Which airlines fly to St. Louis?

WestJet, Air Canada and Delta are the top three most popular airlines that fly to St. Louis from Alberta according to our data. WestJet is the first choice among our users, with 49% 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.

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

WestJet, Delta, and United Airlines are the most popular carriers operating from Alberta to Lambert-St Louis

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 9h on average. On the other hand, flying from Calgary to St. Louis takes 9h 12m 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.

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 August 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$ 249 Cheap Flights from Alberta to St. Louis in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Alberta to St. Louis

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 a.m. - 5:40 p.m.YYC Calgary-STL Lambert-St Louis

9h 40m1 stop Atlanta Hartsfield-Jackson

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

17h 25m1 stop Atlanta Hartsfield-Jackson

C$ 515Multiple Airlines

Mon, 12 Oct - Wed, 21 Oct

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

15h 10m2 stops Vancouver Intl Atlanta Hartsfield-Jackson

12:17 p.m. - 8:20 p.m.STL Lambert-St Louis-YYC Calgary

9h 03m1 stop Las Vegas Harry Reid Intl

C$ 516Multiple Airlines

Tue, 8 Sep - Thu, 10 Sep

12:20 a.m. - 12:32 p.m.YYC Calgary-STL Lambert-St Louis

11h 12m1 stop Atlanta Hartsfield-Jackson

6:40 a.m. - 8:15 p.m.STL Lambert-St Louis-YYC Calgary

14h 35m1 stop Detroit Metropolitan Wayne County

C$ 541WestJet

Fri, 25 Sep - Tue, 29 Sep

8:45 a.m. - 10:39 p.m.YYC Calgary-STL Lambert-St Louis

13h 54m1 stop Atlanta Hartsfield-Jackson

3:40 p.m. - 1:05 p.m.STL Lambert-St Louis-YYC Calgary

21h 25m1 stop Atlanta Hartsfield-Jackson

C$ 542WestJet

Mon, 1 Feb - Sat, 13 Feb

12:20 a.m. - 10:55 a.m.YYC Calgary-STL Lambert-St Louis

9h 35m1 stop Atlanta Hartsfield-Jackson

6:40 a.m. - 8:15 p.m.STL Lambert-St Louis-YYC Calgary

14h 35m1 stop Detroit Metropolitan Wayne County

C$ 544WestJet

Wed, 16 Sep - Sun, 20 Sep

12:20 a.m. - 9:20 a.m.YYC Calgary-STL Lambert-St Louis

8h 00m1 stop Atlanta Hartsfield-Jackson

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

25h 46m2 stops Atlanta Hartsfield-Jackson Vancouver Intl

C$ 562Multiple Airlines

Sun, 6 Sep - Wed, 9 Sep

6:35 a.m. - 1:32 p.m.YYC Calgary-STL Lambert-St Louis

5h 57m1 stop Salt Lake City

2:22 p.m. - 11:10 p.m.STL Lambert-St Louis-YYC Calgary

9h 48m1 stop Salt Lake City

C$ 602Delta

Tue, 20 Oct - Wed, 21 Oct

9:40 a.m. - 11:16 p.m.YEG Edmonton-STL Lambert-St Louis

12h 36m1 stop Minneapolis St Paul

6:15 a.m. - 4:55 p.m.STL Lambert-St Louis-YEG Edmonton

11h 40m1 stop Minneapolis St Paul

C$ 684Delta

Wed, 16 Sep - Mon, 21 Sep

6:30 a.m. - 4:30 p.m.YEG Edmonton-STL Lambert-St Louis

9h 00m2 stops Vancouver Intl Denver Intl

1:40 p.m. - 10:42 p.m.STL Lambert-St Louis-YEG Edmonton

10h 02m2 stops Denver Intl Vancouver Intl

C$ 891Air Canada

Sat, 24 Oct - Wed, 28 Oct

7:00 a.m. - 2:26 p.m.YEG Edmonton-STL Lambert-St Louis

7h 26m1 stop Toronto Pearson Intl

4:05 p.m. - 1:23 a.m.STL Lambert-St Louis-YEG Edmonton

9h 18m1 stop Toronto Pearson Intl

C$ 951Air Canada

Sat, 26 Dec - Fri, 1 Jan

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WestJet flights from Alberta to St. Louis

