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

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

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

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

C$ 270 CHEAP FLIGHTS from Alberta to St. Louis

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Flight Deals

Cheap Flights from Alberta to St. Louis

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 Alberta to St. Louis

Tue, 20 Oct - Tue, 27 Oct

1:51 p.m. - 12:19 a.m.YYC Calgary-STL Lambert-St Louis

9h 28m1 stop Chicago O'Hare Intl

5:27 p.m. - 12:51 p.m.STL Lambert-St Louis-YYC Calgary

20h 24m1 stop Chicago O'Hare Intl

C$ 510American Airlines

Mon, 19 Oct - Tue, 27 Oct

1:51 p.m. - 12:19 a.m.YYC Calgary-STL Lambert-St Louis

9h 28m1 stop Chicago O'Hare Intl

5:27 p.m. - 12:51 p.m.STL Lambert-St Louis-YYC Calgary

20h 24m1 stop Chicago O'Hare Intl

C$ 510American Airlines

Tue, 27 Oct - Mon, 16 Nov

8:00 p.m. - 3:23 p.m.YYC Calgary-STL Lambert-St Louis

18h 23m2 stops Phoenix Sky Harbor Intl Denver Intl

6:44 p.m. - 1:05 p.m.STL Lambert-St Louis-YYC Calgary

18h 21m1 stop Atlanta Hartsfield-Jackson

C$ 550Multiple Airlines

Sun, 1 Nov - Mon, 9 Nov

1:25 a.m. - 4:40 p.m.YYC Calgary-STL Lambert-St Louis

15h 15m1 stop Atlanta Hartsfield-Jackson

6:44 p.m. - 1:05 p.m.STL Lambert-St Louis-YYC Calgary

18h 21m1 stop Atlanta Hartsfield-Jackson

C$ 566Multiple Airlines

Mon, 26 Oct - Tue, 27 Oct

12:25 a.m. - 9:09 a.m.YYC Calgary-STL Lambert-St Louis

7h 44m1 stop Atlanta Hartsfield-Jackson

12:28 p.m. - 12:44 a.m.STL Lambert-St Louis-YYC Calgary

13h 16m2 stops Minneapolis St Paul Vancouver Intl

C$ 682WestJet

Tue, 20 Oct - Tue, 27 Oct

6:30 p.m. - 9:09 a.m.YYC Calgary-STL Lambert-St Louis

13h 39m2 stops Vancouver Intl Atlanta Hartsfield-Jackson

6:21 a.m. - 4:30 p.m.STL Lambert-St Louis-YYC Calgary

11h 09m2 stops Minneapolis St Paul Vancouver Intl

C$ 688WestJet

Thu, 17 Dec - Tue, 5 Jan

6:00 a.m. - 2:26 p.m.YEG Edmonton-STL Lambert-St Louis

8h 26m1 stop Toronto Pearson Intl

4:05 p.m. - 1:28 a.m.STL Lambert-St Louis-YEG Edmonton

9h 23m1 stop Toronto Pearson Intl

C$ 954Air Canada

Wed, 14 Oct - Fri, 16 Oct

9:40 a.m. - 11:21 p.m.YEG Edmonton-STL Lambert-St Louis

12h 41m1 stop Minneapolis St Paul

6:21 a.m. - 4:55 p.m.STL Lambert-St Louis-YEG Edmonton

11h 34m1 stop Minneapolis St Paul

C$ 954Delta

Wed, 14 Oct - Fri, 16 Oct

6:00 a.m. - 11:44 p.m.YEG Edmonton-STL Lambert-St Louis

16h 44m2 stops Vancouver Intl Denver Intl

9:00 a.m. - 2:08 p.m.STL Lambert-St Louis-YEG Edmonton

6h 08m1 stop Denver Intl

C$ 1,005Air Canada

Thu, 17 Dec - Tue, 5 Jan

6:00 a.m. - 2:26 p.m.YEG Edmonton-STL Lambert-St Louis

8h 26m1 stop Toronto Pearson Intl

5:25 a.m. - 4:22 p.m.STL Lambert-St Louis-YEG Edmonton

