How many flights depart from St. Louis to Alberta on average per week?

As of September 2026, there are 7 flights per week flying from St. Louis to Alberta. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

What is the cheapest airline that flies from Lambert-St Louis to Alberta?

American Airlines, United Airlines, and Air Canada are the most popular carriers operating from Lambert-St Louis to Alberta

When did momondo last update prices for flights from Lambert-St Louis Airport to Alberta?

Prices for flights from Lambert-St Louis Airport to Alberta were last updated today.

How old do you have to be to fly from Lambert-St Louis Airport to Alberta?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Alberta.

What documentation or ID do you need to fly to Alberta?

The travel and health documents required for your trip to Alberta can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Alberta. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 225 Cheap Flights from St. Louis to Alberta in 2026

Find the cheapest flights from St. Louis to Alberta

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:29 p.m. - 3:15 p.m.STL Lambert-St Louis-YYC Calgary

25h 46m2 stops Atlanta Hartsfield-Jackson Vancouver Intl

7:00 a.m. - 1:10 p.m.YYC Calgary-STL Lambert-St Louis

29h 10m1 stop Atlanta Hartsfield-Jackson

C$ 416Multiple Airlines

Wed, 30 Sep - Tue, 6 Oct

2:29 p.m. - 3:15 p.m.STL Lambert-St Louis-YYC Calgary

25h 46m2 stops Atlanta Hartsfield-Jackson Vancouver Intl

12:20 a.m. - 1:10 p.m.YYC Calgary-STL Lambert-St Louis

11h 50m1 stop Atlanta Hartsfield-Jackson

C$ 417Multiple Airlines

Wed, 30 Sep - Sun, 4 Oct

2:29 p.m. - 3:15 p.m.STL Lambert-St Louis-YYC Calgary

25h 46m2 stops Atlanta Hartsfield-Jackson Vancouver Intl

12:20 a.m. - 1:10 p.m.YYC Calgary-STL Lambert-St Louis

11h 50m1 stop Atlanta Hartsfield-Jackson

C$ 423Multiple Airlines

Wed, 30 Sep - Sun, 4 Oct

2:29 p.m. - 11:00 a.m.STL Lambert-St Louis-YYC Calgary

21h 31m1 stop Atlanta Hartsfield-Jackson

9:00 p.m. - 1:10 p.m.YYC Calgary-STL Lambert-St Louis

15h 10m2 stops Vancouver Intl Atlanta Hartsfield-Jackson

C$ 445Multiple Airlines

Fri, 2 Oct - Tue, 6 Oct

8:10 p.m. - 2:45 p.m.STL Lambert-St Louis-YYC Calgary

19h 35m1 stop Denver Intl

7:00 a.m. - 1:10 p.m.YYC Calgary-STL Lambert-St Louis

29h 10m1 stop Atlanta Hartsfield-Jackson

C$ 448Multiple Airlines

Wed, 30 Sep - Tue, 6 Oct

6:35 p.m. - 11:00 a.m.STL Lambert-St Louis-YYC Calgary

17h 25m1 stop Atlanta Hartsfield-Jackson

12:25 a.m. - 5:40 p.m.YYC Calgary-STL Lambert-St Louis

16h 15m1 stop Atlanta Hartsfield-Jackson

C$ 448Multiple Airlines

Wed, 21 Oct - Tue, 27 Oct

6:35 p.m. - 11:00 a.m.STL Lambert-St Louis-YYC Calgary

17h 25m1 stop Atlanta Hartsfield-Jackson

12:25 a.m. - 5:40 p.m.YYC Calgary-STL Lambert-St Louis

16h 15m1 stop Atlanta Hartsfield-Jackson

C$ 449Multiple Airlines

Fri, 23 Oct - Thu, 29 Oct

2:29 p.m. - 11:00 a.m.STL Lambert-St Louis-YYC Calgary

21h 31m1 stop Atlanta Hartsfield-Jackson

7:00 a.m. - 1:10 p.m.YYC Calgary-STL Lambert-St Louis