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

WestJet

25 Sep

YYC12:20 a.m.Calgary

11h 12m

1 stop

STL12:32 p.m.Lambert-St Louis

29 Sep

STL6:40 a.m.Lambert-St Louis

14h 35m

1 stop

YYC8:15 p.m.Calgary

C$ 541

WestJet

1 Feb

YYC8:45 a.m.Calgary

13h 54m

1 stop

STL10:39 p.m.Lambert-St Louis

13 Feb

STL3:40 p.m.Lambert-St Louis

21h 25m

1 stop

YYC1:05 p.m.Calgary

C$ 542

WestJet

16 Sep

YYC12:20 a.m.Calgary

9h 35m

1 stop

STL10:55 a.m.Lambert-St Louis

20 Sep

STL6:40 a.m.Lambert-St Louis

14h 35m

1 stop

YYC8:15 p.m.Calgary

C$ 544

Delta flights from Alberta to St. Louis

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

Delta

20 Oct

YYC6:35 a.m.Calgary

5h 57m

1 stop

STL1:32 p.m.Lambert-St Louis

21 Oct

STL2:22 p.m.Lambert-St Louis

9h 48m

1 stop

YYC11:10 p.m.Calgary

C$ 602

Delta

16 Sep

YEG9:40 a.m.Edmonton

12h 36m

1 stop

STL11:16 p.m.Lambert-St Louis

21 Sep

STL6:15 a.m.Lambert-St Louis

11h 40m

1 stop

YEG4:55 p.m.Edmonton

C$ 684

Delta

24 Oct

YEG9:40 a.m.Edmonton

12h 41m

1 stop

STL11:21 p.m.Lambert-St Louis

28 Oct

STL6:21 a.m.Lambert-St Louis

19h 23m

2 stops

YEG12:44 a.m.Edmonton

C$ 698

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Mon 12/10

7:00 a.m.-5:40 p.m.

1 stop9h 40m

Lambert-St Louis

Wed 21/10

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

1 stop17h 25m

C$ 515

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Tue 8/9

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

2 stops15h 10m

Lambert-St Louis

Thu 10/9

12:17 p.m.-8:20 p.m.

1 stop9h 03m

C$ 516

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Fri 25/9

12:20 a.m.-12:32 p.m.

1 stop11h 12m

Lambert-St Louis

Tue 29/9

6:40 a.m.-8:15 p.m.

1 stop14h 35m

C$ 541

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Mon 1/2

8:45 a.m.-10:39 p.m.

1 stop13h 54m

Lambert-St Louis

Sat 13/2

3:40 p.m.-1:05 p.m.

1 stop21h 25m

C$ 542

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Wed 16/9

12:20 a.m.-10:55 a.m.

1 stop9h 35m

Lambert-St Louis

Sun 20/9

6:40 a.m.-8:15 p.m.

1 stop14h 35m

C$ 544

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Sun 6/9

12:20 a.m.-9:20 a.m.

1 stop8h 00m

Lambert-St Louis

Wed 9/9

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

2 stops25h 46m

C$ 562

Quickest round-trip

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Tue 20/10

6:35 a.m.-1:32 p.m.

1 stop5h 57m

Lambert-St Louis

Wed 21/10

2:22 p.m.-11:10 p.m.

1 stop9h 48m

C$ 602

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Wed 16/9

9:40 a.m.-11:16 p.m.

1 stop12h 36m

Lambert-St Louis

Mon 21/9

6:15 a.m.-4:55 p.m.

1 stop11h 40m

C$ 684

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Sat 24/10

6:30 a.m.-4:30 p.m.

2 stops9h 00m

Lambert-St Louis

Wed 28/10

1:40 p.m.-10:42 p.m.

2 stops10h 02m

C$ 891

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Sat 26/12

7:00 a.m.-2:26 p.m.

1 stop7h 26m

Lambert-St Louis

Fri 1/1

4:05 p.m.-1:23 a.m.

1 stop9h 18m

C$ 951

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 May is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 441. If you don’t want to visit St. Louis in May, then you should wait until March to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 541.

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

You could potentially save up to 13% on your flight if you consider stops on a Alberta to St. Louis flight.

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

Best price found	C$ 249
Fastest flight time	9h 00m
Direct flights	None

The best one-way flight to St. Louis from Alberta in the past 72 hours is C$ 249. The best round-trip flight deal from Alberta to St. Louis found on momondo in the last 72 hours is C$ 515.

The fastest flight from Alberta to St. Louis takes 9h 00m

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

Search flight deals

Frequently asked questions about flying from Alberta to 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 August 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
Delta	PriceFrom C$ 344	Free Cancellation	Rating 7.8 8,520 reviews	Search Delta flights
Air Canada	PriceFrom C$ 539	Free Cancellation	Rating 7.1 11,530 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 563	Free Cancellation	Rating 7.2 3,438 reviews	Search WestJet flights

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.

An easier way to manage your St. Louis trip

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Cheap flights from Alberta to St. Louis from C$ 249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alberta to St. Louis departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from Alberta to St. Louis

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

Delta flights from Alberta to St. Louis

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

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

What is the cheapest month to fly to St. Louis?

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

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

Which airlines fly to St. Louis?

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

Cheap Alberta to St. Louis flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Alberta to St. Louis

Best airlines flying from Alberta to St. Louis

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

Why use momondo?

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri

Fly your favourite airline to St. Louis

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