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 31% 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?

United Airlines and Alaska 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 October 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.

$154 Cheap Flights from St. Louis to Alberta in 2026/27

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.

7:58 pm - 5:10 pmSTL Lambert-St Louis-YYC Calgary

21h 12m2 stops Denver Intl Phoenix Sky Harbor Intl

1:25 am - 11:17 amYYC Calgary-STL Lambert-St Louis

9h 52m1 stop Atlanta Hartsfield-Jackson

$371Multiple Airlines

Wed, Dec 2 - Tue, Dec 8

3:04 pm - 10:15 pmSTL Lambert-St Louis-YYC Calgary

31h 11m2 stops Denver Intl Phoenix Sky Harbor Intl

1:25 am - 11:10 amYYC Calgary-STL Lambert-St Louis

9h 45m1 stop Atlanta Hartsfield-Jackson

$388Multiple Airlines

Wed, Nov 25 - Tue, Dec 1

2:54 pm - 10:58 pmSTL Lambert-St Louis-YYC Calgary

8h 04m1 stop Dallas/Fort Worth

3:19 pm - 8:29 amYYC Calgary-STL Lambert-St Louis

17h 10m1 stop Chicago O'Hare Intl

$540American Airlines

Fri, Dec 11 - Fri, Dec 18

8:52 am - 3:21 pmSTL Lambert-St Louis-YYC Calgary

6h 29m1 stop Denver Intl

10:40 am - 8:38 pmYYC Calgary-STL Lambert-St Louis

9h 58m1 stop Denver Intl

$541United Airlines

Wed, Jan 6 - Mon, Jan 11

8:52 am - 3:21 pmSTL Lambert-St Louis-YYC Calgary

6h 29m1 stop Denver Intl

7:00 am - 2:03 pmYYC Calgary-STL Lambert-St Louis

7h 03m1 stop Denver Intl

$541United Airlines

Wed, Jan 20 - Thu, Jan 28

12:31 pm - 10:07 pmSTL Lambert-St Louis-YYC Calgary

9h 36m1 stop Minneapolis St Paul

2:25 pm - 11:26 pmYYC Calgary-STL Lambert-St Louis

9h 01m1 stop Minneapolis St Paul

$542WestJet

Wed, Dec 9 - Sun, Dec 13

4:05 pm - 12:06 amSTL Lambert-St Louis-YYC Calgary

8h 01m1 stop Toronto Pearson Intl

7:00 am - 3:26 pmYYC Calgary-STL Lambert-St Louis

8h 26m1 stop Toronto Pearson Intl

$542Air Canada

Mon, Nov 23 - Sat, Nov 28

4:05 pm - 12:06 amSTL Lambert-St Louis-YYC Calgary

8h 01m1 stop Toronto Pearson Intl

7:00 am - 3:26 pmYYC Calgary-STL Lambert-St Louis

8h 26m1 stop Toronto Pearson Intl

$542Air Canada

Sun, Nov 22 - Sat, Nov 28

5:49 pm - 1:46 pmSTL Lambert-St Louis-YYC Calgary

19h 57m1 stop Chicago O'Hare Intl

2:52 pm - 11:04 amYYC Calgary-STL Lambert-St Louis

20h 12m1 stop Chicago O'Hare Intl

$567American Airlines

Wed, Jan 20 - Thu, Jan 28

3:32 pm - 10:07 pmSTL Lambert-St Louis-YYC Calgary

6h 35m1 stop Minneapolis St Paul

8:45 am - 4:30 pmYYC Calgary-STL Lambert-St Louis

7h 45m1 stop Minneapolis St Paul

$584WestJet

Wed, Dec 9 - Sun, Dec 13

Cheap last minute flights

Enter your travel dates to find the best prices.

