How does KAYAK find such low prices on flights from Missouri 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 Missouri to Calgary.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Calgary from Missouri 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 Missouri 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 Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri 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 Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Cheap Flights from Missouri to Calgary

Save 21% 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.

Flight Deals

Cheap Flights from Missouri to Calgary

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Calgary

Mon, Nov 9 - Thu, Nov 12

6:44 pm - 1:05 pmSTL Lambert-St Louis-YYC Calgary

18h 21m1 stop Atlanta Hartsfield-Jackson

1:25 am - 4:40 pmYYC Calgary-STL Lambert-St Louis

15h 15m1 stop Atlanta Hartsfield-Jackson

$312Multiple Airlines

Fri, Sep 25 - Tue, Sep 29

2:00 pm - 10:15 pmSTL Lambert-St Louis-YYC Calgary

9h 15m2 stops Jonesboro Nashville Intl

7:00 am - 1:10 pmYYC Calgary-STL Lambert-St Louis

29h 10m1 stop Atlanta Hartsfield-Jackson

$354Multiple Airlines

Tue, Oct 20 - Sat, Oct 24

5:27 pm - 12:51 pmSTL Lambert-St Louis-YYC Calgary

20h 24m1 stop Chicago O'Hare Intl

1:51 pm - 12:19 amYYC Calgary-STL Lambert-St Louis

9h 28m1 stop Chicago O'Hare Intl

$389American Airlines

Tue, Oct 20 - Sat, Oct 24

5:27 pm - 12:51 pmSTL Lambert-St Louis-YYC Calgary

20h 24m1 stop Chicago O'Hare Intl

1:51 pm - 12:19 amYYC Calgary-STL Lambert-St Louis

9h 28m1 stop Chicago O'Hare Intl

$410American Airlines

Sun, Nov 22 - Sat, Nov 28

4:05 pm - 1:06 amSTL Lambert-St Louis-YYC Calgary

9h 01m1 stop Toronto Pearson Intl

7:00 am - 2:26 pmYYC Calgary-STL Lambert-St Louis

7h 26m1 stop Toronto Pearson Intl

$434Air Canada

Tue, Nov 10 - Thu, Nov 12

4:05 pm - 1:06 amSTL Lambert-St Louis-YYC Calgary

9h 01m1 stop Toronto Pearson Intl

7:00 am - 2:26 pmYYC Calgary-STL Lambert-St Louis

7h 26m1 stop Toronto Pearson Intl

$434Air Canada

Wed, Dec 2 - Tue, Dec 8

3:31 pm - 11:07 pmMCI Kansas City-YYC Calgary

7h 36m1 stop Minneapolis St Paul

8:45 am - 1:49 pmYYC Calgary-MCI Kansas City

5h 04m1 stop Minneapolis St Paul

$477Delta

Fri, Sep 25 - Sat, Oct 3

2:25 pm - 11:06 pmSTL Lambert-St Louis-YYC Calgary

9h 41m1 stop Salt Lake City

6:35 am - 4:47 pmYYC Calgary-STL Lambert-St Louis

9h 12m1 stop Minneapolis St Paul

$494Delta

Sun, Nov 22 - Sat, Nov 28

8:50 am - 11:53 pmSTL Lambert-St Louis-YYC Calgary

15h 03m1 stop Denver Intl

3:06 pm - 10:39 pmYYC Calgary-STL Lambert-St Louis

7h 33m1 stop Denver Intl

$496United Airlines

Mon, Nov 23 - Sat, Nov 28

8:40 am - 4:21 pmSTL Lambert-St Louis-YYC Calgary

7h 41m1 stop Denver Intl

3:06 pm - 10:39 pmYYC Calgary-STL Lambert-St Louis

7h 33m1 stop Denver Intl

$496United Airlines

Recent last minute flight deals from Missouri to Calgary

Tue, Sep 15 - Tue, Sep 22

