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

American Airlines, United Airlines, and Alaska 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 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 6h 14m on average. Another popular route from Alberta to St. Louis is flying from Edmonton to St. Louis, which will take roughly 14h 05m. Keep in mind that layovers or delays could extend your travel time.

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 August 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.

$179 Cheap Flights from Alberta to St. Louis in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Alberta to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

6:29 am - 9:53 pmYYC-STL

14h 24m1 stop

6:10 am - 11:19 pmSTL-YYC

18h 09m1 stop

$305American Airlines

Find Deal

mié., sep. 17 - mié., sep. 24

6:29 am - 11:48 pmYYC-STL

16h 19m1 stop

7:23 am - 11:19 pmSTL-YYC

16h 56m1 stop

$316American Airlines

Find Deal

jue., sep. 18 - lun., sep. 22

3:17 pm - 3:44 pmYEG-STL

23h 27m2 stops

5:00 am - 4:25 pmSTL-YEG

12h 25m1 stop

$350United Airlines

Find Deal

mar., sep. 23 - mié., oct. 8

3:17 pm - 10:49 amYEG-STL

18h 32m2 stops

5:00 am - 4:25 pmSTL-YEG

12h 25m1 stop

$353United Airlines

Find Deal

mié., sep. 24 - mié., oct. 8

5:17 pm - 5:34 pmYEG-STL

23h 17m1 stop

3:35 pm - 10:49 amSTL-YEG

20h 14m1 stop

$375Alaska Airlines

Find Deal

mar., sep. 9 - vie., sep. 26

5:17 pm - 2:39 pmYEG-STL

20h 22m1 stop

3:35 pm - 10:49 amSTL-YEG

20h 14m1 stop

$383Alaska Airlines

Find Deal

vie., sep. 12 - mié., sep. 24

12:30 am - 3:04 pmYYC-STL

13h 34m1 stop

7:55 pm - 2:45 pmSTL-YYC

19h 50m1 stop

$406

Find Deal

sáb., sep. 13 - mié., sep. 17

12:20 am - 3:18 pmYYC-STL

13h 58m1 stop

9:15 am - 5:02 pmSTL-YYC

8h 47m1 stop

$444Air Canada

Find Deal

mié., sep. 24 - mar., sep. 30

12:30 am - 9:59 amYYC-STL

8h 29m1 stop

4:00 pm - 11:19 amSTL-YYC

20h 19m1 stop

$472

Find Deal

mié., sep. 17 - lun., sep. 22

12:20 am - 3:18 pmYYC-STL

13h 58m1 stop

4:05 pm - 11:22 pmSTL-YYC

8h 17m1 stop

$505Air Canada

Find Deal

jue., oct. 9 - lun., oct. 13

WestJet flights from Alberta to St. Louis

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

WestJet

Aug 29

YEG12:05 amEdmonton

11h 26m

2 stops

STL12:31 pmLambert-St Louis

Sep 2

STL6:00 amLambert-St Louis

10h 59m

1 stop

YEG3:59 pmEdmonton

$476

Find similar

WestJet

Sep 13

YEG10:00 amEdmonton

11h 00m

2 stops

STL10:00 pmLambert-St Louis

Sep 27

STL8:40 amLambert-St Louis

8h 19m

1 stop

YEG3:59 pmEdmonton

$497

Find similar

WestJet

Sep 12

YEG12:05 amEdmonton

11h 16m

2 stops

STL12:21 pmLambert-St Louis

Sep 26

STL6:00 amLambert-St Louis

11h 12m

2 stops

YEG4:12 pmEdmonton

$502

Find similar

Air Canada flights from Alberta to St. Louis

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

Air Canada

Sep 24

YYC12:20 amCalgary

13h 58m

1 stop

STL3:18 pmLambert-St Louis

Sep 30

STL9:15 amLambert-St Louis

8h 47m

1 stop

YYC5:02 pmCalgary

$444

Find similar

Air Canada

Oct 9

YYC12:20 amCalgary

13h 58m

1 stop

STL3:18 pmLambert-St Louis

Oct 13

STL4:05 pmLambert-St Louis

8h 17m

1 stop

YYC11:22 pmCalgary

$505

Find similar

Air Canada

Sep 25

YEG6:15 amEdmonton

12h 42m

2 stops

STL7:57 pmLambert-St Louis

Oct 7

STL1:30 pmLambert-St Louis

9h 25m

1 stop

YEG9:55 pmEdmonton

$511

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

mié. 9/17

6:29 am-9:53 pm

1 stop14h 24m

Lambert-St Louis

mié. 9/24

6:10 am-11:19 pm

1 stop18h 09m

$305

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

jue. 9/18

6:29 am-11:48 pm

1 stop16h 19m

Lambert-St Louis

lun. 9/22

7:23 am-11:19 pm

1 stop16h 56m

$316

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

mar. 9/23

3:17 pm-3:44 pm

2 stops23h 27m

Lambert-St Louis

mié. 10/8

5:00 am-4:25 pm

1 stop12h 25m

$350

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

mié. 9/24

3:17 pm-10:49 am

2 stops18h 32m

Lambert-St Louis

mié. 10/8

5:00 am-4:25 pm

1 stop12h 25m

$353

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

mar. 9/9

5:17 pm-5:34 pm

1 stop23h 17m

Lambert-St Louis

vie. 9/26

3:35 pm-10:49 am

1 stop20h 14m

$375

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

vie. 9/12

5:17 pm-2:39 pm

1 stop20h 22m

Lambert-St Louis

mié. 9/24

3:35 pm-10:49 am

1 stop20h 14m

$383

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

sáb. 9/13

12:30 am-3:04 pm

1 stop13h 34m

Lambert-St Louis

mié. 9/17

7:55 pm-2:45 pm

1 stop19h 50m

$406

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

mié. 9/24

12:20 am-3:18 pm

1 stop13h 58m

Lambert-St Louis

mar. 9/30

9:15 am-5:02 pm

1 stop8h 47m

$444

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

mié. 9/17

12:30 am-9:59 am

1 stop8h 29m

Lambert-St Louis

lun. 9/22

4:00 pm-11:19 am

1 stop20h 19m

$472

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

jue. 10/9

12:20 am-3:18 pm

1 stop13h 58m

Lambert-St Louis

lun. 10/13

4:05 pm-11:22 pm

1 stop8h 17m

$505

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 October is another great option to travel to St. Louis, with average flight prices from Alberta averaging around $386.

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

Best Price Found	$179
Fastest flight time	5h 43m
Direct flights	None
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Alberta in the past 72 hours is $179. The best round-trip flight deal from Alberta to St. Louis found on momondo in the last 72 hours is $305.

The fastest flight from Alberta to St. Louis takes 5h 43m

There are no direct flights from Alberta to St. Louis. Popular non-direct routes for this connection are Calgary Airport - Lambert-St Louis Airport and Edmonton Airport - Lambert-St Louis Airport.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

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 August 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

Maryland Heights

Florissant

Fenton

O'Fallon

Collinsville

Alton

Wentzville

St. Peters

Farmington

Festus

Glencoe

Eureka

Edwardsville

Clayton

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.