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Cheap flights from Alberta to St. Louis from C$ 260

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 13/8. 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. - 5:22 p.m.
YYC
-
STL
9h 22m
1 stop
Multiple Airlines Logo
6:17 p.m. - 11:00 a.m.
STL
-
YYC
17h 43m
1 stop
C$ 448Multiple Airlines
Fri, 21 Aug - Sun, 30 Aug
Multiple Airlines Logo
7:00 a.m. - 5:22 p.m.
YYC
-
STL
9h 22m
1 stop
Multiple Airlines Logo
6:17 p.m. - 11:00 a.m.
STL
-
YYC
17h 43m
1 stop
C$ 488Multiple Airlines
Fri, 21 Aug - Sun, 30 Aug
Multiple Airlines Logo
7:00 a.m. - 5:22 p.m.
YYC
-
STL
9h 22m
1 stop
Multiple Airlines Logo
6:17 p.m. - 11:00 a.m.
STL
-
YYC
17h 43m
1 stop
C$ 489Multiple Airlines
Fri, 21 Aug - Sun, 30 Aug
Delta Logo
12:33 p.m. - 12:44 a.m.
YYC
-
STL
11h 11m
1 stop
Delta Logo
2:22 p.m. - 11:04 p.m.
STL
-
YYC
9h 42m
1 stop
C$ 507Delta
Fri, 2 Oct - Tue, 6 Oct
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$ 515WestJet
Fri, 21 Aug - Sun, 30 Aug
Air Canada Logo
12:55 a.m. - 2:00 p.m.
YYC
-
STL
12h 05m
1 stop
Air Canada Logo
2:40 p.m. - 10:57 p.m.
STL
-
YYC
9h 17m
1 stop
C$ 523Air Canada
Wed, 30 Sep - Mon, 5 Oct
WestJet Logo
12:20 a.m. - 5:53 p.m.
YYC
-
STL
16h 33m
1 stop
WestJet Logo
8:48 a.m. - 6:10 p.m.
STL
-
YYC
10h 22m
2 stops
C$ 524WestJet
Thu, 20 Aug - Sun, 30 Aug
WestJet Logo
6:00 a.m. - 5:53 p.m.
YYC
-
STL
10h 53m
2 stops
WestJet Logo
6:20 a.m. - 4:10 p.m.
STL
-
YYC
10h 50m
2 stops
C$ 526WestJet
Fri, 4 Sep - Mon, 7 Sep
Air Canada Logo
6:00 a.m. - 3:26 p.m.
YEG
-
STL
8h 26m
1 stop
Air Canada Logo
4:05 p.m. - 11:23 p.m.
STL
-
YEG
8h 18m
1 stop
C$ 681Air Canada
Mon, 23 Nov - Fri, 27 Nov
United Airlines Logo
6:00 a.m. - 8:34 p.m.
YEG
-
STL
13h 34m
1 stop
United Airlines Logo
4:40 p.m. - 10:20 p.m.
STL
-
YEG
6h 40m
1 stop
C$ 854United Airlines
Mon, 23 Nov - Fri, 27 Nov

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WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
21 Aug
YYC7:00 a.m.Calgary
15h 26m
2 stops
STL11:26 p.m.Lambert-St Louis
30 Aug
STL6:20 a.m.Lambert-St Louis
10h 50m
2 stops
YYC4:10 p.m.Calgary
C$ 515
WestJet
20 Aug
YYC12:20 a.m.Calgary
16h 33m
1 stop
STL5:53 p.m.Lambert-St Louis
30 Aug
STL8:48 a.m.Lambert-St Louis
10h 22m
2 stops
YYC6:10 p.m.Calgary
C$ 524
WestJet
4 Sep
YYC6:00 a.m.Calgary
10h 53m
2 stops
STL5:53 p.m.Lambert-St Louis
7 Sep
STL6:20 a.m.Lambert-St Louis
10h 50m
2 stops
YYC4:10 p.m.Calgary
C$ 526

Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
2 Oct
YYC12:33 p.m.Calgary
11h 11m
1 stop
STL12:44 a.m.Lambert-St Louis
6 Oct
STL2:22 p.m.Lambert-St Louis
9h 42m
1 stop
YYC11:04 p.m.Calgary
C$ 507
Delta
2 Oct
YYC12:33 p.m.Calgary
11h 11m
1 stop
STL12:44 a.m.Lambert-St Louis
6 Oct
STL2:22 p.m.Lambert-St Louis
9h 42m
1 stop
YYC11:04 p.m.Calgary
C$ 584
Delta
19 Jul
YYC6:45 a.m.Calgary
9h 01m
1 stop
STL4:46 p.m.Lambert-St Louis
23 Jul
STL6:21 a.m.Lambert-St Louis
7h 53m
1 stop
YYC1:14 p.m.Calgary
C$ 802

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 7 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 21/8

7:00 a.m.-5:22 p.m.

1 stop9h 22m

Lambert-St Louis

Sun 30/8

6:17 p.m.-11:00 a.m.

1 stop17h 43m

C$ 448

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 21/8

7:00 a.m.-5:22 p.m.

1 stop9h 22m

Lambert-St Louis

Sun 30/8

6:17 p.m.-11:00 a.m.

1 stop17h 43m

C$ 488

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 21/8

7:00 a.m.-5:22 p.m.

1 stop9h 22m

Lambert-St Louis

Sun 30/8

6:17 p.m.-11:00 a.m.

1 stop17h 43m

C$ 489

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 2/10

12:33 p.m.-12:44 a.m.

1 stop11h 11m

Lambert-St Louis

Tue 6/10

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

1 stop9h 42m

C$ 507

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 21/8

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$ 515

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 30/9

12:55 a.m.-2:00 p.m.

1 stop12h 05m

Lambert-St Louis

Mon 5/10

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

1 stop9h 17m

C$ 523

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 20/8

12:20 a.m.-5:53 p.m.

1 stop16h 33m

Lambert-St Louis

Sun 30/8

8:48 a.m.-6:10 p.m.

2 stops10h 22m

C$ 524

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 4/9

6:00 a.m.-5:53 p.m.

2 stops10h 53m

Lambert-St Louis

Mon 7/9

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

2 stops10h 50m

C$ 526
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 23/11

6:00 a.m.-3:26 p.m.

1 stop8h 26m

Lambert-St Louis

Fri 27/11

4:05 p.m.-11:23 p.m.

1 stop8h 18m

C$ 681

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 23/11

6:00 a.m.-8:34 p.m.

1 stop13h 34m

Lambert-St Louis

Fri 27/11

4:40 p.m.-10:20 p.m.

1 stop6h 40m

C$ 854

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$ 269. 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$ 355.

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

You could potentially save up to 17% 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

5h 37m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 5h 37m
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$ 268Free CancellationRating
7.1
11,318 reviews
Search Air Canada flights
DeltaPriceFrom C$ 355Free CancellationRating
7.8
8,451 reviews
Search Delta flights
United AirlinesPriceFrom C$ 404Free CancellationRating
7.4
9,945 reviews
Search United Airlines flights
WestJetPriceFrom C$ 581Free CancellationRating
7.2
3,400 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.

An easier way to manage your St. Louis trip

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