$145 Find Cheap Flights from St. Louis to Alberta - 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 Alberta departing on 10/5. 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

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Cheap Flights from St. Louis to Alberta

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Calgary
Calgary1 stop$309
Grande Prairie
Grande Prairie2 stops$888
Calgary
Calgary1 stop$309
Grande Prairie
Grande Prairie2 stops$888

Book Cheap St. Louis to Alberta Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Alberta 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 Alberta

Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
6:17 pm - 9:50 pm
STL
-
YYC
28h 33m
1 stop
Multiple Airlines Logo
7:00 am - 5:22 pm
YYC
-
STL
9h 22m
1 stop
$309Multiple Airlines
Mon, Oct 5 - Mon, Oct 12
Multiple Airlines Logo
2:29 pm - 9:50 pm
STL
-
YYC
8h 21m
1 stop
Multiple Airlines Logo
12:20 am - 9:40 am
YYC
-
STL
8h 20m
1 stop
$310Multiple Airlines
Tue, Aug 25 - Mon, Aug 31
American Airlines Logo
6:00 am - 11:42 pm
STL
-
YYC
18h 42m
1 stop
American Airlines Logo
1:52 pm - 12:14 am
YYC
-
STL
9h 22m
1 stop
$372American Airlines
Tue, Aug 18 - Tue, Aug 25
American Airlines Logo
6:00 am - 11:42 pm
STL
-
YYC
18h 42m
1 stop
American Airlines Logo
7:00 am - 12:14 am
YYC
-
STL
16h 14m
1 stop
$392American Airlines
Mon, Oct 5 - Mon, Oct 5
WestJet Logo
6:15 am - 5:00 pm
STL
-
YYC
11h 45m
1 stop
WestJet Logo
9:00 pm - 10:51 am
YYC
-
STL
12h 51m
2 stops
$414WestJet
Tue, Sep 15 - Wed, Sep 23
WestJet Logo
6:00 am - 5:10 pm
STL
-
YYC
12h 10m
1 stop
WestJet Logo
10:15 am - 3:12 pm
YYC
-
STL
27h 57m
1 stop
$416WestJet
Mon, Aug 31 - Wed, Sep 2
United Airlines Logo
4:40 pm - 9:48 pm
STL
-
YYC
6h 08m
1 stop
United Airlines Logo
8:00 am - 4:34 pm
YYC
-
STL
7h 34m
1 stop
$471United Airlines
Mon, Aug 31 - Wed, Sep 2
United Airlines Logo
8:50 am - 10:37 pm
STL
-
YYC
14h 47m
1 stop
United Airlines Logo
8:30 am - 3:38 pm
YYC
-
STL
6h 08m
1 stop
$471United Airlines
Sat, Sep 5 - Wed, Sep 9
Delta Logo
5:34 pm - 10:30 pm
STL
-
YYC
29h 56m
2 stops
Delta Logo
11:05 am - 11:16 pm
YYC
-
STL
11h 11m
2 stops
$648Delta
Sat, Sep 5 - Mon, Sep 7
Delta Logo
11:13 am - 7:40 pm
STL
-
YYC
9h 27m
2 stops
Delta Logo
7:00 am - 4:44 pm
YYC
-
STL
8h 44m
2 stops
$1,025Delta
Booking Insights

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

Get data-powered insights and trends into flights from St. Louis to Alberta 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 Alberta?

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 Alberta departing in August.

Flight prices are below average for this route right now.

Flights to Alberta from St. Louis usually cost between $573 and $755 in August.
The lowest price found in the past 5 days was $309 on Multiple Airlines (Aug 24-Aug 31).

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Alberta, 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 Alberta is November, when tickets cost $551 (return) on average. On the other hand, the most expensive months are February and December, when the average cost of round-trip tickets is $906 and $782 respectively.

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

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 Alberta, 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 Alberta, 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

$145
Best time to beat the crowds but there is an average 33% increase in price.
Most popular time to fly with an average 6% increase in price.
Flight from St. Louis to Calgary

FAQs - booking Alberta flights

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

    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 Alberta.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Alberta 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 Alberta?

    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 from St. Louis to Alberta with an airline and back with another airline.

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

    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 from St. Louis to Alberta 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 Alberta

Information on your arrival and departure airports

St. Louis (STL)