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Cheap flights from Alberta to St. Louis from C$ 244

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 20/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Alberta to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 a.m. - 9:40 a.m.
YYC
-
STL
25h 40m
1 stop
Multiple Airlines Logo
10:35 a.m. - 11:00 a.m.
STL
-
YYC
25h 25m
1 stop
C$ 457Multiple Airlines
Fri, 2 Oct - Tue, 6 Oct
Multiple Airlines Logo
12:20 a.m. - 9:40 a.m.
YYC
-
STL
8h 20m
1 stop
Multiple Airlines Logo
10:35 a.m. - 11:00 a.m.
STL
-
YYC
25h 25m
1 stop
C$ 473Multiple Airlines
Sun, 11 Oct - Fri, 16 Oct
Multiple Airlines Logo
12:20 a.m. - 5:22 p.m.
YYC
-
STL
16h 02m
1 stop
Multiple Airlines Logo
8:10 p.m. - 12:10 p.m.
STL
-
YYC
41h 00m
2 stops
C$ 490Multiple Airlines
Thu, 20 Aug - Mon, 14 Sep
American Airlines Logo
1:52 p.m. - 8:24 a.m.
YYC
-
STL
17h 32m
1 stop
American Airlines Logo
11:01 a.m. - 11:29 p.m.
STL
-
YYC
13h 28m
1 stop
C$ 499American Airlines
Fri, 21 Aug - Mon, 14 Sep
WestJet Logo
8:00 p.m. - 9:54 a.m.
YYC
-
STL
12h 54m
2 stops
WestJet Logo
11:13 a.m. - 7:40 p.m.
STL
-
YYC
9h 27m
2 stops
C$ 504WestJet
Wed, 26 Aug - Tue, 1 Sep
WestJet Logo
9:00 p.m. - 9:34 a.m.
YYC
-
STL
11h 34m
2 stops
WestJet Logo
6:15 a.m. - 4:10 p.m.
STL
-
YYC
10h 55m
2 stops
C$ 507WestJet
Tue, 8 Sep - Tue, 22 Sep
Multiple Airlines Logo
12:20 a.m. - 9:40 a.m.
YYC
-
STL
8h 20m
1 stop
Multiple Airlines Logo
2:00 p.m. - 10:15 p.m.
STL
-
YYC
33h 15m
2 stops
C$ 510Multiple Airlines
Sun, 11 Oct - Fri, 16 Oct
American Airlines Logo
8:00 a.m. - 10:58 p.m.
YEG
-
STL
14h 58m
2 stops
American Airlines Logo
6:56 a.m. - 8:39 p.m.
STL
-
YEG
13h 43m
2 stops
C$ 915American Airlines
Thu, 17 Dec - Tue, 5 Jan
United Airlines Logo
6:00 a.m. - 8:40 p.m.
YEG
-
STL
14h 40m
1 stop
United Airlines Logo
7:04 p.m. - 3:15 p.m.
STL
-
YEG
20h 11m
2 stops
C$ 929United Airlines
Thu, 17 Dec - Tue, 5 Jan
United Airlines Logo
6:00 a.m. - 4:34 p.m.
YEG
-
STL
9h 34m
1 stop
United Airlines Logo
4:40 p.m. - 10:04 p.m.
STL
-
YEG
6h 24m
1 stop
C$ 936United Airlines
Tue, 22 Sep - Wed, 23 Sep

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American Airlines flights from Alberta to St. Louis

Our best American Airlines deals on Alberta to St. Louis flight tickets
American Airlines
21 Aug
YYC1:52 p.m.Calgary
17h 32m
1 stop
STL8:24 a.m.Lambert-St Louis
14 Sep
STL11:01 a.m.Lambert-St Louis
13h 28m
1 stop
YYC11:29 p.m.Calgary
C$ 499
American Airlines
17 Dec
YEG8:00 a.m.Edmonton
14h 58m
2 stops
STL10:58 p.m.Lambert-St Louis
5 Jan
STL6:56 a.m.Lambert-St Louis
13h 43m
2 stops
YEG8:39 p.m.Edmonton
C$ 914
American Airlines
17 Dec
YEG8:00 a.m.Edmonton
14h 58m
2 stops
STL10:58 p.m.Lambert-St Louis
5 Jan
STL6:56 a.m.Lambert-St Louis
13h 43m
2 stops
YEG8:39 p.m.Edmonton
C$ 916

WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
26 Aug
YYC8:00 p.m.Calgary
12h 54m
2 stops
STL9:54 a.m.Lambert-St Louis
1 Sep
STL11:13 a.m.Lambert-St Louis
9h 27m
2 stops
YYC7:40 p.m.Calgary
C$ 504
WestJet
8 Sep
YYC9:00 p.m.Calgary
11h 34m
2 stops
STL9:34 a.m.Lambert-St Louis
22 Sep
STL6:15 a.m.Lambert-St Louis
10h 55m
2 stops
YYC4:10 p.m.Calgary
C$ 507
WestJet
26 Aug
YYC8:00 p.m.Calgary
12h 54m
2 stops
STL9:54 a.m.Lambert-St Louis
1 Sep
STL12:52 p.m.Lambert-St Louis
23h 08m
1 stop
YYC11:00 a.m.Calgary
C$ 514

momondo Fare Finder

 
Customize your flight search to find flights from Alberta to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 25 July 2026.
Use the filters below to find and compare flights from Alberta to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 2/10

7:00 a.m.-9:40 a.m.

1 stop25h 40m

Lambert-St Louis

Tue 6/10

10:35 a.m.-11:00 a.m.

1 stop25h 25m

C$ 457

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 11/10

12:20 a.m.-9:40 a.m.

1 stop8h 20m

Lambert-St Louis

Fri 16/10

10:35 a.m.-11:00 a.m.

1 stop25h 25m

C$ 473

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 20/8

12:20 a.m.-5:22 p.m.

1 stop16h 02m

Lambert-St Louis

Mon 14/9

8:10 p.m.-12:10 p.m.

2 stops41h 00m

C$ 490

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 21/8

1:52 p.m.-8:24 a.m.

1 stop17h 32m

Lambert-St Louis

Mon 14/9

11:01 a.m.-11:29 p.m.

1 stop13h 28m

C$ 499

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 26/8

8:00 p.m.-9:54 a.m.

2 stops12h 54m

Lambert-St Louis

Tue 1/9

11:13 a.m.-7:40 p.m.

2 stops9h 27m

C$ 504

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 8/9

9:00 p.m.-9:34 a.m.

2 stops11h 34m

Lambert-St Louis

Tue 22/9

6:15 a.m.-4:10 p.m.

2 stops10h 55m

C$ 507

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 11/10

12:20 a.m.-9:40 a.m.

1 stop8h 20m

Lambert-St Louis

Fri 16/10

2:00 p.m.-10:15 p.m.

2 stops33h 15m

C$ 510

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 17/12

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

2 stops14h 58m

Lambert-St Louis

Tue 5/1

6:56 a.m.-8:39 p.m.

2 stops13h 43m

C$ 914

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 17/12

6:00 a.m.-8:40 p.m.

1 stop14h 40m

Lambert-St Louis

Tue 5/1

7:04 p.m.-3:15 p.m.

2 stops20h 11m

C$ 929
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 22/9

6:00 a.m.-4:34 p.m.

1 stop9h 34m

Lambert-St Louis

Wed 23/9

4:40 p.m.-10:04 p.m.

1 stop6h 24m

C$ 936

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of May is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 451. If you don’t want to visit St. Louis in May, then you should wait until March to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 554.

Can stopping save me money on Alberta to St. Louis flights?

You could potentially save up to 10% on your flight if you consider stops on a Alberta to St. Louis flight.

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

7h 40m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 7h 40m
There are no direct flights from Alberta to St. Louis. There are no popular flight routes from Alberta to St. Louis.
Search flight deals

Frequently asked questions about flying from Alberta to 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 refresh daily.

  • 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?

    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 CanadaPriceFrom C$ 266Free CancellationRating
7.1
11,385 reviews
Search Air Canada flights
DeltaPriceFrom C$ 352Free CancellationRating
7.8
8,492 reviews
Search Delta flights
United AirlinesPriceFrom C$ 401Free CancellationRating
7.4
10,036 reviews
Search United Airlines flights
WestJetPriceFrom C$ 650Free CancellationRating
7.2
3,415 reviews
Search WestJet flights

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.

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