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 8h 10m on average. On the other hand, flying from Edmonton to St. Louis takes 9h 52m 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.

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

Alaska Airlines, Air Canada, and WestJet are the most popular carriers operating from Alberta to Lambert-St Louis

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 41% 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 November 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$ 213 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.

8:00 a.m. - 10:34 p.m.YEG-STL

37h 34m2 stops

8:22 p.m. - 12:11 p.m.STL-YEG

16h 49m1 stop

C$ 450Multiple Airlines

Find Deal

Wed, 14 Jan - Wed, 28 Jan

4:30 p.m. - 12:40 p.m.YEG-STL

19h 10m1 stop

8:22 p.m. - 12:11 p.m.STL-YEG

16h 49m1 stop

C$ 488Multiple Airlines

Find Deal

Wed, 14 Jan - Wed, 28 Jan

12:45 p.m. - 2:09 p.m.YYC-STL

24h 24m2 stops

8:01 p.m. - 12:51 p.m.STL-YYC

17h 50m1 stop

C$ 631American Airlines

Find Deal

Wed, 24 Dec - Thu, 1 Jan

12:45 p.m. - 2:09 p.m.YYC-STL

24h 24m2 stops

6:00 a.m. - 3:32 p.m.STL-YYC

10h 32m2 stops

C$ 678American Airlines

Find Deal

Wed, 24 Dec - Thu, 1 Jan

2:00 p.m. - 11:43 p.m.YYC-STL

8h 43m1 stop

5:20 a.m. - 1:56 p.m.STL-YYC

9h 36m1 stop

C$ 685United Airlines

Find Deal

Tue, 5 May - Wed, 6 May

10:30 a.m. - 7:30 p.m.YYC-STL

8h 00m1 stop

1:30 p.m. - 9:30 p.m.STL-YYC

9h 00m1 stop

C$ 686Air Canada

Find Deal

Thu, 7 May - Sun, 17 May

6:30 a.m. - 8:06 p.m.YEG-STL

12h 36m2 stops

1:18 p.m. - 12:44 a.m.STL-YEG

12h 26m2 stops

C$ 710WestJet

Find Deal

Wed, 14 Jan - Wed, 28 Jan

12:30 a.m. - 10:45 a.m.YYC-STL

9h 15m1 stop

6:30 a.m. - 4:48 p.m.STL-YYC

11h 18m1 stop

C$ 713WestJet

Find Deal

Wed, 6 May - Sun, 17 May

6:30 a.m. - 3:03 p.m.YYC-STL

7h 33m1 stop

6:00 a.m. - 5:30 p.m.STL-YYC

12h 30m2 stops

C$ 716Delta

Find Deal

Thu, 25 Dec - Wed, 31 Dec

12:15 a.m. - 3:29 p.m.YEG-STL

14h 14m1 stop

4:05 p.m. - 12:43 a.m.STL-YEG

9h 38m1 stop

C$ 789Air Canada

Find Deal

Tue, 13 Jan - Wed, 28 Jan

American Airlines flights from Alberta to St. Louis

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

American Airlines

24 Dec

YYC12:45 p.m.Calgary

24h 24m

2 stops

STL2:09 p.m.Lambert-St Louis

1 Jan

STL8:01 p.m.Lambert-St Louis

17h 50m

1 stop

YYC12:51 p.m.Calgary

C$ 631

Find similar

American Airlines

24 Dec

YYC12:45 p.m.Calgary

24h 24m

2 stops

STL2:09 p.m.Lambert-St Louis

1 Jan

STL6:00 a.m.Lambert-St Louis

10h 32m

2 stops

YYC3:32 p.m.Calgary

C$ 678

Find similar

American Airlines

22 Nov

YYC6:30 a.m.Calgary

7h 59m

1 stop

STL3:29 p.m.Lambert-St Louis

1 Dec

STL5:17 a.m.Lambert-St Louis

7h 30m

1 stop

YYC11:47 a.m.Calgary

C$ 700

Find similar

United Airlines flights from Alberta to St. Louis

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

United Airlines

5 May

YYC2:00 p.m.Calgary

8h 43m

1 stop

STL11:43 p.m.Lambert-St Louis

6 May

STL5:20 a.m.Lambert-St Louis

9h 36m

1 stop

YYC1:56 p.m.Calgary

C$ 685

Find similar

United Airlines

21 Nov

YYC2:13 p.m.Calgary

6h 41m

1 stop

STL9:54 p.m.Lambert-St Louis

30 Nov

STL6:30 a.m.Lambert-St Louis

6h 05m

1 stop

YYC11:35 a.m.Calgary

C$ 709

Find similar

United Airlines

24 Dec

YYC2:13 p.m.Calgary

7h 09m

1 stop

STL10:22 p.m.Lambert-St Louis

