STL - YYC

C$ 155 Find Cheap Flights from St. Louis to Calgary

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 10/10. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Calgary

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Calgary, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Calgary, as well as popular online travel agencies
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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

Sat, 25 Oct - Sat, 1 Nov
American Airlines Logo
4:34 p.m. - 12:34 p.m.STL-YYC
21h 00m1 stop
American Airlines Logo
6:45 a.m. - 10:08 p.m.YYC-STL
14h 23m2 stops
C$ 395American Airlines
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Sat, 11 Oct - Tue, 14 Oct
American Airlines Logo
8:00 p.m. - 12:34 p.m.STL-YYC
17h 34m1 stop
American Airlines Logo
1:29 p.m. - 11:54 p.m.YYC-STL
9h 25m1 stop
C$ 403American Airlines
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Sat, 25 Oct - Sat, 1 Nov
American Airlines Logo
4:34 p.m. - 12:34 p.m.STL-YYC
21h 00m1 stop
American Airlines Logo
1:29 p.m. - 2:40 p.m.YYC-STL
24h 11m1 stop
C$ 405American Airlines
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Sat, 25 Oct - Fri, 31 Oct
Logo
4:51 p.m. - 11:05 p.m.STL-YYC
31h 14m1 stop
Logo
1:00 a.m. - 6:10 p.m.YYC-STL
16h 10m2 stops
C$ 474
Find Deal
Sun, 26 Oct - Sun, 2 Nov
Logo
5:15 p.m. - 5:15 p.m.STL-YYC
25h 00m2 stops
Logo
7:35 p.m. - 11:24 a.m.YYC-STL
14h 49m1 stop
C$ 482
Find Deal
Thu, 23 Oct - Fri, 31 Oct
United Airlines Logo
12:25 p.m. - 11:38 a.m.STL-YYC
24h 13m1 stop
United Airlines Logo
12:37 p.m. - 2:25 p.m.YYC-STL
24h 48m1 stop
C$ 605United Airlines
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Mon, 20 Oct - Thu, 23 Oct
Air Canada Logo
4:05 p.m. - 11:22 p.m.STL-YYC
8h 17m1 stop
Air Canada Logo
7:00 a.m. - 3:18 p.m.YYC-STL
7h 18m1 stop
C$ 611Air Canada
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Thu, 20 Nov - Sun, 23 Nov
Delta Logo
2:21 p.m. - 11:10 p.m.STL-YYC
9h 49m1 stop
Delta Logo
6:20 a.m. - 5:09 p.m.YYC-STL
9h 49m2 stops
C$ 626Delta
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Mon, 20 Oct - Wed, 22 Oct
Air Canada Logo
9:15 a.m. - 5:02 p.m.STL-YYC
8h 47m1 stop
Air Canada Logo
1:10 a.m. - 3:18 p.m.YYC-STL
13h 08m1 stop
C$ 644Air Canada
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Thu, 20 Nov - Sun, 23 Nov
Delta Logo
6:50 a.m. - 5:50 p.m.STL-YYC
12h 00m2 stops
Delta Logo
1:25 p.m. - 12:46 a.m.YYC-STL
10h 21m2 stops
C$ 666Delta
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Everything you should know

When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 27% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 36% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
C$ 395
Overall average: C$ 700
American Airlines
Sat 25/10Sat 1/11
STL - YYC • 1 stop
Cheapest one-way flights
C$ 155
Typical prices: C$ 310-375
Multiple Airlines
Fri 10/10
STL - YYC • 1 stop
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!
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.

What’s the cheapest day of the week to fly from St. Louis to Calgary?

The average price of all round-trip flights from St. Louis to Calgary clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Calgary on a Thursday and more expensive on a Monday. On your return trip to St. Louis, you should consider flying back on a Sunday, and avoid Fridays for better deals.

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 January, where tickets cost C$ 500 (return) on average. On the other hand, the most expensive months are September and March, where the average cost of round-trip tickets is C$ 882 and C$ 869 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 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Find deals

Good to know

Low seasonFebruary
Cheapest flightC$ 155
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly (11% 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 3 days, the lowest price for a flight from St. Louis to Calgary was C$ 112 for a one-way ticket and C$ 285 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.

  • Which airline alliances offer flights from St. Louis to Calgary?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between St. Louis and Calgary, with oneworld being the most commonly used for this 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)

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