8:50 am - 9:53 pmSTL Lambert-St Louis-YYC Calgary

14h 03m1 stop Denver Intl

3:06 pm - 8:59 pmYYC Calgary-STL Lambert-St Louis

5h 53m1 stop Denver Intl

$777United Airlines

Fri, Oct 30 - Tue, Nov 3

4:39 pm - 9:53 pmSTL Lambert-St Louis-YYC Calgary

6h 14m1 stop Denver Intl

7:00 am - 12:38 pmYYC Calgary-STL Lambert-St Louis

5h 38m1 stop Denver Intl

$787United Airlines

Fri, Oct 30 - Tue, Nov 3

4:39 pm - 9:53 pmSTL Lambert-St Louis-YYC Calgary

6h 14m1 stop Denver Intl

7:00 am - 4:57 pmYYC Calgary-STL Lambert-St Louis

9h 57m1 stop Denver Intl

$819United Airlines

Fri, Oct 30 - Tue, Nov 3

8:30 am - 8:29 pmSTL Lambert-St Louis-YYC Calgary

12h 59m2 stops Chicago O'Hare Intl Toronto Pearson Intl

7:00 am - 3:26 pmYYC Calgary-STL Lambert-St Louis

8h 26m1 stop Toronto Pearson Intl

$896Air Canada

Fri, Oct 30 - Tue, Nov 3

8:30 am - 8:29 pmSTL Lambert-St Louis-YYC Calgary

12h 59m2 stops Chicago O'Hare Intl Toronto Pearson Intl

1:20 am - 12:10 pmYYC Calgary-STL Lambert-St Louis

10h 50m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$911Air Canada

Fri, Oct 30 - Mon, Nov 2

8:30 am - 8:29 pmSTL Lambert-St Louis-YYC Calgary

12h 59m2 stops Chicago O'Hare Intl Toronto Pearson Intl

7:00 am - 3:26 pmYYC Calgary-STL Lambert-St Louis

8h 26m1 stop Toronto Pearson Intl

$937Air Canada

Fri, Oct 30 - Tue, Nov 3

7:30 am - 4:54 pmSTL Lambert-St Louis-YYC Calgary

10h 24m2 stops Chicago O'Hare Intl Toronto Pearson Intl

7:00 am - 3:26 pmYYC Calgary-STL Lambert-St Louis

8h 26m1 stop Toronto Pearson Intl

$937Air Canada

Fri, Oct 30 - Tue, Nov 3

8:30 am - 8:29 pmSTL Lambert-St Louis-YYC Calgary

12h 59m2 stops Chicago O'Hare Intl Toronto Pearson Intl

7:00 am - 3:26 pmYYC Calgary-STL Lambert-St Louis

8h 26m1 stop Toronto Pearson Intl

$938Air Canada

Fri, Oct 30 - Tue, Nov 3

7:30 am - 4:54 pmSTL Lambert-St Louis-YYC Calgary

10h 24m2 stops Chicago O'Hare Intl Toronto Pearson Intl

7:00 am - 3:26 pmYYC Calgary-STL Lambert-St Louis

8h 26m1 stop Toronto Pearson Intl

$938Air Canada

Fri, Oct 30 - Tue, Nov 3

8:30 am - 8:29 pmSTL Lambert-St Louis-YYC Calgary

12h 59m2 stops Chicago O'Hare Intl Toronto Pearson Intl

1:20 am - 12:10 pmYYC Calgary-STL Lambert-St Louis

10h 50m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$953Air Canada

Fri, Oct 30 - Mon, Nov 2

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United Airlines flights from St. Louis to Alberta

