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 Calgary to St. Louis takes 5h 28m on average. On the other hand, flying from Edmonton to St. Louis takes 15h 45m 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.

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 42% 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?

American Airlines and Delta 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 February 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$ 234 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:20 p.m. - 10:27 p.m.

YYC

STL

26h 07m

2 stops

2:09 p.m. - 11:43 a.m.

STL

YYC

22h 34m

1 stop

C$ 445Multiple Airlines

Mon, 2 Mar - Mon, 9 Mar

1:40 p.m. - 9:33 a.m.

YYC

STL

18h 53m

1 stop

9:21 a.m. - 9:56 p.m.

STL

YYC

13h 35m

2 stops

C$ 527American Airlines

Mon, 2 Mar - Tue, 10 Mar

3:17 p.m. - 9:08 p.m.

YEG

STL

28h 51m

2 stops

9:10 a.m. - 2:08 p.m.

STL

YEG

29h 58m

2 stops

C$ 576United Airlines

Fri, 17 Apr - Mon, 20 Apr

1:35 p.m. - 11:48 p.m.

YYC

STL

9h 13m

1 stop

5:20 a.m. - 11:43 a.m.

STL

YYC

7h 23m

1 stop

C$ 596American Airlines

Thu, 9 Apr - Sun, 12 Apr

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

YYC

STL

8h 54m

1 stop

4:05 p.m. - 1:14 a.m.

STL

YYC

10h 09m

1 stop

C$ 598Air Canada

Mon, 2 Mar - Mon, 9 Mar

12:07 p.m. - 11:59 p.m.

YEG

STL

10h 52m

1 stop

8:13 p.m. - 10:47 p.m.

STL

YEG

27h 34m

2 stops

C$ 607Multiple Airlines

Fri, 17 Apr - Mon, 20 Apr

1:25 p.m. - 11:23 p.m.

YYC

STL

8h 58m

2 stops

6:29 a.m. - 7:12 p.m.

STL

YYC

13h 43m

2 stops

C$ 697Delta

Mon, 2 Mar - Mon, 9 Mar

6:00 a.m. - 11:34 p.m.

YEG

STL

16h 34m

1 stop

5:15 a.m. - 2:15 p.m.

STL

YEG

10h 00m

1 stop

C$ 698United Airlines

Wed, 18 Mar - Mon, 23 Mar

1:25 p.m. - 11:23 p.m.

YYC

STL

8h 58m

2 stops

6:29 a.m. - 7:12 p.m.

STL

YYC

13h 43m

2 stops

C$ 698Delta

Mon, 2 Mar - Tue, 10 Mar

6:00 a.m. - 3:24 p.m.

YEG

STL

8h 24m

1 stop

4:05 p.m. - 10:59 p.m.

STL

YEG

7h 54m

1 stop

C$ 703Air Canada

Fri, 17 Apr - Sun, 19 Apr

Air Canada flights from Alberta to St. Louis

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

Air Canada

2 Mar

YYC5:35 a.m.Calgary

8h 54m

1 stop

STL3:29 p.m.Lambert-St Louis

9 Mar

STL4:05 p.m.Lambert-St Louis

10h 09m

1 stop

YYC1:14 a.m.Calgary

C$ 598

Air Canada

28 Feb

YEG6:00 a.m.Edmonton

8h 29m

1 stop

STL3:29 p.m.Lambert-St Louis

7 Mar

STL4:05 p.m.Lambert-St Louis

8h 13m

1 stop

YEG11:18 p.m.Edmonton

C$ 700

Air Canada

17 Apr

YEG6:00 a.m.Edmonton

8h 24m

1 stop

STL3:24 p.m.Lambert-St Louis

19 Apr

STL4:05 p.m.Lambert-St Louis

7h 54m

1 stop

YEG10:59 p.m.Edmonton

C$ 703

WestJet flights from Alberta to St. Louis

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

WestJet

9 Apr

YYC6:30 a.m.Calgary

15h 55m

1 stop

STL11:25 p.m.Lambert-St Louis

12 Apr

STL6:29 a.m.Lambert-St Louis

8h 26m

2 stops

YYC1:55 p.m.Calgary

C$ 726

WestJet

19 Feb

YYC7:00 a.m.Calgary

26h 43m

2 stops

STL10:43 a.m.Lambert-St Louis

22 Feb

STL5:29 p.m.Lambert-St Louis

23h 46m

2 stops

YYC4:15 p.m.Calgary

C$ 739

WestJet

4 Feb

YYC6:30 a.m.Calgary

9h 15m

1 stop

STL4:45 p.m.Lambert-St Louis

6 Feb

STL11:23 a.m.Lambert-St Louis

10h 31m

1 stop

YYC8:54 p.m.Calgary

C$ 856

Fly from

Fly to

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 2/3

7:20 p.m.-10:27 p.m.

2 stops26h 07m

Lambert-St Louis

Mon 9/3

2:09 p.m.-11:43 a.m.

1 stop22h 34m

C$ 445

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 2/3

1:40 p.m.-9:33 a.m.

1 stop18h 53m

Lambert-St Louis

Tue 10/3

9:21 a.m.-9:56 p.m.

2 stops13h 35m

C$ 527

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 17/4

3:17 p.m.-9:08 p.m.

2 stops28h 51m

Lambert-St Louis

Mon 20/4

9:10 a.m.-2:08 p.m.

2 stops29h 58m

C$ 576

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 9/4

1:35 p.m.-11:48 p.m.

1 stop9h 13m

Lambert-St Louis

Sun 12/4

5:20 a.m.-11:43 a.m.

1 stop7h 23m

C$ 596

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 2/3

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

1 stop8h 54m

Lambert-St Louis

Mon 9/3

4:05 p.m.-1:14 a.m.

1 stop10h 09m

C$ 598

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 17/4

12:07 p.m.-11:59 p.m.

1 stop10h 52m

Lambert-St Louis

Mon 20/4

8:13 p.m.-10:47 p.m.

2 stops27h 34m

C$ 607

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 2/3

1:25 p.m.-11:23 p.m.

2 stops8h 58m

Lambert-St Louis

Mon 9/3

6:29 a.m.-7:12 p.m.

2 stops13h 43m

C$ 697

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 18/3

6:00 a.m.-11:34 p.m.

1 stop16h 34m

Lambert-St Louis

Mon 23/3

5:15 a.m.-2:15 p.m.

1 stop10h 00m

C$ 698

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 2/3

1:25 p.m.-11:23 p.m.

2 stops8h 58m

Lambert-St Louis

Tue 10/3

6:29 a.m.-7:12 p.m.

2 stops13h 43m

C$ 698

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 17/4

6:00 a.m.-3:24 p.m.

1 stop8h 24m

Lambert-St Louis

Sun 19/4

4:05 p.m.-10:59 p.m.

1 stop7h 54m

C$ 703

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$ 562. 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$ 566.

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	5h 28m
Direct flights	None

The fastest flight from Alberta to St. Louis takes 5h 28m

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 February 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$ 356	Free Cancellation	Rating 7.1 10,668 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 438	Free Cancellation	Rating 7.4 9,219 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 561	Free Cancellation	Rating 7.2 3,254 reviews	Search WestJet flights

Chesterfield

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.