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 airlines fly to Alberta?

United Airlines, American Airlines and WestJet are the top three most popular airlines that fly to Alberta from St. Louis according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Alberta. Keep in mind that there are 5 different airlines that fly to Alberta on a routine basis, so you have a few additional options to choose from.

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

American Airlines, Delta, and United Airlines 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 are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Alberta?

As of September 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Alberta.

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 you'll need for your trip to Alberta may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alberta. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$192 Cheap Flights from St. Louis to Alberta in 2026

Discover deals from 900+ travel sites with momondo.

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 pm - 9:50 pmSTL Lambert-St Louis-YYC Calgary

8h 21m1 stop Atlanta Hartsfield-Jackson

9:00 pm - 1:10 pmYYC Calgary-STL Lambert-St Louis

15h 10m2 stops Vancouver Intl Atlanta Hartsfield-Jackson

$291Multiple Airlines

Fri, Sep 25 - Tue, Sep 29

2:29 pm - 5:10 pmSTL Lambert-St Louis-YYC Calgary

27h 41m1 stop Atlanta Hartsfield-Jackson

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

29h 10m1 stop Atlanta Hartsfield-Jackson

$298Multiple Airlines

Fri, Sep 25 - Tue, Sep 29

11:01 am - 11:29 pmSTL Lambert-St Louis-YYC Calgary

13h 28m1 stop Chicago O'Hare Intl

1:51 pm - 12:27 amYYC Calgary-STL Lambert-St Louis

9h 36m1 stop Chicago O'Hare Intl

$417American Airlines

Fri, Sep 25 - Sat, Oct 3

7:29 am - 12:51 pmSTL Lambert-St Louis-YYC Calgary

6h 22m1 stop Chicago O'Hare Intl

1:51 pm - 10:51 amYYC Calgary-STL Lambert-St Louis

20h 00m1 stop Chicago O'Hare Intl

$448American Airlines

Sun, Oct 18 - Sun, Oct 25

12:10 pm - 9:27 pmSTL Lambert-St Louis-YYC Calgary

10h 17m1 stop Montreal Pierre Elliott Trudeau Intl

11:55 pm - 2:00 pmYYC Calgary-STL Lambert-St Louis

13h 05m1 stop Toronto Pearson Intl

$494Air Canada

Tue, Sep 22 - Wed, Sep 30

2:28 pm - 1:21 amSTL Lambert-St Louis-YYC Calgary

10h 53m1 stop Salt Lake City

8:45 am - 3:30 pmYYC Calgary-STL Lambert-St Louis

6h 45m1 stop Minneapolis St Paul

$502Delta

Wed, Dec 9 - Sun, Dec 13

6:00 am - 11:28 amSTL Lambert-St Louis-YYC Calgary

6h 28m1 stop Chicago O'Hare Intl

12:30 pm - 9:21 pmYYC Calgary-STL Lambert-St Louis

7h 51m1 stop Chicago O'Hare Intl

$512United Airlines

Mon, Oct 19 - Wed, Oct 21

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

$512United Airlines

Mon, Nov 23 - 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

$514Air Canada

Tue, Nov 24 - Fri, Nov 27

5:00 pm - 11:06 pmSTL Lambert-St Louis-YYC Calgary

7h 06m1 stop Salt Lake City

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

9h 12m1 stop Minneapolis St Paul

$518Delta

Sat, Sep 19 - Sat, Sep 26

Cheap last minute flights

Enter your travel dates to find the best prices.

