YYC - STL

$173 Find Cheap Flights from Calgary to St. Louis - 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 Calgary to St. Louis departing on 8/20. 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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Everything you should know

Cheapest round-trip
$313
Typical prices: $385-$574
Multiple Airlines
Sun 10/11Fri 10/16
YYC - STL • 1 stop
Cheapest one-way
$173
Typical prices: $250-$349
Multiple Airlines
Thu 8/20
YYC - STL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Calgary and St. Louis. You'll need at least 1 connection.
Insights
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Top layover airports
Detroit (DTW)
Cheapest • Avg $550 (round-trip)
Chicago (ORD)
Shortest trip • 5h 51m (one-way)
Insights
Insights
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Insights
When to travel
May
Cheapest • 37% price drop
September
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

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

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

Sun, Oct 11 - Fri, Oct 16
Multiple Airlines Logo
12:20 am - 9:40 am
YYC
-
STL
8h 20m
1 stop
Multiple Airlines Logo
10:35 am - 11:00 am
STL
-
YYC
25h 25m
1 stop
$313Multiple Airlines
Sun, Oct 11 - Fri, Oct 16
Multiple Airlines Logo
12:20 am - 9:40 am
YYC
-
STL
8h 20m
1 stop
Multiple Airlines Logo
10:35 am - 11:00 am
STL
-
YYC
25h 25m
1 stop
$317Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
Multiple Airlines Logo
7:00 am - 5:22 pm
YYC
-
STL
9h 22m
1 stop
Multiple Airlines Logo
6:17 pm - 9:50 pm
STL
-
YYC
28h 33m
1 stop
$318Multiple Airlines
Sun, Sep 6 - Mon, Sep 14
Multiple Airlines Logo
12:20 am - 5:22 pm
YYC
-
STL
16h 02m
1 stop
Multiple Airlines Logo
2:29 pm - 9:50 pm
STL
-
YYC
8h 21m
1 stop
$319Multiple Airlines
Fri, Oct 2 - Tue, Oct 6
Multiple Airlines Logo
7:00 am - 9:40 am
YYC
-
STL
25h 40m
1 stop
Multiple Airlines Logo
10:35 am - 11:00 am
STL
-
YYC
25h 25m
1 stop
$324Multiple Airlines
Mon, Oct 12 - Fri, Oct 16
Multiple Airlines Logo
9:00 pm - 9:40 am
YYC
-
STL
11h 40m
2 stops
Multiple Airlines Logo
10:35 am - 11:00 am
STL
-
YYC
25h 25m
1 stop
$325Multiple Airlines
Thu, Aug 20 - Thu, Aug 27
Multiple Airlines Logo
7:00 am - 5:22 pm
YYC
-
STL
9h 22m
1 stop
Multiple Airlines Logo
6:17 pm - 3:15 pm
STL
-
YYC
21h 58m
2 stops
$329Multiple Airlines
Thu, Aug 20 - Mon, Aug 24
Multiple Airlines Logo
7:00 am - 5:22 pm
YYC
-
STL
9h 22m
1 stop
Multiple Airlines Logo
6:17 pm - 3:15 pm
STL
-
YYC
21h 58m
2 stops
$331Multiple Airlines
Thu, Aug 20 - Thu, Aug 27
Multiple Airlines Logo
7:00 am - 5:22 pm
YYC
-
STL
9h 22m
1 stop
Multiple Airlines Logo
6:17 pm - 9:50 pm
STL
-
YYC
28h 33m
1 stop
$333Multiple Airlines
Sun, Oct 11 - Fri, Oct 16
Multiple Airlines Logo
12:20 am - 9:40 am
YYC
-
STL
8h 20m
1 stop
Multiple Airlines Logo
10:35 am - 11:00 am
STL
-
YYC
25h 25m
1 stop
$336Multiple Airlines
Booking Insights

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

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

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

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

Flight prices are below average for this route right now.

Flights to St. Louis from Calgary usually cost between $429 and $505 in October.
The lowest price found in the past 5 days was $313 on Multiple Airlines (Oct 11-Oct 16).

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Calgary to St. Louis, 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 Calgary to St. Louis is May, where tickets cost $320 (return) on average. On the other hand, the most expensive months are June and November, where the average cost of round-trip tickets is $694 and $643 respectively.

Find deals

Good to know

Low season

February

Cheapest flight

$173
Best time to beat the crowds but there is an average 19% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Calgary to St. Louis

When to book flights from Calgary to St. Louis

Are your dates flexible? Find out the best times to travel from Calgary to St. Louis 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 Calgary to St. Louis

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

    In the last 5 days, the lowest price for a flight from Calgary to St. Louis was $173 for a one-way ticket and $313 for a round-trip.

  • Do I need a passport to fly between Calgary and St. Louis?

    Yes, you’ll need a passport to travel to St. Louis from Calgary.

  • Which airports will I be using when flying from Calgary to St. Louis?

    When flying out of Calgary you will be using Calgary. You will be landing at St. Louis, also known as Lambert-St Louis.

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

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

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

    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 Calgary to St. Louis.

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

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

    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 St. Louis with an airline and back to Calgary with another airline. Booking your flights between Calgary and STL can sometimes prove cheaper using this method.

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

    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 St. Louis from Calgary up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from Calgary to St. Louis?

    In the past 5 days, the cheapest round-trip tickets from Calgary to St. Louis were found on American Airlines ($354) and WestJet ($367).

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

Information on your arrival and departure airports

Calgary (YYC)
St. Louis (STL)