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

Flight times from Alberta to St. Louis vary, but if you’re flying out of Calgary and flying into St. Louis (one of the most popular routes), then the duration is 8h 45m on average. Another popular route from Alberta to St. Louis is flying from Edmonton to St. Louis, which will take roughly 22h 08m. Keep in mind that layovers or delays could extend your travel time.

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

Delta, 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 are refreshed on a daily basis.

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

As of September 2025, there is 1 operator 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 necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$184 Cheap Flights from Alberta to St. Louis in 2025/26

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Find the cheapest flights from Alberta to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

1:29 pm - 8:26 pmYYC-STL

5h 57m1 stop

7:16 am - 12:34 pmSTL-YYC

6h 18m1 stop

$418American Airlines

Find Deal

sex, out 10 - dom, out 12

8:55 am - 9:07 amYYC-STL

23h 12m1 stop

11:32 am - 12:44 amSTL-YYC

14h 12m2 stops

$466Multiple Airlines

Find Deal

sex, out 10 - dom, out 12

6:00 am - 12:39 pmYEG-STL

5h 39m1 stop

3:14 pm - 2:14 pmSTL-YEG

24h 00m2 stops

$478United Airlines

Find Deal

sex, nov 14 - seg, nov 17

9:15 am - 12:04 pmYEG-STL

25h 49m1 stop

5:34 pm - 5:04 pmSTL-YEG

24h 30m2 stops

$491WestJet

Find Deal

sex, nov 14 - seg, nov 17

6:10 am - 10:22 pmYYC-STL

15h 12m1 stop

4:05 pm - 12:14 amSTL-YYC

9h 09m1 stop

$491Multiple Airlines

Find Deal

qui, dez 18 - seg, dez 29

12:05 am - 12:40 pmYEG-STL

11h 35m2 stops

5:12 pm - 3:40 pmSTL-YEG

23h 28m2 stops

$495WestJet

Find Deal

qui, nov 13 - seg, nov 17

11:30 am - 11:44 amYEG-STL

23h 14m2 stops

5:17 pm - 3:40 pmSTL-YEG

23h 23m2 stops

$496WestJet

Find Deal

sex, nov 14 - seg, nov 17

9:15 am - 11:23 pmYEG-STL

13h 08m1 stop

4:14 pm - 4:05 pmSTL-YEG

24h 51m1 stop

$497Multiple Airlines

Find Deal

sex, nov 14 - seg, nov 17

12:15 am - 3:29 pmYEG-STL

14h 14m1 stop

4:05 pm - 11:13 pmSTL-YEG

8h 08m1 stop

$583Air Canada

Find Deal

qui, nov 13 - seg, nov 17

12:15 am - 3:29 pmYEG-STL

14h 14m1 stop

4:05 pm - 11:13 pmSTL-YEG

8h 08m1 stop

$584Air Canada

Find Deal

qui, nov 13 - seg, nov 17

United Airlines flights from Alberta to St. Louis

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

United Airlines

Nov 14

YEG6:00 amEdmonton

5h 39m

1 stop

STL12:39 pmLambert-St Louis

Nov 17

STL3:14 pmLambert-St Louis

24h 00m

2 stops

YEG2:14 pmEdmonton

$478

Find similar

United Airlines

Sep 28

YEG10:15 amEdmonton

34h 45m

3 stops

STL10:00 pmLambert-St Louis

Oct 4

STL12:25 pmLambert-St Louis

10h 39m

2 stops

YEG10:04 pmEdmonton

$943

Find similar

WestJet flights from Alberta to St. Louis

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

WestJet

Nov 14

YEG9:15 amEdmonton

25h 49m

1 stop

STL12:04 pmLambert-St Louis

Nov 17

STL5:34 pmLambert-St Louis

24h 30m

2 stops

YEG5:04 pmEdmonton

$491

Find similar

WestJet

Nov 13

YEG12:05 amEdmonton

11h 35m

2 stops

STL12:40 pmLambert-St Louis

Nov 17

STL5:12 pmLambert-St Louis

23h 28m

2 stops

YEG3:40 pmEdmonton

$495

Find similar

WestJet

Nov 14

YEG11:30 amEdmonton

23h 14m

2 stops

STL11:44 amLambert-St Louis

Nov 17

STL5:17 pmLambert-St Louis

23h 23m

2 stops

YEG3:40 pmEdmonton

$496

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

sex 10/10

1:29 pm-8:26 pm

1 stop5h 57m

Lambert-St Louis

dom 10/12

7:16 am-12:34 pm

1 stop6h 18m

$418

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

sex 10/10

8:55 am-9:07 am

1 stop23h 12m

Lambert-St Louis

dom 10/12

11:32 am-12:44 am

2 stops14h 12m

$466

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

sex 11/14

6:00 am-12:39 pm

1 stop5h 39m

Lambert-St Louis

seg 11/17

3:14 pm-2:14 pm

2 stops24h 00m

$478

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

sex 11/14

9:15 am-12:04 pm

1 stop25h 49m

Lambert-St Louis

seg 11/17

5:34 pm-5:04 pm

2 stops24h 30m

$491

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

qui 12/18

6:10 am-10:22 pm

1 stop15h 12m

Lambert-St Louis

seg 12/29

4:05 pm-12:14 am

1 stop9h 09m

$491

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

qui 11/13

12:05 am-12:40 pm

2 stops11h 35m

Lambert-St Louis

seg 11/17

5:12 pm-3:40 pm

2 stops23h 28m

$495

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

sex 11/14

11:30 am-11:44 am

2 stops23h 14m

Lambert-St Louis

seg 11/17

5:17 pm-3:40 pm

2 stops23h 23m

$496

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

sex 11/14

9:15 am-11:23 pm

1 stop13h 08m

Lambert-St Louis

seg 11/17

4:14 pm-4:05 pm

1 stop24h 51m

$497

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

qui 11/13

12:15 am-3:29 pm

1 stop14h 14m

Lambert-St Louis

seg 11/17

4:05 pm-11:13 pm

1 stop8h 08m

$583

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

qui 11/13

12:15 am-3:29 pm

1 stop14h 14m

Lambert-St Louis

seg 11/17

4:05 pm-11:13 pm

1 stop8h 08m

$584

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?

In general, January is the cheapest month to fly from Alberta to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $296. The month of February is another great option to travel to St. Louis, with average flight prices from Alberta averaging around $413.

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

The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $296. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $541. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

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

Direct flights	None

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Alberta to Lambert-St Louis Airport?
As of September 2025, there is 1 operator 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 necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
American Airlines	PriceFrom $309	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

St. Charles

Chesterfield

Fairview Heights

Hermann

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

Wentzville

Alton

St. Peters

Farmington

Festus

Glencoe

Clayton

Edwardsville

Eureka

Litchfield

Shrewsbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Alberta.

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

All flight searches from Alberta to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Alberta to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Alberta to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Alberta to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.