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

United Airlines, American Airlines, and WestJet are the most popular carriers operating from Alberta to Lambert-St Louis

Which airlines fly to St. Louis?

WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to St. Louis from Alberta according to our data. WestJet 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.

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 Edmonton to St. Louis takes 11h 16m on average. On the other hand, flying from Calgary to St. Louis takes 15h 22m 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.

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 September 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$ 180 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

Last minute

Cheap round-trip flights

1:29 p.m. - 8:09 a.m.YYC-STL

17h 40m1 stop

4:34 p.m. - 12:34 p.m.STL-YYC

21h 00m1 stop

C$ 370American Airlines

Find Deal

Fri, 10 Oct - Mon, 13 Oct

1:29 p.m. - 8:09 a.m.YYC-STL

17h 40m1 stop

8:05 p.m. - 12:34 p.m.STL-YYC

17h 29m1 stop

C$ 380American Airlines

Find Deal

Fri, 17 Oct - Mon, 20 Oct

3:17 p.m. - 10:49 a.m.YEG-STL

18h 32m2 stops

5:00 a.m. - 4:25 p.m.STL-YEG

12h 25m1 stop

C$ 415United Airlines

Find Deal

Wed, 15 Oct - Wed, 22 Oct

6:30 a.m. - 11:29 a.m.YYC-STL

27h 59m2 stops

4:00 p.m. - 11:19 a.m.STL-YYC

20h 19m1 stop

C$ 424Multiple Airlines

Find Deal

Thu, 2 Oct - Mon, 6 Oct

8:55 a.m. - 9:06 a.m.YYC-STL

23h 11m1 stop

4:00 p.m. - 11:19 a.m.STL-YYC

20h 19m1 stop

C$ 425Multiple Airlines

Find Deal

Sun, 5 Oct - Mon, 6 Oct

12:38 p.m. - 2:27 p.m.YYC-STL

24h 49m1 stop

3:23 p.m. - 1:53 p.m.STL-YYC

23h 30m2 stops

C$ 448United Airlines

Find Deal

Fri, 17 Oct - Mon, 20 Oct

5:24 p.m. - 12:03 a.m.YEG-STL

29h 39m1 stop

6:33 a.m. - 9:03 p.m.STL-YEG

15h 30m1 stop

C$ 557Alaska Airlines

Find Deal

Mon, 6 Oct - Wed, 8 Oct

6:00 a.m. - 3:18 p.m.YYC-STL

8h 18m1 stop

1:30 p.m. - 11:16 p.m.STL-YYC

10h 46m1 stop

C$ 564Air Canada

Find Deal

Sat, 4 Oct - Sun, 5 Oct

5:17 p.m. - 2:39 p.m.YEG-STL

20h 22m1 stop

6:33 a.m. - 9:03 p.m.STL-YEG

15h 30m1 stop

C$ 627Alaska Airlines

Find Deal

Tue, 30 Sep - Wed, 8 Oct

12:45 a.m. - 3:18 p.m.YEG-STL

13h 33m1 stop

4:05 p.m. - 10:56 p.m.STL-YEG

7h 51m1 stop

C$ 762Air Canada

Find Deal

Tue, 14 Oct - Wed, 22 Oct

American Airlines flights from Alberta to St. Louis

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

American Airlines

10 Oct

YYC1:29 p.m.Calgary

17h 40m

1 stop

STL8:09 a.m.Lambert-St Louis

13 Oct

STL4:34 p.m.Lambert-St Louis

21h 00m

1 stop

YYC12:34 p.m.Calgary

C$ 370

Find similar

American Airlines

17 Oct

YYC1:29 p.m.Calgary

17h 40m

1 stop

STL8:09 a.m.Lambert-St Louis

20 Oct

STL8:05 p.m.Lambert-St Louis

17h 29m

1 stop

YYC12:34 p.m.Calgary

C$ 380

Find similar

American Airlines

1 Nov

YYC6:45 a.m.Calgary

14h 23m

2 stops

STL10:08 p.m.Lambert-St Louis

8 Nov

STL8:39 a.m.Lambert-St Louis

14h 08m

2 stops

YYC9:47 p.m.Calgary

C$ 387

Find similar

Alaska Airlines flights from Alberta to St. Louis

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

Alaska Airlines

6 Oct

YEG5:24 p.m.Edmonton

29h 39m

1 stop

STL12:03 a.m.Lambert-St Louis

8 Oct

STL6:33 a.m.Lambert-St Louis

15h 30m

1 stop

YEG9:03 p.m.Edmonton

C$ 557

Find similar

Alaska Airlines

30 Sep

YEG5:17 p.m.Edmonton

20h 22m

1 stop

STL2:39 p.m.Lambert-St Louis

8 Oct

STL6:33 a.m.Lambert-St Louis

15h 30m

1 stop

YEG9:03 p.m.Edmonton

C$ 627

Find similar

Alaska Airlines

1 Oct

YEG5:17 p.m.Edmonton

23h 17m

1 stop

STL5:34 p.m.Lambert-St Louis

8 Oct

STL6:33 a.m.Lambert-St Louis

15h 30m

1 stop

YEG9:03 p.m.Edmonton

C$ 642

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/10

1:29 p.m.-8:09 a.m.

1 stop17h 40m

Lambert-St Louis

Mon 13/10

4:34 p.m.-12:34 p.m.

1 stop21h 00m

C$ 370

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/10

1:29 p.m.-8:09 a.m.

1 stop17h 40m

Lambert-St Louis

Mon 20/10

8:05 p.m.-12:34 p.m.

1 stop17h 29m

C$ 380

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 15/10

