Which airlines fly to St. Louis?

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to St. Louis from Alberta according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when travelling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to St. Louis?

Flight times vary depending on what airport in Alberta you fly out of and what airport in St. Louis you fly into. For example, flying from Edmonton to St. Louis takes 6h 16m on average. On the other hand, flying from Calgary to St. Louis takes 9h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

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

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

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

Prices for flights from Alberta to Lambert-St Louis Airport refresh daily.

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

As of January 2026, there are 3 operators available to choose from for flights from Alberta to Lambert-St Louis Airport.

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

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 Alberta to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 223 Cheap Flights from Alberta to St. Louis in 2026

1 adult

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Find the cheapest flights from Alberta to St. Louis

Round-trip

One-way

Cheap round-trip flights

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12:30 a.m. - 10:31 a.m.

YYC

STL

9h 01m1 stop

9:50 a.m. - 8:24 p.m.

STL

YYC

11h 34m2 stops

C$ 450Multiple Airlines

Mon, 23 Mar - Fri, 27 Mar

12:30 a.m. - 11:33 p.m.

YYC

STL

22h 03m2 stops

8:22 p.m. - 11:44 a.m.

STL

YYC

16h 22m1 stop

C$ 509Multiple Airlines

Tue, 20 Jan - Mon, 26 Jan

7:40 a.m. - 4:45 p.m.

YYC

STL

8h 05m2 stops

11:23 a.m. - 8:54 p.m.

STL

YYC

10h 31m1 stop

C$ 553Delta

Wed, 21 Jan - Wed, 28 Jan

7:40 a.m. - 11:25 p.m.

YYC

STL

14h 45m2 stops

11:23 a.m. - 11:02 p.m.

STL

YYC

12h 39m2 stops

C$ 610Delta

Wed, 21 Jan - Mon, 26 Jan

5:35 a.m. - 3:29 p.m.

YYC

STL

8h 54m1 stop

4:05 p.m. - 12:59 a.m.

STL

YYC

9h 54m1 stop

C$ 625Air Canada

Tue, 24 Mar - Fri, 27 Mar

11:37 a.m. - 11:59 p.m.

YEG

STL

11h 22m1 stop

7:00 a.m. - 10:47 a.m.

STL

YEG

28h 47m1 stop

C$ 637Alaska Airlines

Thu, 12 Feb - Mon, 16 Feb

12:30 a.m. - 6:51 a.m.

YYC

STL

29h 21m1 stop

10:11 p.m. - 9:34 a.m.

STL

YYC

36h 23m2 stops

C$ 647Multiple Airlines

Thu, 12 Feb - Thu, 19 Feb

6:00 a.m. - 1:16 p.m.

YEG

STL

6h 16m1 stop

2:45 p.m. - 10:19 p.m.

STL

YEG

8h 34m1 stop

C$ 657United Airlines

Sat, 17 Jan - Wed, 21 Jan

11:37 a.m. - 11:59 p.m.

YEG

STL

11h 22m1 stop

2:47 p.m. - 11:20 a.m.

STL

YEG

45h 33m2 stops

C$ 668Multiple Airlines

Thu, 12 Feb - Mon, 16 Feb

6:00 a.m. - 3:29 p.m.

YEG

STL

8h 29m1 stop

4:05 p.m. - 11:18 p.m.

