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Cheap flights from Alberta to St. Louis from C$ 242

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 21/8. 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.
Delta Logo
12:33 p.m. - 12:34 a.m.
YYC
-
STL
11h 01m
1 stop
Delta Logo
2:22 p.m. - 11:04 p.m.
STL
-
YYC
9h 42m
1 stop
C$ 457Delta
Thu, 8 Oct - Wed, 14 Oct
Air Canada Logo
11:55 p.m. - 2:02 p.m.
YYC
-
STL
13h 07m
1 stop
Air Canada Logo
2:40 p.m. - 10:57 p.m.
STL
-
YYC
9h 17m
1 stop
C$ 469Air Canada
Fri, 4 Sep - Sat, 12 Sep
WestJet Logo
7:00 a.m. - 11:26 p.m.
YYC
-
STL
15h 26m
2 stops
WestJet Logo
11:13 a.m. - 8:40 p.m.
STL
-
YYC
10h 27m
2 stops
C$ 490WestJet
Wed, 26 Aug - Wed, 2 Sep
WestJet Logo
7:00 a.m. - 11:26 p.m.
YYC
-
STL
15h 26m
2 stops
WestJet Logo
5:23 p.m. - 11:00 a.m.
STL
-
YYC
18h 37m
1 stop
C$ 500WestJet
Wed, 26 Aug - Wed, 2 Sep
WestJet Logo
11:00 a.m. - 8:42 p.m.
YYC
-
STL
8h 42m
1 stop
WestJet Logo
7:00 a.m. - 5:10 p.m.
STL
-
YYC
11h 10m
1 stop
C$ 507WestJet
Wed, 26 Aug - Wed, 2 Sep
WestJet Logo
7:00 a.m. - 11:26 p.m.
YYC
-
STL
15h 26m
2 stops
WestJet Logo
6:20 a.m. - 4:10 p.m.
STL
-
YYC
10h 50m
2 stops
C$ 511WestJet
Sun, 23 Aug - Sun, 30 Aug
WestJet Logo
7:00 a.m. - 5:53 p.m.
YYC
-
STL
9h 53m
1 stop
WestJet Logo
6:15 a.m. - 4:10 p.m.
STL
-
YYC
10h 55m
2 stops
C$ 514WestJet
Fri, 4 Sep - Sat, 12 Sep
Multiple Airlines Logo
6:00 a.m. - 8:36 p.m.
YYC
-
STL
13h 36m
1 stop
Multiple Airlines Logo
4:05 p.m. - 8:44 a.m.
STL
-
YYC
17h 39m
1 stop
C$ 520Multiple Airlines
Wed, 21 Oct - Sun, 25 Oct
United Airlines Logo
4:50 p.m. - 11:57 p.m.
YEG
-
STL
6h 07m
1 stop
United Airlines Logo
5:10 a.m. - 2:08 p.m.
STL
-
YEG
9h 58m
1 stop
C$ 692United Airlines
Wed, 29 Jul - Wed, 5 Aug
United Airlines Logo
6:00 a.m. - 8:46 p.m.
YEG
-
STL
13h 46m
1 stop
United Airlines Logo
8:00 a.m. - 3:32 p.m.
STL
-
YEG
8h 32m
1 stop
C$ 694United Airlines
Mon, 24 Aug - Wed, 26 Aug

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Air Canada flights from Alberta to St. Louis

Our best Air Canada deals on Alberta to St. Louis flight tickets
Air Canada
4 Sep
YYC11:55 p.m.Calgary
13h 07m
1 stop
STL2:02 p.m.Lambert-St Louis
12 Sep
STL2:40 p.m.Lambert-St Louis
9h 17m
1 stop
YYC10:57 p.m.Calgary
C$ 469
Air Canada
9 Oct
YYC11:55 p.m.Calgary
13h 05m
1 stop
STL2:00 p.m.Lambert-St Louis
14 Oct
STL8:55 a.m.Lambert-St Louis
9h 12m
1 stop
YYC5:07 p.m.Calgary
C$ 522
Air Canada
10 Aug
YYC12:55 a.m.Calgary
12h 09m
1 stop
STL2:04 p.m.Lambert-St Louis
13 Aug
STL12:10 p.m.Lambert-St Louis
12h 42m
1 stop
YYC11:52 p.m.Calgary
C$ 539

WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
26 Aug
YYC7:00 a.m.Calgary
15h 26m
2 stops
STL11:26 p.m.Lambert-St Louis
2 Sep
STL11:13 a.m.Lambert-St Louis
10h 27m
2 stops
YYC8:40 p.m.Calgary
C$ 490
WestJet
26 Aug
YYC7:00 a.m.Calgary
15h 26m
2 stops
STL11:26 p.m.Lambert-St Louis
2 Sep
STL5:23 p.m.Lambert-St Louis
18h 37m
1 stop
YYC11:00 a.m.Calgary
C$ 500
WestJet
26 Aug
YYC11:00 a.m.Calgary
8h 42m
1 stop
STL8:42 p.m.Lambert-St Louis
2 Sep
STL7:00 a.m.Lambert-St Louis
11h 10m
1 stop
YYC5:10 p.m.Calgary
C$ 507

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 12 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

Thu 8/10

12:33 p.m.-12:34 a.m.

1 stop11h 01m

Lambert-St Louis

Wed 14/10

2:22 p.m.-11:04 p.m.

1 stop9h 42m

C$ 457

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 4/9

11:55 p.m.-2:02 p.m.

1 stop13h 07m

Lambert-St Louis

Sat 12/9

2:40 p.m.-10:57 p.m.

1 stop9h 17m

C$ 469

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 26/8

7:00 a.m.-11:26 p.m.

2 stops15h 26m

Lambert-St Louis

Wed 2/9

11:13 a.m.-8:40 p.m.

2 stops10h 27m

C$ 490

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 26/8

7:00 a.m.-11:26 p.m.

2 stops15h 26m

Lambert-St Louis

Wed 2/9

5:23 p.m.-11:00 a.m.

1 stop18h 37m

C$ 500

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 26/8

11:00 a.m.-8:42 p.m.

1 stop8h 42m

Lambert-St Louis

Wed 2/9

7:00 a.m.-5:10 p.m.

1 stop11h 10m

C$ 507

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 23/8

7:00 a.m.-11:26 p.m.

2 stops15h 26m

Lambert-St Louis

Sun 30/8

6:20 a.m.-4:10 p.m.

2 stops10h 50m

C$ 511

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 4/9

7:00 a.m.-5:53 p.m.

1 stop9h 53m

Lambert-St Louis

Sat 12/9

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

2 stops10h 55m

C$ 514

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 21/10

6:00 a.m.-8:36 p.m.

1 stop13h 36m

Lambert-St Louis

Sun 25/10

4:05 p.m.-8:44 a.m.

1 stop17h 39m

C$ 520
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 29/7

4:50 p.m.-11:57 p.m.

1 stop6h 07m

Lambert-St Louis

Wed 5/8

5:10 a.m.-2:08 p.m.

1 stop9h 58m

C$ 692

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 24/8

6:00 a.m.-8:46 p.m.

1 stop13h 46m

Lambert-St Louis

Wed 26/8

8:00 a.m.-3:32 p.m.

1 stop8h 32m

C$ 694

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 August is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 268. If you don’t want to visit St. Louis in August, then you should wait until May to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 354.

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

6h 58m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 6h 58m
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$ 267Free CancellationRating
7.1
11,332 reviews
Search Air Canada flights
DeltaPriceFrom C$ 353Free CancellationRating
7.8
8,461 reviews
Search Delta flights
United AirlinesPriceFrom C$ 403Free CancellationRating
7.4
9,982 reviews
Search United Airlines flights
WestJetPriceFrom C$ 578Free CancellationRating
7.2
3,409 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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