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 9h 15m on average. On the other hand, flying from Edmonton to St. Louis takes 9h 28m 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 46% 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?

United Airlines is the most popular carrier 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 December 2025, 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$ 185 Cheap Flights from Alberta to St. Louis in 2025/26

1 adult

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Find the cheapest flights from Alberta to St. Louis

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:55 a.m. - 6:51 a.m.

YYC

STL

20h 56m1 stop

1:35 p.m. - 11:20 a.m.

STL

YYC

22h 45m2 stops

C$ 407Multiple Airlines

Thu, 15 Jan - Sun, 18 Jan

11:45 a.m. - 12:12 p.m.

YEG

STL

23h 27m2 stops

8:32 p.m. - 12:11 p.m.

STL

YEG

16h 39m1 stop

C$ 445Multiple Airlines

Wed, 7 Jan - Wed, 14 Jan

8:55 a.m. - 6:51 a.m.

YYC

STL

20h 56m1 stop

10:09 p.m. - 12:01 p.m.

STL

YYC

14h 52m1 stop

C$ 454Multiple Airlines

Thu, 15 Jan - Sun, 18 Jan

4:30 p.m. - 12:12 p.m.

YEG

STL

18h 42m1 stop

8:32 p.m. - 12:11 p.m.

STL

YEG

16h 39m1 stop

C$ 524Multiple Airlines

Wed, 7 Jan - Wed, 14 Jan

6:30 a.m. - 4:45 p.m.

YYC

STL

9h 15m1 stop

5:25 p.m. - 8:54 p.m.

STL

YYC

28h 29m1 stop

C$ 537Delta

Thu, 22 Jan - Mon, 26 Jan

6:30 a.m. - 4:45 p.m.

YYC

STL

9h 15m1 stop

5:25 p.m. - 8:54 p.m.

STL

YYC

28h 29m1 stop

C$ 559Delta

Thu, 22 Jan - Mon, 26 Jan

2:13 p.m. - 8:58 p.m.

YYC

STL

5h 45m1 stop

6:40 p.m. - 1:08 p.m.

STL

YYC

19h 28m2 stops

C$ 603United Airlines

Thu, 22 Jan - Mon, 26 Jan

6:00 a.m. - 3:16 p.m.

YYC

STL

8h 16m1 stop

1:30 p.m. - 11:03 p.m.

STL

YYC

10h 33m1 stop

C$ 686Air Canada

Tue, 12 May - Sat, 27 Jun

9:15 a.m. - 4:45 p.m.

YEG

STL

6h 30m1 stop

6:10 a.m. - 2:15 p.m.

STL

YEG

9h 05m2 stops

C$ 722WestJet

Wed, 7 Jan - Wed, 14 Jan

9:15 a.m. - 11:25 p.m.

YEG

STL

13h 10m1 stop

6:10 a.m. - 3:09 p.m.