29h 10m1 stop Atlanta Hartsfield-Jackson

C$ 449Multiple Airlines

Fri, 2 Oct - Tue, 6 Oct

8:10 p.m. - 2:45 p.m.STL Lambert-St Louis-YYC Calgary

19h 35m1 stop Denver Intl

12:20 a.m. - 1:10 p.m.YYC Calgary-STL Lambert-St Louis

11h 50m1 stop Atlanta Hartsfield-Jackson

C$ 450Multiple Airlines

Wed, 30 Sep - Sun, 4 Oct

8:10 p.m. - 2:45 p.m.STL Lambert-St Louis-YYC Calgary

19h 35m1 stop Denver Intl

12:20 a.m. - 1:10 p.m.YYC Calgary-STL Lambert-St Louis

11h 50m1 stop Atlanta Hartsfield-Jackson

C$ 456Multiple Airlines

Wed, 30 Sep - Sun, 4 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

2:40 p.m. - 10:57 p.m.STL Lambert-St Louis-YYC Calgary

9h 17m1 stop Toronto Pearson Intl

6:00 a.m. - 6:41 p.m.YYC Calgary-STL Lambert-St Louis

11h 41m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 753Air Canada

Tue, 15 Sep - Wed, 23 Sep

2:40 p.m. - 10:57 p.m.STL Lambert-St Louis-YYC Calgary

9h 17m1 stop Toronto Pearson Intl

12:50 a.m. - 2:00 p.m.YYC Calgary-STL Lambert-St Louis

12h 10m1 stop Toronto Pearson Intl

C$ 790Air Canada

Tue, 15 Sep - Tue, 22 Sep

5:43 a.m. - 11:54 a.m.STL Lambert-St Louis-YYC Calgary

7h 11m1 stop Dallas/Fort Worth

1:51 p.m. - 8:44 p.m.YYC Calgary-STL Lambert-St Louis

5h 53m1 stop Chicago O'Hare Intl

C$ 864American Airlines

Tue, 15 Sep - Wed, 23 Sep

3:52 p.m. - 8:42 p.m.STL Lambert-St Louis-YYC Calgary

5h 50m1 stop Minneapolis St Paul

7:00 a.m. - 3:54 p.m.YYC Calgary-STL Lambert-St Louis

7h 54m1 stop Atlanta Hartsfield-Jackson

C$ 890WestJet

Tue, 15 Sep - Wed, 23 Sep

3:19 p.m. - 10:46 p.m.STL Lambert-St Louis-YYC Calgary

8h 27m1 stop Seattle/Tacoma Intl

7:00 p.m. - 5:10 p.m.YYC Calgary-STL Lambert-St Louis

21h 10m2 stops Seattle/Tacoma Intl Portland

C$ 919Alaska Airlines

Tue, 15 Sep - Wed, 23 Sep

3:19 p.m. - 10:46 p.m.STL Lambert-St Louis-YYC Calgary

8h 27m1 stop Seattle/Tacoma Intl

7:00 p.m. - 5:10 p.m.YYC Calgary-STL Lambert-St Louis

21h 10m2 stops Seattle/Tacoma Intl Portland

C$ 926Alaska Airlines

Tue, 15 Sep - Wed, 23 Sep

6:08 p.m. - 11:13 a.m.STL Lambert-St Louis-YYC Calgary

18h 05m2 stops Portland Seattle/Tacoma Intl

7:00 p.m. - 5:10 p.m.YYC Calgary-STL Lambert-St Louis

21h 10m2 stops Seattle/Tacoma Intl Portland

C$ 944Alaska Airlines

Tue, 15 Sep - Wed, 23 Sep

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

7h 20m1 stop Detroit Metropolitan Wayne County

10:15 a.m. - 11:16 p.m.YYC Calgary-STL Lambert-St Louis

12h 01m1 stop Minneapolis St Paul

C$ 974WestJet

Tue, 15 Sep - Wed, 23 Sep

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

7h 20m1 stop Detroit Metropolitan Wayne County

9:55 p.m. - 11:16 p.m.YYC Calgary-STL Lambert-St Louis

24h 21m2 stops Edmonton Minneapolis St Paul

C$ 989WestJet

Tue, 15 Sep - Wed, 23 Sep

11:21 a.m. - 8:42 p.m.STL Lambert-St Louis-YYC Calgary

10h 21m1 stop Minneapolis St Paul

12:25 p.m. - 11:16 p.m.YYC Calgary-STL Lambert-St Louis

9h 51m2 stops Winnipeg Minneapolis St Paul

C$ 1,003WestJet

Tue, 15 Sep - Wed, 23 Sep

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Air Canada flights from St. Louis to Alberta

