YYC - STL

$185 Find Cheap Flights from Calgary to St. Louis

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 6/10. 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

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Calgary to St. Louis, 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 Calgary to St. Louis, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$350
Typical prices: $661-$528
American Airlines
Wed 6/10Wed 6/17
YYC - STL • 1 stop
Cheapest one-way
$185
Typical prices: $271-$389
Multiple Airlines
Wed 6/10
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
Insights
Insights
Insights
When to travel
October
Cheapest • 22% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
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

Wed, Jun 10 - Wed, Jun 17
American Airlines Logo
7:00 am - 12:16 am
YYC
-
STL
16h 16m
1 stop
American Airlines Logo
9:08 am - 11:42 pm
STL
-
YYC
15h 34m
1 stop
$350American Airlines
Tue, Sep 22 - Thu, Sep 24
American Airlines Logo
6:30 am - 8:03 pm
YYC
-
STL
12h 33m
1 stop
American Airlines Logo
7:44 am - 11:20 pm
STL
-
YYC
16h 36m
1 stop
$367American Airlines
Fri, Oct 23 - Sun, Oct 25
Delta Logo
2:00 pm - 12:36 am
YYC
-
STL
9h 36m
1 stop
Delta Logo
2:15 pm - 11:13 pm
STL
-
YYC
9h 58m
1 stop
$368Delta
Thu, May 21 - Fri, May 22
United Airlines Logo
1:27 pm - 9:10 pm
YYC
-
STL
6h 43m
1 stop
United Airlines Logo
9:06 am - 1:53 pm
STL
-
YYC
5h 47m
1 stop
$375United Airlines
Wed, Aug 19 - Sun, Aug 23
United Airlines Logo
8:30 am - 3:38 pm
YYC
-
STL
6h 08m
1 stop
United Airlines Logo
5:32 pm - 10:36 pm
STL
-
YYC
6h 04m
1 stop
$380United Airlines
Mon, May 11 - Wed, May 13
Delta Logo
7:45 am - 11:59 pm
YYC
-
STL
15h 14m
2 stops
Delta Logo
2:27 pm - 10:57 pm
STL
-
YYC
9h 30m
1 stop
$381Delta
Mon, Jun 1 - Fri, Jun 5
Multiple Airlines Logo
9:00 pm - 5:33 pm
YYC
-
STL
19h 33m
2 stops
Multiple Airlines Logo
8:08 pm - 2:45 pm
STL
-
YYC
19h 37m
1 stop
$407Multiple Airlines
Wed, Sep 23 - Sun, Sep 27
Delta Logo
2:00 pm - 12:36 am
YYC
-
STL
9h 36m
1 stop
Delta Logo
2:15 pm - 11:06 pm
STL
-
YYC
9h 51m
1 stop
$408Delta
Fri, Oct 23 - Sun, Oct 25
Delta Logo
7:15 am - 5:56 pm
YYC
-
STL
9h 41m
1 stop
Delta Logo
2:15 pm - 11:13 pm
STL
-
YYC
9h 58m
1 stop
$409Delta
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
8:45 am - 5:33 pm
YYC
-
STL
31h 48m
2 stops
Multiple Airlines Logo
5:27 pm - 11:00 am
STL
-
YYC
18h 33m
1 stop
$412Multiple 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 June.

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 October, where tickets cost $385 (return) on average. On the other hand, the most expensive months are June and November, where the average cost of round-trip tickets is $595 and $567 respectively.

Find deals

Good to know

Low seasonOctober
Cheapest flight$185
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly and prices are also 2% 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 3 days, the lowest price for a flight from Calgary to St. Louis was $185 for a one-way ticket and $350 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.

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)