STL

YEG

9h 59m2 stops

C$ 729WestJet

Fri, 30 Jan - Mon, 2 Feb

Delta flights from Alberta to St. Louis

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

Delta

22 Jan

YYC6:30 a.m.Calgary

9h 15m

1 stop

STL4:45 p.m.Lambert-St Louis

26 Jan

STL5:25 p.m.Lambert-St Louis

28h 29m

1 stop

YYC8:54 p.m.Calgary

C$ 537

Find similar

Delta

22 Jan

YYC6:30 a.m.Calgary

9h 15m

1 stop

STL4:45 p.m.Lambert-St Louis

26 Jan

STL5:25 p.m.Lambert-St Louis

28h 29m

1 stop

YYC8:54 p.m.Calgary

C$ 559

Find similar

Delta

30 Jan

YEG9:15 a.m.Edmonton

24h 28m

1 stop

STL10:43 a.m.Lambert-St Louis

2 Feb

STL6:10 a.m.Lambert-St Louis

10h 45m

1 stop

YEG3:55 p.m.Edmonton

C$ 639

Find similar

WestJet flights from Alberta to St. Louis

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

WestJet

7 Jan

YEG9:15 a.m.Edmonton

6h 30m

1 stop

STL4:45 p.m.Lambert-St Louis

14 Jan

STL6:10 a.m.Lambert-St Louis

9h 05m

2 stops

YEG2:15 p.m.Edmonton

C$ 722

Find similar

WestJet

30 Jan

YEG9:15 a.m.Edmonton

13h 10m

1 stop

STL11:25 p.m.Lambert-St Louis

2 Feb

STL6:10 a.m.Lambert-St Louis

9h 59m

2 stops

YEG3:09 p.m.Edmonton

C$ 729

Find similar

WestJet

30 Jan

YEG6:30 a.m.Edmonton

12h 36m

2 stops

STL8:06 p.m.Lambert-St Louis

2 Feb

STL6:10 a.m.Lambert-St Louis

9h 59m

2 stops

YEG3:09 p.m.Edmonton

C$ 738

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 15/1

8:55 a.m.-6:51 a.m.

1 stop20h 56m

Lambert-St Louis

Sun 18/1

1:35 p.m.-11:20 a.m.

2 stops22h 45m

C$ 407

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 7/1

11:45 a.m.-12:12 p.m.

2 stops23h 27m

Lambert-St Louis

Wed 14/1

8:32 p.m.-12:11 p.m.

1 stop16h 39m

C$ 445

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 15/1

8:55 a.m.-6:51 a.m.

1 stop20h 56m

Lambert-St Louis

Sun 18/1

10:09 p.m.-12:01 p.m.

1 stop14h 52m

C$ 454

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 7/1

4:30 p.m.-12:12 p.m.

1 stop18h 42m

Lambert-St Louis

Wed 14/1

8:32 p.m.-12:11 p.m.

1 stop16h 39m

C$ 524

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 22/1

6:30 a.m.-4:45 p.m.

1 stop9h 15m

Lambert-St Louis

Mon 26/1

5:25 p.m.-8:54 p.m.

1 stop28h 29m

C$ 537

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 22/1

6:30 a.m.-4:45 p.m.

1 stop9h 15m

Lambert-St Louis

Mon 26/1

5:25 p.m.-8:54 p.m.

1 stop28h 29m

C$ 559

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 22/1

2:13 p.m.-8:58 p.m.

1 stop5h 45m

Lambert-St Louis

Mon 26/1

6:40 p.m.-1:08 p.m.

2 stops19h 28m

C$ 603

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 12/5

6:00 a.m.-3:16 p.m.

1 stop8h 16m

Lambert-St Louis

Sat 27/6

1:30 p.m.-11:03 p.m.

1 stop10h 33m

C$ 686

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 7/1

9:15 a.m.-4:45 p.m.

1 stop6h 30m

Lambert-St Louis

Wed 14/1

6:10 a.m.-2:15 p.m.

2 stops9h 05m

C$ 722

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 30/1

9:15 a.m.-11:25 p.m.

1 stop13h 10m

Lambert-St Louis

Mon 2/2

6:10 a.m.-3:09 p.m.

2 stops9h 59m

C$ 729

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 January is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 420. If you don’t want to visit St. Louis in January, then you should wait until February to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 571.

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Sunday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 434. The most expensive day to fly to St. Louis is Friday, with ticket prices averaging around C$ 772.

What is the cheapest time of day to depart on your flight to St. Louis?

The cheapest time of day to fly to St. Louis is in the afternoon when flights can be purchased for as low as C$ 483. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 709 on average. Flights to St. Louis from Alberta in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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	9h 15m
Direct flights	None

The fastest flight from Alberta to St. Louis takes 9h 15m

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 December 2025, 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$ 337	Free Cancellation	Rating 7.1 10,514 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 445	Free Cancellation	Rating 7.4 9,089 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 570	Free Cancellation	Rating 7.2 3,193 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.