31 Dec

STL9:00 a.m.Lambert-St Louis

13h 53m

1 stop

YYC9:53 p.m.Calgary

C$ 758

Find similar

Fly from

Fly to

Route

Depart

Return

Price

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 14/1

8:00 a.m.-10:34 p.m.

2 stops37h 34m

Lambert-St Louis

Wed 28/1

8:22 p.m.-12:11 p.m.

1 stop16h 49m

C$ 450

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 14/1

4:30 p.m.-12:40 p.m.

1 stop19h 10m

Lambert-St Louis

Wed 28/1

8:22 p.m.-12:11 p.m.

1 stop16h 49m

C$ 488

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 24/12

12:45 p.m.-2:09 p.m.

2 stops24h 24m

Lambert-St Louis

Thu 1/1

8:01 p.m.-12:51 p.m.

1 stop17h 50m

C$ 631

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 24/12

12:45 p.m.-2:09 p.m.

2 stops24h 24m

Lambert-St Louis

Thu 1/1

6:00 a.m.-3:32 p.m.

2 stops10h 32m

C$ 678

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 5/5

2:00 p.m.-11:43 p.m.

1 stop8h 43m

Lambert-St Louis

Wed 6/5

5:20 a.m.-1:56 p.m.

1 stop9h 36m

C$ 685

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 7/5

10:30 a.m.-7:30 p.m.

1 stop8h 00m

Lambert-St Louis

Sun 17/5

1:30 p.m.-9:30 p.m.

1 stop9h 00m

C$ 686

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 14/1

6:30 a.m.-8:06 p.m.

2 stops12h 36m

Lambert-St Louis

Wed 28/1

1:18 p.m.-12:44 a.m.

2 stops12h 26m

C$ 710

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 6/5

12:30 a.m.-10:45 a.m.

1 stop9h 15m

Lambert-St Louis

Sun 17/5

6:30 a.m.-4:48 p.m.

1 stop11h 18m

C$ 713

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 25/12

6:30 a.m.-3:03 p.m.

1 stop7h 33m

Lambert-St Louis

Wed 31/12

6:00 a.m.-5:30 p.m.

2 stops12h 30m

C$ 716

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 13/1

12:15 a.m.-3:29 p.m.

1 stop14h 14m

Lambert-St Louis

Wed 28/1

4:05 p.m.-12:43 a.m.

1 stop9h 38m

C$ 789

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$ 415. 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$ 580.

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$ 441. The most expensive day to fly to St. Louis is Friday, with ticket prices averaging around C$ 783.

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$ 491. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 720 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 November 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$ 342	Free Cancellation	Rating 7.1 10,462 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 451	Free Cancellation	Rating 7.4 9,019 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 578	Free Cancellation	Rating 7.2 3,163 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.

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.

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Cheap flights from Alberta to St. Louis from C$ 213

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 13/12. 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

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

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See travel insights to St. Louis from

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$ 441. The most expensive day to fly to St. Louis is Friday, with ticket prices averaging around C$ 783.

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?

Alaska Airlines, Air Canada, 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