8:10 pm - 12:10 pmSTL Lambert-St Louis-YYC Calgary

17h 00m2 stops Denver Intl Phoenix Sky Harbor Intl

10:15 am - 4:47 pmYYC Calgary-STL Lambert-St Louis

5h 32m1 stop Minneapolis St Paul

$568Multiple Airlines

Mon, Sep 14 - Fri, Sep 18

2:29 pm - 11:00 amSTL Lambert-St Louis-YYC Calgary

21h 31m1 stop Atlanta Hartsfield-Jackson

2:15 pm - 11:16 pmYYC Calgary-STL Lambert-St Louis

8h 01m1 stop Minneapolis St Paul

$641Multiple Airlines

Mon, Sep 14 - Fri, Sep 18

10:40 am - 5:10 pmSTL Lambert-St Louis-YYC Calgary

7h 30m1 stop Atlanta Hartsfield-Jackson

7:45 pm - 11:27 amYYC Calgary-STL Lambert-St Louis

14h 42m1 stop Las Vegas Harry Reid Intl

$647Multiple Airlines

Thu, Sep 10 - Thu, Sep 17

11:21 am - 5:00 pmSTL Lambert-St Louis-YYC Calgary

6h 39m1 stop Minneapolis St Paul

6:33 am - 2:21 pmYYC Calgary-STL Lambert-St Louis

6h 48m1 stop Seattle/Tacoma Intl

$652Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

5:00 am - 12:56 pmSTL Lambert-St Louis-YYC Calgary

8h 56m1 stop Chicago O'Hare Intl

7:00 am - 4:48 pmYYC Calgary-STL Lambert-St Louis

8h 48m1 stop Chicago O'Hare Intl

$686American Airlines

Wed, Sep 9 - Wed, Sep 16

5:00 am - 11:29 pmSTL Lambert-St Louis-YYC Calgary

19h 29m1 stop Chicago O'Hare Intl

6:45 am - 4:40 pmYYC Calgary-STL Lambert-St Louis

8h 55m1 stop Dallas/Fort Worth

$689American Airlines

Sat, Sep 12 - Tue, Sep 22

7:05 am - 5:10 pmSTL Lambert-St Louis-YYC Calgary

11h 05m1 stop Atlanta Hartsfield-Jackson

6:35 am - 3:12 pmYYC Calgary-STL Lambert-St Louis

7h 37m1 stop Minneapolis St Paul

$689WestJet

Wed, Sep 9 - Wed, Sep 16

6:15 am - 3:15 pmSTL Lambert-St Louis-YYC Calgary

10h 00m2 stops Minneapolis St Paul Vancouver Intl

7:00 am - 4:47 pmYYC Calgary-STL Lambert-St Louis

8h 47m2 stops Edmonton Minneapolis St Paul

$731WestJet

Thu, Sep 10 - Sat, Sep 12

10:40 am - 5:10 pmSTL Lambert-St Louis-YYC Calgary

7h 30m1 stop Atlanta Hartsfield-Jackson

5:30 pm - 11:16 pmYYC Calgary-STL Lambert-St Louis

28h 46m2 stops Edmonton Minneapolis St Paul

$740WestJet

Wed, Sep 9 - Wed, Sep 16

9:00 am - 1:53 pmSTL Lambert-St Louis-YYC Calgary

5h 53m1 stop Denver Intl

6:00 am - 12:40 pmYYC Calgary-STL Lambert-St Louis

5h 40m1 stop Denver Intl

$800United Airlines

Thu, Sep 10 - Thu, Sep 17

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Delta flights from St. Louis to Alberta

