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Cheap flights from Alberta to St. Louis from C$ 216

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 29/4. 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

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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. - 6:50 a.m.
YYC
-
STL
22h 50m
1 stop
Multiple Airlines Logo
8:12 p.m. - 2:45 p.m.
STL
-
YYC
19h 33m
1 stop
C$ 399Multiple Airlines
Fri, 1 May - Sat, 9 May
Multiple Airlines Logo
7:00 a.m. - 11:19 p.m.
YYC
-
STL
15h 19m
2 stops
Multiple Airlines Logo
8:12 p.m. - 2:45 p.m.
STL
-
YYC
19h 33m
1 stop
C$ 440Multiple Airlines
Fri, 1 May - Sat, 9 May
American Airlines Logo
6:30 a.m. - 3:28 p.m.
YYC
-
STL
7h 58m
1 stop
American Airlines Logo
8:03 p.m. - 12:59 p.m.
STL
-
YYC
17h 56m
1 stop
C$ 451American Airlines
Tue, 31 Mar - Tue, 7 Apr
Delta Logo
12:30 p.m. - 12:21 a.m.
YYC
-
STL
10h 51m
1 stop
Delta Logo
2:22 p.m. - 11:02 p.m.
STL
-
YYC
9h 40m
1 stop
C$ 516Delta
Thu, 12 Mar - Mon, 16 Mar
Air Canada Logo
5:45 a.m. - 3:25 p.m.
YYC
-
STL
8h 40m
1 stop
Air Canada Logo
4:05 p.m. - 8:28 a.m.
STL
-
YYC
17h 23m
1 stop
C$ 552Air Canada
Sun, 12 Apr - Sun, 19 Apr
United Airlines Logo
6:00 a.m. - 8:54 p.m.
YYC
-
STL
13h 54m
1 stop
United Airlines Logo
6:30 a.m. - 11:32 a.m.
STL
-
YYC
6h 02m
1 stop
C$ 563United Airlines
Tue, 31 Mar - Sun, 5 Apr
Delta Logo
7:40 a.m. - 11:31 p.m.
YYC
-
STL
14h 51m
2 stops
Delta Logo
2:20 p.m. - 11:00 p.m.
STL
-
YYC
9h 40m
1 stop
C$ 574Delta
Sun, 12 Apr - Sun, 19 Apr
Air Canada Logo
5:55 a.m. - 3:29 p.m.
YEG
-
STL
8h 34m
1 stop
Air Canada Logo
4:05 p.m. - 11:18 p.m.
STL
-
YEG
8h 13m
1 stop
C$ 635Air Canada
Thu, 12 Mar - Wed, 18 Mar
United Airlines Logo
3:17 p.m. - 11:34 p.m.
YEG
-
STL
7h 17m
1 stop
United Airlines Logo
9:00 a.m. - 2:15 p.m.
STL
-
YEG
6h 15m
1 stop
C$ 662United Airlines
Tue, 17 Mar - Sat, 21 Mar
American Airlines Logo
7:00 a.m. - 11:44 p.m.
YEG
-
STL
15h 44m
2 stops
American Airlines Logo
3:33 p.m. - 3:36 p.m.
STL
-
YEG
25h 03m
2 stops
C$ 873American Airlines
Tue, 17 Mar - Sun, 22 Mar

Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
25 Apr
YYC7:40 a.m.Calgary
8h 10m
2 stops
STL4:50 p.m.Lambert-St Louis
1 May
STL2:20 p.m.Lambert-St Louis
9h 40m
1 stop
YYC11:00 p.m.Calgary
C$ 516
Delta
12 Apr
YYC7:40 a.m.Calgary
14h 51m
2 stops
STL11:31 p.m.Lambert-St Louis
19 Apr
STL2:20 p.m.Lambert-St Louis
9h 40m
1 stop
YYC11:00 p.m.Calgary
C$ 574
Delta
31 Mar
YYC7:40 a.m.Calgary
8h 25m
2 stops
STL5:05 p.m.Lambert-St Louis
5 Apr
STL12:28 p.m.Lambert-St Louis
9h 17m
1 stop
YYC8:45 p.m.Calgary
C$ 578

WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
31 Mar
YYC7:00 a.m.Calgary
9h 05m
2 stops
STL5:05 p.m.Lambert-St Louis
5 Apr
STL6:29 a.m.Lambert-St Louis
10h 46m
2 stops
YYC4:15 p.m.Calgary
C$ 718
WestJet
2 Aug
YYC6:00 a.m.Calgary
11h 02m
2 stops
STL6:02 p.m.Lambert-St Louis
8 Aug
STL12:10 p.m.Lambert-St Louis
8h 30m
2 stops
YYC7:40 p.m.Calgary
C$ 735
WestJet
18 Jun
YYC12:25 p.m.Calgary
9h 36m
2 stops
STL11:01 p.m.Lambert-St Louis
22 Jun
STL12:10 p.m.Lambert-St Louis
9h 30m
2 stops
YYC8:40 p.m.Calgary
C$ 744

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 27 February 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

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/5

7:00 a.m.-6:50 a.m.

1 stop22h 50m

Lambert-St Louis

Sat 9/5

8:12 p.m.-2:45 p.m.

1 stop19h 33m

C$ 399

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 1/5

7:00 a.m.-11:19 p.m.

2 stops15h 19m

Lambert-St Louis

Sat 9/5

8:12 p.m.-2:45 p.m.

1 stop19h 33m

C$ 440

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 31/3

6:30 a.m.-3:28 p.m.

1 stop7h 58m

Lambert-St Louis

Tue 7/4

8:03 p.m.-12:59 p.m.

1 stop17h 56m

C$ 451

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 12/3

12:30 p.m.-12:21 a.m.

1 stop10h 51m

Lambert-St Louis

Mon 16/3

2:22 p.m.-11:02 p.m.

1 stop9h 40m

C$ 516

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 12/4

5:45 a.m.-3:25 p.m.

1 stop8h 40m

Lambert-St Louis

Sun 19/4

4:05 p.m.-8:28 a.m.

1 stop17h 23m

C$ 552

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 31/3

6:00 a.m.-8:54 p.m.

1 stop13h 54m

Lambert-St Louis

Sun 5/4

6:30 a.m.-11:32 a.m.

1 stop6h 02m

C$ 563

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 12/4

7:40 a.m.-11:31 p.m.

2 stops14h 51m

Lambert-St Louis

Sun 19/4

2:20 p.m.-11:00 p.m.

1 stop9h 40m

C$ 574

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 12/3

5:55 a.m.-3:29 p.m.

1 stop8h 34m

Lambert-St Louis

Wed 18/3

4:05 p.m.-11:18 p.m.

1 stop8h 13m

C$ 635

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 17/3

3:17 p.m.-11:34 p.m.

1 stop7h 17m

Lambert-St Louis

Sat 21/3

9:00 a.m.-2:15 p.m.

1 stop6h 15m

C$ 662

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 17/3

7:00 a.m.-11:44 p.m.

2 stops15h 44m

Lambert-St Louis

Sun 22/3

3:33 p.m.-3:36 p.m.

2 stops25h 03m

C$ 873

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 July is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 568. If you don’t want to visit St. Louis in July, then you should wait until April to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 586.

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

6h 14m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 6h 14m
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?

  • 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$ 357Free CancellationRating
7.1
10,757 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 439Free CancellationRating
7.4
9,363 reviews
Search United Airlines flights
WestJetPriceFrom C$ 563Free CancellationRating
7.2
3,276 reviews
Search WestJet flights

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Chesterfield

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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