Our best Air Canada deals on St. Louis to Alberta flight tickets

Air Canada

22 Nov

STL4:05 p.m.Lambert-St Louis

9h 01m

1 stop

YYC1:06 a.m.Calgary

28 Nov

YYC7:00 a.m.Calgary

7h 26m

1 stop

STL2:26 p.m.Lambert-St Louis

C$ 600

Air Canada

30 Sep

STL12:10 p.m.Lambert-St Louis

10h 17m

1 stop

YYC9:27 p.m.Calgary

5 Oct

YYC7:40 p.m.Calgary

17h 20m

1 stop

STL2:00 p.m.Lambert-St Louis

C$ 626

Air Canada

22 Sep

STL12:10 p.m.Lambert-St Louis

10h 17m

1 stop

YYC9:27 p.m.Calgary

30 Sep

YYC11:55 p.m.Calgary

13h 05m

1 stop

STL2:00 p.m.Lambert-St Louis

C$ 683

United Airlines flights from St. Louis to Alberta

Our best United Airlines deals on St. Louis to Alberta flight tickets

United Airlines

22 Sep

STL1:36 p.m.Lambert-St Louis

5h 54m

1 stop

YYC6:30 p.m.Calgary

26 Sep

YYC6:00 a.m.Calgary

16h 44m

1 stop

STL11:44 p.m.Lambert-St Louis

C$ 710

United Airlines

20 Sep

STL5:30 p.m.Lambert-St Louis

6h 05m

1 stop

YYC10:35 p.m.Calgary

30 Sep

YYC12:30 p.m.Calgary

7h 51m

1 stop

STL9:21 p.m.Lambert-St Louis

C$ 808

United Airlines

30 Oct

STL9:40 a.m.Lambert-St Louis

13h 40m

2 stops

YEG10:20 p.m.Edmonton

31 Oct

YEG6:00 a.m.Edmonton

14h 40m

2 stops

STL9:40 p.m.Lambert-St Louis

C$ 833

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 30/9

2:29 p.m.-3:15 p.m.

2 stops25h 46m

Calgary

Tue 6/10

7:00 a.m.-1:10 p.m.

1 stop29h 10m

C$ 416

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 30/9

2:29 p.m.-3:15 p.m.

2 stops25h 46m

Calgary

Sun 4/10

12:20 a.m.-1:10 p.m.

1 stop11h 50m

C$ 417

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 30/9

2:29 p.m.-3:15 p.m.

2 stops25h 46m

Calgary

Sun 4/10

12:20 a.m.-1:10 p.m.

1 stop11h 50m

C$ 423

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 2/10

2:29 p.m.-11:00 a.m.

1 stop21h 31m

Calgary

Tue 6/10

9:00 p.m.-1:10 p.m.

2 stops15h 10m

C$ 445

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 30/9

8:10 p.m.-2:45 p.m.

1 stop19h 35m

Calgary

Tue 6/10

7:00 a.m.-1:10 p.m.

1 stop29h 10m

C$ 448

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 21/10

6:35 p.m.-11:00 a.m.

1 stop17h 25m

Calgary

Tue 27/10

12:25 a.m.-5:40 p.m.

1 stop16h 15m

C$ 448

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 23/10

6:35 p.m.-11:00 a.m.

1 stop17h 25m

Calgary

Thu 29/10

12:25 a.m.-5:40 p.m.

1 stop16h 15m

C$ 449

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 2/10

2:29 p.m.-11:00 a.m.

1 stop21h 31m

Calgary

Tue 6/10

7:00 a.m.-1:10 p.m.

1 stop29h 10m

C$ 449

Quickest round-trip

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 30/9

8:10 p.m.-2:45 p.m.

1 stop19h 35m

Calgary

Sun 4/10

12:20 a.m.-1:10 p.m.

1 stop11h 50m

C$ 450

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 30/9

8:10 p.m.-2:45 p.m.

1 stop19h 35m

Calgary

Sun 4/10

12:20 a.m.-1:10 p.m.

1 stop11h 50m

C$ 456

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Alberta

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Alberta?

The month of November is, on average, the cheapest month to fly to Alberta from St. Louis, with most prices found around C$ 667. If you aren’t able to travel during the month of November, then book flights to Alberta from St. Louis during April instead. Flights to Alberta in April, while not as cheap as those in November, still average around C$ 811.

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

You are more likely to see cheaper flights to Alberta from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Alberta for around C$ 931 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alberta from St. Louis for as low as C$ 789 on momondo.

Can stopping save me money on St. Louis to Alberta flights?

You could potentially save up to 43% on your flight if you consider stops on a St. Louis to Alberta flight.

Cheap St. Louis to Alberta flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Alberta

Best price found	C$ 225
Fastest flight time	7h 08m
Direct flights	None

The best one-way flight to Alberta from St. Louis in the past 72 hours is C$ 225. The best round-trip flight deal from St. Louis to Alberta found on momondo in the last 72 hours is C$ 416.

The fastest flight from St. Louis to Alberta takes 7h 08m

There are no direct flights from St. Louis to Alberta. There are no popular flight routes from St. Louis to Alberta.

Search flight deals

Frequently asked questions about flying from St. Louis to Alberta

When did momondo last update prices for flights from Lambert-St Louis Airport to Alberta?
Prices for flights from Lambert-St Louis Airport to Alberta were last updated today.
How old do you have to be to fly from Lambert-St Louis Airport to Alberta?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Alberta.
What documentation or ID do you need to fly to Alberta?
The travel and health documents required for your trip to Alberta can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Alberta. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Alberta?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Alberta for you.

Can I find flights from St. Louis to Alberta with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Alberta flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Alberta?

Once you have performed a search for St. Louis to Alberta flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Alberta right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Alberta from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.