What airlines fly to Alberta?

American Airlines, United Airlines and WestJet are the top three most popular airlines that fly to Alberta from St. Louis according to our data. American 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 4 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 is the most popular carrier operating from Lambert-St Louis to Alberta

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

As of July 2026, there are 6 flights per week flying from St. Louis to Alberta. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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 July 2026, there are 4 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.

$145 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.

6:17 pm - 9:50 pm

STL

YYC

28h 33m

1 stop

7:00 am - 5:22 pm

YYC

STL

9h 22m

1 stop

$309Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

2:29 pm - 9:50 pm

STL

YYC

8h 21m

1 stop

12:20 am - 9:40 am

YYC

STL

8h 20m

1 stop

$310Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

6:00 am - 11:42 pm

STL

YYC

18h 42m

1 stop

7:00 am - 12:14 am

YYC

STL

16h 14m

1 stop

$372American Airlines

Tue, Aug 18 - Tue, Aug 25

8:07 pm - 12:57 pm

STL

YYC

17h 50m

1 stop

7:00 am - 11:58 pm

YYC

STL

15h 58m

1 stop

$372American Airlines

Mon, Aug 17 - Sat, Aug 22

6:15 am - 5:00 pm

STL

YYC

11h 45m

1 stop

9:00 pm - 10:51 am

YYC

STL

12h 51m

2 stops

$414WestJet

Mon, Oct 5 - Mon, Oct 5

6:00 am - 5:10 pm

STL

YYC

12h 10m

1 stop

10:15 am - 3:12 pm

YYC

STL

27h 57m

1 stop

$416WestJet

Tue, Sep 15 - Wed, Sep 23

8:50 am - 10:37 pm

STL

YYC

14h 47m

1 stop

8:30 am - 3:38 pm

YYC

STL

6h 08m

1 stop

$471United Airlines

Mon, Aug 31 - Wed, Sep 2

4:40 pm - 9:48 pm

STL

YYC

6h 08m

1 stop

8:00 am - 4:34 pm

YYC

STL

7h 34m

1 stop

$471United Airlines

Mon, Aug 31 - Wed, Sep 2

5:34 pm - 10:30 pm

STL

YYC

29h 56m

2 stops

11:05 am - 11:16 pm

YYC

STL

11h 11m

2 stops

$648Delta

Sat, Sep 5 - Wed, Sep 9

11:13 am - 7:40 pm

STL

YYC

9h 27m

2 stops

7:00 am - 4:44 pm

YYC

STL

8h 44m

2 stops

$1,025Delta

Sat, Sep 5 - Mon, Sep 7

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WestJet flights from St. Louis to Alberta

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

WestJet

Oct 5

STL6:15 amLambert-St Louis

11h 45m

1 stop

YYC5:00 pmCalgary

Oct 5

YYC9:00 pmCalgary

12h 51m

2 stops

STL10:51 amLambert-St Louis

$414

WestJet

Aug 29

STL6:20 amLambert-St Louis

11h 40m

1 stop

YYC5:00 pmCalgary

Sep 3

YYC12:20 amCalgary

8h 00m

1 stop

STL9:20 amLambert-St Louis

$417

WestJet

Sep 15

STL6:00 amLambert-St Louis

12h 10m

1 stop

YYC5:10 pmCalgary

Sep 23

YYC10:15 amCalgary

12h 01m

1 stop

STL11:16 pmLambert-St Louis

$418

American Airlines flights from St. Louis to Alberta

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

American Airlines

Aug 17

STL8:07 pmLambert-St Louis

17h 50m

1 stop

YYC12:57 pmCalgary

Aug 22

YYC7:00 amCalgary

15h 58m

1 stop

STL11:58 pmLambert-St Louis

$372

American Airlines

Aug 18

STL6:00 amLambert-St Louis

18h 42m

1 stop

YYC11:42 pmCalgary

Aug 25

YYC7:00 amCalgary

16h 14m

1 stop

STL12:14 amLambert-St Louis

$383

American Airlines

Aug 18

STL6:00 amLambert-St Louis

18h 42m

1 stop

YYC11:42 pmCalgary

Aug 25

YYC7:00 amCalgary

16h 14m

1 stop

STL12:14 amLambert-St Louis

$392

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 8/24

6:17 pm-9:50 pm

1 stop28h 33m

Calgary

Mon 8/31

7:00 am-5:22 pm

1 stop9h 22m

$309

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 10/5

2:29 pm-9:50 pm

1 stop8h 21m

Calgary

Mon 10/12

12:20 am-9:40 am

1 stop8h 20m

$310

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/18

6:00 am-11:42 pm

1 stop18h 42m

Calgary

Tue 8/25

7:00 am-12:14 am

1 stop16h 14m

$372

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 8/17

8:07 pm-12:57 pm

1 stop17h 50m

Calgary

Sat 8/22

7:00 am-11:58 pm

1 stop15h 58m

$372

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 10/5

6:15 am-5:00 pm

1 stop11h 45m

Calgary

Mon 10/5

9:00 pm-10:51 am

2 stops12h 51m

$414

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 9/15

6:00 am-5:10 pm

1 stop12h 10m

Calgary

Wed 9/23

10:15 am-3:12 pm

1 stop27h 57m

$416

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 8/31

8:50 am-10:37 pm

1 stop14h 47m

Calgary

Wed 9/2

8:30 am-3:38 pm

1 stop6h 08m

$471

Quickest round-trip

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 8/31

4:40 pm-9:48 pm

1 stop6h 08m

Calgary

Wed 9/2

8:00 am-4:34 pm

1 stop7h 34m

$471

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 9/5

5:34 pm-10:30 pm

2 stops29h 56m

Calgary

Wed 9/9

11:05 am-11:16 pm

2 stops11h 11m

$648

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 9/5

11:13 am-7:40 pm

2 stops9h 27m

Calgary

Mon 9/7

7:00 am-4:44 pm

2 stops8h 44m

$1,025

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 $551. If you don’t want to visit Alberta in November, then you should wait until October to fly from St. Louis, when ticket prices are also cheap, with an average price of $567.

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 $680 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 83% 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

Fastest flight time	5h 47m
Direct flights	None

The fastest flight from St. Louis to Alberta takes 5h 47m

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 July 2026, there are 4 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 $200	Free Cancellation	Rating 7.1 11,392 reviews	Search Air Canada flights
Delta	PriceFrom $267	Free Cancellation	Rating 7.8 8,483 reviews	Search Delta flights
United Airlines	PriceFrom $427	Free Cancellation	Rating 7.4 10,042 reviews	Search United Airlines flights
WestJet	PriceFrom $461	Free Cancellation	Rating 7.2 3,415 reviews	Search WestJet flights
American Airlines	PriceFrom $504	Free Cancellation	Rating 7.1 11,837 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.