3:17 p.m.-10:49 a.m.

2 stops18h 32m

Lambert-St Louis

Wed 22/10

5:00 a.m.-4:25 p.m.

1 stop12h 25m

C$ 415

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 2/10

6:30 a.m.-11:29 a.m.

2 stops27h 59m

Lambert-St Louis

Mon 6/10

4:00 p.m.-11:19 a.m.

1 stop20h 19m

C$ 424

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 5/10

8:55 a.m.-9:06 a.m.

1 stop23h 11m

Lambert-St Louis

Mon 6/10

4:00 p.m.-11:19 a.m.

1 stop20h 19m

C$ 425

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/10

12:38 p.m.-2:27 p.m.

1 stop24h 49m

Lambert-St Louis

Mon 20/10

3:23 p.m.-1:53 p.m.

2 stops23h 30m

C$ 448

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 6/10

5:24 p.m.-12:03 a.m.

1 stop29h 39m

Lambert-St Louis

Wed 8/10

6:33 a.m.-9:03 p.m.

1 stop15h 30m

C$ 557

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 4/10

6:00 a.m.-3:18 p.m.

1 stop8h 18m

Lambert-St Louis

Sun 5/10

1:30 p.m.-11:16 p.m.

1 stop10h 46m

C$ 564

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 30/9

5:17 p.m.-2:39 p.m.

1 stop20h 22m

Lambert-St Louis

Wed 8/10

6:33 a.m.-9:03 p.m.

1 stop15h 30m

C$ 627

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 14/10

12:45 a.m.-3:18 p.m.

1 stop13h 33m

Lambert-St Louis

Wed 22/10

4:05 p.m.-10:56 p.m.

1 stop7h 51m

C$ 762

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$ 407. 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$ 568.

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$ 432. The most expensive day to fly to St. Louis is Friday, with ticket prices averaging around C$ 767.

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$ 481. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 706 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

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 refresh daily.
How many operators does momondo search for flights from Alberta to Lambert-St Louis Airport?
As of September 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$ 335	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 442	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 567	Free Cancellation	Rating 7.2 3,095 reviews	Search WestJet flights

Chesterfield

Collinsville

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.

An easier way to manage your St. Louis trip

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Cheap flights from Alberta to St. Louis from C$ 180

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alberta to St. Louis departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Alberta to St. Louis

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

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

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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

What is the cheapest month to fly to St. Louis?

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$ 432. The most expensive day to fly to St. Louis is Friday, with ticket prices averaging around C$ 767.

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

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

United Airlines, American Airlines, and WestJet are the most popular carriers operating from Alberta to Lambert-St Louis

Which airlines fly to St. Louis?

How long does it take to fly 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

When did momondo last update prices for flights from Alberta to Lambert-St Louis Airport?

How many operators does momondo search 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?

What documentation or ID do you need to fly to Lambert-St Louis Airport?

Best airlines flying from Alberta to St. Louis

Compare and see reviews for airlines that fly from Alberta to St. Louis with momondo

Travelling to a place near St. Louis?

Why use momondo?

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

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

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

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

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Missouri