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

United Airlines

Jan 20

STL8:52 amLambert-St Louis

6h 29m

1 stop

YYC3:21 pmCalgary

Jan 28

YYC7:00 amCalgary

7h 03m

1 stop

STL2:03 pmLambert-St Louis

$541

United Airlines

Nov 23

STL6:00 amLambert-St Louis

6h 35m

1 stop

YYC12:35 pmCalgary

Nov 28

YYC7:00 amCalgary

16h 39m

1 stop

STL11:39 pmLambert-St Louis

$546

United Airlines

Mar 9

STL5:00 amLambert-St Louis

8h 00m

1 stop

YYC1:00 pmCalgary

Mar 9

YYC3:06 pmCalgary

6h 46m

1 stop

STL9:52 pmLambert-St Louis

$563

Air Canada flights from St. Louis to Alberta

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

Air Canada

Nov 22

STL4:05 pmLambert-St Louis

8h 01m

1 stop

YYC12:06 amCalgary

Nov 28

YYC7:00 amCalgary

8h 26m

1 stop

STL3:26 pmLambert-St Louis

$542

Air Canada

Nov 22

STL4:05 pmLambert-St Louis

8h 01m

1 stop

YYC12:06 amCalgary

Nov 28

YYC7:00 amCalgary

8h 26m

1 stop

STL3:26 pmLambert-St Louis

$547

Air Canada

Dec 11

STL8:40 amLambert-St Louis

14h 40m

1 stop

YEG11:20 pmEdmonton

Dec 13

YEG12:15 pmEdmonton

10h 44m

2 stops

STL10:59 pmLambert-St Louis

$824

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 12/2

7:58 pm-5:10 pm

2 stops21h 12m

Calgary

Tue 12/8

1:25 am-11:17 am

1 stop9h 52m

$371

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 11/25

3:04 pm-10:15 pm

2 stops31h 11m

Calgary

Tue 12/1

1:25 am-11:10 am

1 stop9h 45m

$388

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 12/11

2:54 pm-10:58 pm

1 stop8h 04m

Calgary

Fri 12/18

3:19 pm-8:29 am

1 stop17h 10m

$540

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 1/6

8:52 am-3:21 pm

1 stop6h 29m

Calgary

Mon 1/11

10:40 am-8:38 pm

1 stop9h 58m

$541

Quickest round-trip

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 1/20

8:52 am-3:21 pm

1 stop6h 29m

Calgary

Thu 1/28

7:00 am-2:03 pm

1 stop7h 03m

$541

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 12/9

12:31 pm-10:07 pm

1 stop9h 36m

Calgary

Sun 12/13

2:25 pm-11:26 pm

1 stop9h 01m

$542

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Mon 11/23

4:05 pm-12:06 am

1 stop8h 01m

Calgary

Sat 11/28

7:00 am-3:26 pm

1 stop8h 26m

$542

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Sun 11/22

4:05 pm-12:06 am

1 stop8h 01m

Calgary

Sat 11/28

7:00 am-3:26 pm

1 stop8h 26m

$542

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 1/20

5:49 pm-1:46 pm

1 stop19h 57m

Calgary

Thu 1/28

2:52 pm-11:04 am

1 stop20h 12m

$567

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 12/9

3:32 pm-10:07 pm

1 stop6h 35m

Calgary

Sun 12/13

8:45 am-4:30 pm

1 stop7h 45m

$584

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

What is the cheapest month to fly to Alberta?

The month of April is, on average, the cheapest month to fly to Alberta from St. Louis, with most prices found around $564. If you don’t want to visit Alberta in April, then you should wait until November to fly from St. Louis, when ticket prices are also cheap, with an average price of $606.

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 $690 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 74% 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	$154
Fastest flight time	6h 08m
Direct flights	None

The best one-way flight to Alberta from St. Louis in the past 72 hours is $154. The best round-trip flight deal from St. Louis to Alberta found on momondo in the last 72 hours is $371.

The fastest flight from St. Louis to Alberta takes 6h 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 are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Alberta?
As of October 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
Delta	PriceFrom $266	Free Cancellation	Rating 7.8 8,680 reviews	Search Delta flights
Air Canada	PriceFrom $407	Free Cancellation	Rating 7.1 11,819 reviews	Search Air Canada flights
WestJet	PriceFrom $434	Free Cancellation	Rating 7.2 3,444 reviews	Search WestJet flights
United Airlines	PriceFrom $483	Free Cancellation	Rating 7.3 10,442 reviews	Search United Airlines flights
American Airlines	PriceFrom $557	Free Cancellation	Rating 7.0 12,189 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.