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

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 Calgary to St. Louis takes 6h 01m on average. On the other hand, flying from Edmonton to St. Louis takes 7h 17m 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 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.

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$ 291 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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

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$ 546United Airlines

Thu, 22 Jan - Mon, 26 Jan

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

YYC

STL

29h 21m1 stop

3:49 p.m. - 11:19 a.m.

STL

YYC

20h 30m1 stop

C$ 562Multiple Airlines

Sat, 7 Feb - Sun, 15 Feb

3:00 p.m. - 8:50 p.m.

YYC

STL

28h 50m2 stops

3:49 p.m. - 11:19 a.m.

STL

YYC

20h 30m1 stop

C$ 585Multiple Airlines

Sun, 8 Feb - Sun, 15 Feb

8:00 a.m. - 10:58 p.m.

YYC

STL

13h 58m2 stops

9:57 a.m. - 8:59 p.m.

STL

YYC

12h 02m2 stops

C$ 637Air Canada

Thu, 22 Jan - Mon, 26 Jan

6:00 a.m. - 8:58 p.m.

YEG

STL

13h 58m1 stop

4:15 p.m. - 10:19 p.m.

STL

YEG

7h 04m1 stop

C$ 652United Airlines

Thu, 22 Jan - Mon, 26 Jan

11:39 a.m. - 11:57 p.m.

YEG

STL

11h 18m1 stop

7:56 p.m. - 10:49 a.m.

STL

YEG

15h 53m1 stop

C$ 663Alaska Airlines

Sun, 24 May - Sun, 31 May

11:40 p.m. - 2:30 p.m.

YYC

STL

13h 50m2 stops

9:57 a.m. - 8:59 p.m.

STL

YYC

12h 02m2 stops

C$ 686Air Canada

Thu, 22 Jan - Mon, 26 Jan

11:39 a.m. - 5:06 p.m.

YEG

STL

28h 27m2 stops

6:20 p.m. - 10:49 a.m.

STL

YEG

17h 29m2 stops

C$ 697Alaska Airlines

Sun, 24 May - Sun, 31 May

7:00 a.m. - 8:31 p.m.

YEG

STL

12h 31m2 stops

9:00 a.m. - 7:50 p.m.

STL

YEG

11h 50m1 stop

C$ 711WestJet

Sun, 24 May - Sun, 31 May

9:25 a.m. - 11:01 p.m.

YEG

STL

12h 36m1 stop

6:00 a.m. - 7:50 p.m.

STL

YEG

14h 50m1 stop

C$ 745WestJet

Sun, 24 May - Sun, 31 May

WestJet flights from Alberta to St. Louis

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

WestJet

24 May

YEG7:00 a.m.Edmonton

12h 31m

2 stops

STL8:31 p.m.Lambert-St Louis

31 May

STL9:00 a.m.Lambert-St Louis

11h 50m

1 stop

YEG7:50 p.m.Edmonton

C$ 711

Find similar

WestJet

22 Jan

YEG9:15 a.m.Edmonton

13h 10m

1 stop

STL11:25 p.m.Lambert-St Louis

26 Jan

STL3:45 p.m.Lambert-St Louis

21h 26m

1 stop

YEG12:11 p.m.Edmonton

C$ 722

Find similar

WestJet

24 May

YEG9:25 a.m.Edmonton

12h 36m

1 stop

STL11:01 p.m.Lambert-St Louis

31 May

STL6:00 a.m.Lambert-St Louis

14h 50m

1 stop

YEG7:50 p.m.Edmonton

C$ 745

Find similar

United Airlines flights from Alberta to St. Louis

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

United Airlines

22 Jan

YYC2:13 p.m.Calgary

5h 45m

1 stop

STL8:58 p.m.Lambert-St Louis

26 Jan

STL4:49 p.m.Lambert-St Louis

21h 19m

2 stops

YYC1:08 p.m.Calgary

C$ 546

Find similar

United Airlines

22 Jan

YYC2:13 p.m.Calgary

5h 45m

1 stop

STL8:58 p.m.Lambert-St Louis

26 Jan

STL4:49 p.m.Lambert-St Louis

21h 19m

2 stops

YYC1:08 p.m.Calgary

C$ 618

Find similar

United Airlines

22 Jan

YEG6:00 a.m.Edmonton

13h 58m

1 stop

STL8:58 p.m.Lambert-St Louis

26 Jan

STL4:15 p.m.Lambert-St Louis

7h 04m

1 stop

YEG10:19 p.m.Edmonton

C$ 652

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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$ 546

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 7/2

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

1 stop29h 21m

Lambert-St Louis

Sun 15/2

3:49 p.m.-11:19 a.m.

1 stop20h 30m

C$ 562

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 8/2

3:00 p.m.-8:50 p.m.

2 stops28h 50m

Lambert-St Louis

Sun 15/2

3:49 p.m.-11:19 a.m.

1 stop20h 30m

C$ 585

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 22/1

8:00 a.m.-10:58 p.m.

2 stops13h 58m

Lambert-St Louis

Mon 26/1

9:57 a.m.-8:59 p.m.

2 stops12h 02m

C$ 637

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 22/1

6:00 a.m.-8:58 p.m.

1 stop13h 58m

Lambert-St Louis

Mon 26/1

4:15 p.m.-10:19 p.m.

1 stop7h 04m

C$ 652

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sun 24/5

11:39 a.m.-11:57 p.m.

1 stop11h 18m

Lambert-St Louis

Sun 31/5

7:56 p.m.-10:49 a.m.

1 stop15h 53m

C$ 663

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 22/1

11:40 p.m.-2:30 p.m.

2 stops13h 50m

Lambert-St Louis

Mon 26/1

9:57 a.m.-8:59 p.m.

2 stops12h 02m

C$ 686

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sun 24/5

11:39 a.m.-5:06 p.m.

2 stops28h 27m

Lambert-St Louis

Sun 31/5

6:20 p.m.-10:49 a.m.

2 stops17h 29m

C$ 697

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sun 24/5

7:00 a.m.-8:31 p.m.

2 stops12h 31m

Lambert-St Louis

Sun 31/5

9:00 a.m.-7:50 p.m.

1 stop11h 50m

C$ 711

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sun 24/5

9:25 a.m.-11:01 p.m.

1 stop12h 36m

Lambert-St Louis

Sun 31/5

6:00 a.m.-7:50 p.m.

1 stop14h 50m

C$ 745

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$ 416. 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$ 565.

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$ 429. The most expensive day to fly to St. Louis is Friday, with ticket prices averaging around C$ 763.

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$ 478. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 701 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	5h 45m
Direct flights	None

The fastest flight from Alberta to St. Louis takes 5h 45m

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$ 409	Free Cancellation	Rating 7.1 10,561 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 440	Free Cancellation	Rating 7.4 9,115 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 564	Free Cancellation	Rating 7.2 3,219 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.