2:40 pm - 10:57 pmSTL Lambert-St Louis-YYC Calgary

9h 17m1 stop Toronto Pearson Intl

12:50 am - 2:00 pmYYC Calgary-STL Lambert-St Louis

12h 10m1 stop Toronto Pearson Intl

$572Air Canada

Tue, Sep 15 - Wed, Sep 23

3:19 pm - 10:46 pmSTL Lambert-St Louis-YYC Calgary

8h 27m1 stop Seattle/Tacoma Intl

7:00 pm - 5:10 pmYYC Calgary-STL Lambert-St Louis

21h 10m2 stops Seattle/Tacoma Intl Portland

$665Alaska Airlines

Thu, Sep 17 - Mon, Sep 21

5:10 am - 1:53 pmSTL Lambert-St Louis-YYC Calgary

9h 43m1 stop Denver Intl

9:30 am - 8:38 pmYYC Calgary-STL Lambert-St Louis

10h 08m1 stop Denver Intl

$673Air Canada

Tue, Sep 15 - Wed, Sep 23

1:55 pm - 8:15 pmSTL Lambert-St Louis-YYC Calgary

7h 20m1 stop Detroit Metropolitan Wayne County

10:15 am - 11:16 pmYYC Calgary-STL Lambert-St Louis

12h 01m1 stop Minneapolis St Paul

$703WestJet

Tue, Sep 15 - Wed, Sep 23

6:00 am - 5:10 pmSTL Lambert-St Louis-YYC Calgary

12h 10m1 stop Atlanta Hartsfield-Jackson

11:00 am - 8:35 pmYYC Calgary-STL Lambert-St Louis

8h 35m1 stop Detroit Metropolitan Wayne County

$703WestJet

Tue, Sep 15 - Wed, Sep 23

1:55 pm - 8:15 pmSTL Lambert-St Louis-YYC Calgary

7h 20m1 stop Detroit Metropolitan Wayne County

10:15 am - 11:16 pmYYC Calgary-STL Lambert-St Louis

12h 01m1 stop Minneapolis St Paul

$705WestJet

Thu, Sep 17 - Mon, Sep 21

3:19 pm - 10:46 pmSTL Lambert-St Louis-YYC Calgary

8h 27m1 stop Seattle/Tacoma Intl

11:50 pm - 3:54 pmYYC Calgary-STL Lambert-St Louis

15h 04m2 stops Toronto Pearson Intl Atlanta Hartsfield-Jackson

$728Multiple Airlines

Tue, Sep 15 - Wed, Sep 23

6:08 pm - 11:13 amSTL Lambert-St Louis-YYC Calgary

18h 05m2 stops Portland Seattle/Tacoma Intl

6:33 am - 5:10 pmYYC Calgary-STL Lambert-St Louis

9h 37m2 stops Seattle/Tacoma Intl Portland

$735Alaska Airlines

Tue, Sep 15 - Sun, Sep 20

6:08 pm - 7:30 amSTL Lambert-St Louis-YYC Calgary

14h 22m2 stops Portland Vancouver Intl

12:20 am - 9:00 amYYC Calgary-STL Lambert-St Louis

7h 40m1 stop Atlanta Hartsfield-Jackson

$749Multiple Airlines

Fri, Sep 18 - Sun, Sep 20

7:00 am - 11:43 amMCI Kansas City-YYC Calgary

5h 43m1 stop Salt Lake City

12:20 am - 9:22 amYYC Calgary-MCI Kansas City

8h 02m1 stop Atlanta Hartsfield-Jackson

$759WestJet

Useful Info

Low season	November
High season	July
Cheapest flight	$161

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly with an average 13% increase in price.

Flight from St. Louis to Calgary

How does KAYAK find such low prices on flights from Missouri 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 Missouri to Calgary.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Calgary?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Calgary from Missouri 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 Missouri 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 Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri 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 Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.