10h 57m2 stops Chicago O'Hare Intl Calgary

C$ 1,038Air Canada

Recent last minute flight deals from Alberta to St. Louis

Fri, 25 Sep - Wed, 30 Sep

12:20 a.m. - 9:34 a.m.YYC Calgary-STL Lambert-St Louis

8h 14m1 stop Atlanta Hartsfield-Jackson

10:05 a.m. - 5:10 p.m.STL Lambert-St Louis-YYC Calgary

8h 05m1 stop Atlanta Hartsfield-Jackson

C$ 822WestJet

Fri, 25 Sep - Wed, 30 Sep

12:20 a.m. - 9:34 a.m.YYC Calgary-STL Lambert-St Louis

8h 14m1 stop Atlanta Hartsfield-Jackson

11:21 a.m. - 12:44 a.m.STL Lambert-St Louis-YYC Calgary

14h 23m2 stops Minneapolis St Paul Vancouver Intl

C$ 847WestJet

Sat, 26 Sep - Wed, 30 Sep

11:05 a.m. - 11:16 p.m.YYC Calgary-STL Lambert-St Louis

11h 11m2 stops Winnipeg Minneapolis St Paul

11:21 a.m. - 7:40 p.m.STL Lambert-St Louis-YYC Calgary

9h 19m2 stops Minneapolis St Paul Edmonton

C$ 847WestJet

Wed, 23 Sep - Wed, 30 Sep

8:30 a.m. - 8:00 p.m.YYC Calgary-STL Lambert-St Louis

10h 30m1 stop Chicago O'Hare Intl

5:10 a.m. - 1:53 p.m.STL Lambert-St Louis-YYC Calgary

9h 43m1 stop Denver Intl

C$ 867United Airlines

Fri, 25 Sep - Tue, 29 Sep

12:20 a.m. - 9:34 a.m.YYC Calgary-STL Lambert-St Louis

8h 14m1 stop Atlanta Hartsfield-Jackson

1:55 p.m. - 8:15 p.m.STL Lambert-St Louis-YYC Calgary

7h 20m1 stop Detroit Metropolitan Wayne County

C$ 884WestJet

Fri, 25 Sep - Wed, 30 Sep

12:20 a.m. - 9:34 a.m.YYC Calgary-STL Lambert-St Louis

8h 14m1 stop Atlanta Hartsfield-Jackson

10:05 a.m. - 5:10 p.m.STL Lambert-St Louis-YYC Calgary

8h 05m1 stop Atlanta Hartsfield-Jackson

C$ 884WestJet

Sat, 26 Sep - Tue, 29 Sep

7:00 a.m. - 4:47 p.m.YYC Calgary-STL Lambert-St Louis

8h 47m2 stops Edmonton Minneapolis St Paul

6:15 a.m. - 4:10 p.m.STL Lambert-St Louis-YYC Calgary

10h 55m2 stops Minneapolis St Paul Vancouver Intl

C$ 888WestJet

Fri, 25 Sep - Tue, 29 Sep

12:20 a.m. - 9:34 a.m.YYC Calgary-STL Lambert-St Louis

8h 14m1 stop Atlanta Hartsfield-Jackson

8:46 a.m. - 6:10 p.m.STL Lambert-St Louis-YYC Calgary

10h 24m2 stops Minneapolis St Paul Winnipeg

C$ 888WestJet

Sat, 26 Sep - Wed, 30 Sep

2:15 p.m. - 11:16 p.m.YYC Calgary-STL Lambert-St Louis

8h 01m1 stop Minneapolis St Paul

8:46 a.m. - 5:00 p.m.STL Lambert-St Louis-YYC Calgary

9h 14m1 stop Minneapolis St Paul

C$ 889WestJet

Sat, 26 Sep - Wed, 30 Sep

1:27 p.m. - 8:36 p.m.YYC Calgary-STL Lambert-St Louis

6h 09m1 stop Denver Intl

1:36 p.m. - 9:48 p.m.STL Lambert-St Louis-YYC Calgary

9h 12m1 stop Denver Intl

C$ 892United Airlines

Useful Info

Low season	April
High season	October
Cheapest flight	C$ 270

Best time to beat the crowds but there is an average 24% increase in price.

Most popular time to fly and prices are also 10% lower on average.

Flight from Calgary to St. Louis

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