40 a.m.
YYC
-
STL
12h 40m
2 stops
C$ 469Multiple Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Calgary flights

Get data-powered insights and trends into flights from St. Louis to Calgary to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Calgary?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Calgary departing in August.

Flight prices are below average for this route right now.

Flights to Calgary from St. Louis usually cost between C$ 807 and C$ 1,064 in August.
The lowest price found in the past 5 days was C$ 435 on Multiple Airlines (24 Aug–31 Aug).

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Calgary, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Calgary is April, where tickets cost C$ 788 (return) on average. On the other hand, the most expensive months are February and June, where the average cost of round-trip tickets is C$ 1,277 and C$ 1,024 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Calgary, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Calgary, you should book around 2 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Find deals

Good to know

Low season

February

Cheapest flight

C$ 204
Best time to beat the crowds but there is an average 33% increase in price.
Most popular time to fly (6% more expensive on average)
Flight from St. Louis to Calgary

When to book flights from St. Louis to Calgary

Are your dates flexible? Find out the best times to travel from St. Louis to Calgary based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Calgary

  • What is the cheapest flight from St. Louis to Calgary?

    In the last 5 days, the lowest price for a flight from St. Louis to Calgary was C$ 204 for a one-way ticket and C$ 435 for a round-trip.

  • Which aircraft models fly most regularly from St. Louis to Calgary?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from St. Louis to Calgary?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Calgary.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Calgary?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Calgary from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Calgary?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Calgary with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Calgary?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Calgary from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Calgary

Information on your arrival and departure airports

St. Louis (STL)
Calgary (YYC)