STL

YEG

8h 13m1 stop

C$ 672Air Canada

Tue, 17 Feb - Sat, 21 Feb

Delta flights from Alberta to St. Louis

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

Delta

21 Jan

YYC7:40 a.m.Calgary

8h 05m

2 stops

STL4:45 p.m.Lambert-St Louis

28 Jan

STL11:23 a.m.Lambert-St Louis

10h 31m

1 stop

YYC8:54 p.m.Calgary

C$ 553

Find similar

Delta

21 Jan

YYC7:40 a.m.Calgary

14h 45m

2 stops

STL11:25 p.m.Lambert-St Louis

26 Jan

STL11:23 a.m.Lambert-St Louis

12h 39m

2 stops

YYC11:02 p.m.Calgary

C$ 610

Find similar

Delta

15 Jan

YYC6:30 a.m.Calgary

13h 13m

2 stops

STL8:43 p.m.Lambert-St Louis

19 Jan

STL2:38 p.m.Lambert-St Louis

9h 24m

1 stop

YYC11:02 p.m.Calgary

C$ 653

Find similar

Air Canada flights from Alberta to St. Louis

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

Air Canada

15 Jan

YYC5:35 a.m.Calgary

8h 54m

1 stop

STL3:29 p.m.Lambert-St Louis

19 Jan

STL4:05 p.m.Lambert-St Louis

9h 09m

1 stop

YYC12:14 a.m.Calgary

C$ 611

Find similar

Air Canada

15 Jan

YYC5:35 a.m.Calgary

8h 54m

1 stop

STL3:29 p.m.Lambert-St Louis

19 Jan

STL4:05 p.m.Lambert-St Louis

9h 09m

1 stop

YYC12:14 a.m.Calgary

C$ 613

Find similar

Air Canada

24 Mar

YYC5:35 a.m.Calgary

8h 54m

1 stop

STL3:29 p.m.Lambert-St Louis

27 Mar

STL4:05 p.m.Lambert-St Louis

9h 54m

1 stop

YYC12:59 a.m.Calgary

C$ 625

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 23/3

12:30 a.m.-10:31 a.m.

1 stop9h 01m

Lambert-St Louis

Fri 27/3

9:50 a.m.-8:24 p.m.

2 stops11h 34m

C$ 450

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 20/1

12:30 a.m.-11:33 p.m.

2 stops22h 03m

Lambert-St Louis

Mon 26/1

8:22 p.m.-11:44 a.m.

1 stop16h 22m

C$ 509

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 21/1

7:40 a.m.-4:45 p.m.

2 stops8h 05m

Lambert-St Louis

Wed 28/1

11:23 a.m.-8:54 p.m.

1 stop10h 31m

C$ 553

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 21/1

7:40 a.m.-11:25 p.m.

2 stops14h 45m

Lambert-St Louis

Mon 26/1

11:23 a.m.-11:02 p.m.

2 stops12h 39m

C$ 610

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 24/3

5:35 a.m.-3:29 p.m.

1 stop8h 54m

Lambert-St Louis

Fri 27/3

4:05 p.m.-12:59 a.m.

1 stop9h 54m

C$ 625

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 12/2

11:37 a.m.-11:59 p.m.

1 stop11h 22m

Lambert-St Louis

Mon 16/2

7:00 a.m.-10:47 a.m.

1 stop28h 47m

C$ 637

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 12/2

12:30 a.m.-6:51 a.m.

1 stop29h 21m

Lambert-St Louis

Thu 19/2

10:11 p.m.-9:34 a.m.

2 stops36h 23m

C$ 647

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 17/1

6:00 a.m.-1:16 p.m.

1 stop6h 16m

Lambert-St Louis

Wed 21/1

2:45 p.m.-10:19 p.m.

1 stop8h 34m

C$ 657

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 12/2

11:37 a.m.-11:59 p.m.

1 stop11h 22m

Lambert-St Louis

Mon 16/2

2:47 p.m.-11:20 a.m.

2 stops45h 33m

C$ 668

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 17/2

6:00 a.m.-3:29 p.m.

1 stop8h 29m

Lambert-St Louis

Sat 21/2

4:05 p.m.-11:18 p.m.

1 stop8h 13m

C$ 672

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 Alberta to St. Louis

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 St. Louis?

The month of February is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 569. If you don’t want to visit St. Louis in February, then you should wait until July to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 573.

Cheap Alberta to St. Louis flight deals and tips

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

Fastest flight time	6h 16m
Direct flights	None

The fastest flight from Alberta to St. Louis takes 6h 16m

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

Search flight deals

When did momondo last update prices for flights from Alberta to Lambert-St Louis Airport?
Prices for flights from Alberta to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Alberta to Lambert-St Louis Airport?
As of January 2026, there are 3 operators available to choose from for flights from Alberta to Lambert-St Louis Airport.
How old do you have to be to fly from Alberta to Lambert-St Louis Airport?
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 Alberta to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Alberta to St. Louis

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 417	Free Cancellation	Rating 7.1 10,597 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 443	Free Cancellation	Rating 7.4 9,132 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 568	Free Cancellation	Rating 7.2 3,235 reviews	Search WestJet flights

Chesterfield

Litchfield

Why use momondo?

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

It is quick and easy to find Alberta to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

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

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

Once you have performed a search for Alberta to St. Louis 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 Alberta to St. Louis right now. Can momondo alert me if prices change?

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