Our best Delta deals on St. Louis to Alberta flight tickets

Delta

Sep 22

STL6:15 amLambert-St Louis

7h 45m

1 stop

YYC1:00 pmCalgary

Sep 26

YYC6:35 amCalgary

9h 12m

1 stop

STL4:47 pmLambert-St Louis

$487

Delta

Dec 9

STL2:28 pmLambert-St Louis

10h 53m

1 stop

YYC1:21 amCalgary

Dec 13

YYC8:45 amCalgary

6h 45m

1 stop

STL3:30 pmLambert-St Louis

$502

Delta

Sep 19

STL5:00 pmLambert-St Louis

7h 06m

1 stop

YYC11:06 pmCalgary

Sep 26

YYC6:35 amCalgary

9h 12m

1 stop

STL4:47 pmLambert-St Louis

$518

WestJet flights from St. Louis to Alberta

Our best WestJet deals on St. Louis to Alberta flight tickets

WestJet

Nov 24

STL10:00 amLambert-St Louis

9h 55m

1 stop

YYC7:55 pmCalgary

Nov 27

YYC2:25 pmCalgary

4h 06m

1 stop

STL6:31 pmLambert-St Louis

$538

WestJet

Nov 24

STL6:40 amLambert-St Louis

16h 55m

2 stops

YYC11:35 pmCalgary

Nov 26

YYC1:25 amCalgary

10h 58m

1 stop

STL12:23 pmLambert-St Louis

$548

WestJet

Nov 24

STL6:40 amLambert-St Louis

15h 05m

2 stops

YYC9:45 pmCalgary

Nov 27

YYC2:25 pmCalgary

4h 06m

1 stop

STL6:31 pmLambert-St Louis

$557

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 9/25

2:29 pm-9:50 pm

1 stop8h 21m

Calgary

Tue 9/29

9:00 pm-1:10 pm

2 stops15h 10m

$291

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 9/25

2:29 pm-5:10 pm

1 stop27h 41m

Calgary

Tue 9/29

7:00 am-1:10 pm

1 stop29h 10m

$298

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 9/25

11:01 am-11:29 pm

1 stop13h 28m

Calgary

Sat 10/3

1:51 pm-12:27 am

1 stop9h 36m

$417

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Sun 10/18

7:29 am-12:51 pm

1 stop6h 22m

Calgary

Sun 10/25

1:51 pm-10:51 am

1 stop20h 00m

$448

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Tue 9/22

12:10 pm-9:27 pm

1 stop10h 17m

Calgary

Wed 9/30

11:55 pm-2:00 pm

1 stop13h 05m

$494

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 12/9

2:28 pm-1:21 am

1 stop10h 53m

Calgary

Sun 12/13

8:45 am-3:30 pm

1 stop6h 45m

$502

Quickest round-trip

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Mon 10/19

6:00 am-11:28 am

1 stop6h 28m

Calgary

Wed 10/21

12:30 pm-9:21 pm

1 stop7h 51m

$512

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Mon 11/23

8:40 am-4:21 pm

1 stop7h 41m

Calgary

Sat 11/28

3:06 pm-10:39 pm

1 stop7h 33m

$512

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Tue 11/24

4:05 pm-1:06 am

1 stop9h 01m

Calgary

Fri 11/27

7:00 am-2:26 pm

1 stop7h 26m

$514

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Sat 9/19

5:00 pm-11:06 pm

1 stop7h 06m

Calgary

Sat 9/26

6:35 am-4:47 pm

1 stop9h 12m

$518

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 $483. If you don’t want to visit Alberta in November, then you should wait until April to fly from St. Louis, when ticket prices are also cheap, with an average price of $587.

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 $674 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 $571 on momondo.

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

You could potentially save up to 79% 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	$192
Fastest flight time	5h 54m
Direct flights	None

The best one-way flight to Alberta from St. Louis in the past 72 hours is $192. The best round-trip flight deal from St. Louis to Alberta found on momondo in the last 72 hours is $291.

The fastest flight from St. Louis to Alberta takes 5h 54m

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Alberta?
As of September 2026, there are 5 operators available to choose from for flights from Lambert-St Louis Airport to Alberta.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 you'll need for your trip to Alberta may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alberta. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Alberta

Compare and see reviews for airlines that fly from St. Louis to Alberta with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $252	Free Cancellation	Rating 7.1 11,600 reviews	Search Air Canada flights
Delta	PriceFrom $267	Free Cancellation	Rating 7.8 8,548 reviews	Search Delta flights
WestJet	PriceFrom $434	Free Cancellation	Rating 7.2 3,447 reviews	Search WestJet flights
United Airlines	PriceFrom $483	Free Cancellation	Rating 7.4 10,180 reviews	Search United Airlines flights
American Airlines	PriceFrom $557	Free Cancellation	Rating 7.1 12,042 reviews	Search American Airlines flights

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?

momondo does allow users to show only those flights to Alberta from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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?

If you are simply researching potential flights to Alberta, momondo offers a useful price alert feature which will track prices for flights to Alberta from St. Louis and alert you when they change.