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Cheap flights from Alberta to St. Louis from C$ 220

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 30/5. 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
8:45 a.m. - 7:23 p.m.
YYC
-
STL
9h 38m
1 stop
Multiple Airlines Logo
5:27 p.m. - 3:15 p.m.
STL
-
YYC
22h 48m
2 stops
C$ 418Multiple Airlines
Sat, 30 May - Sat, 6 Jun
American Airlines Logo
1:40 p.m. - 11:56 p.m.
YYC
-
STL
9h 16m
1 stop
American Airlines Logo
9:08 a.m. - 11:43 p.m.
STL
-
YYC
15h 35m
1 stop
C$ 508American Airlines
Wed, 20 May - Mon, 25 May
American Airlines Logo
6:15 a.m. - 4:44 p.m.
YYC
-
STL
9h 29m
1 stop
American Airlines Logo
7:00 a.m. - 11:42 p.m.
STL
-
YYC
17h 42m
1 stop
C$ 542American Airlines
Sat, 30 May - Sat, 6 Jun
American Airlines Logo
1:40 p.m. - 11:56 p.m.
YYC
-
STL
9h 16m
1 stop
American Airlines Logo
7:00 a.m. - 11:43 p.m.
STL
-
YYC
17h 43m
1 stop
C$ 550American Airlines
Wed, 20 May - Sun, 24 May
United Airlines Logo
8:30 a.m. - 3:38 p.m.
YYC
-
STL
6h 08m
1 stop
United Airlines Logo
7:30 a.m. - 10:36 p.m.
STL
-
YYC
16h 06m
1 stop
C$ 556United Airlines
Wed, 2 Sep - Sun, 6 Sep
United Airlines Logo
8:30 a.m. - 3:38 p.m.
YYC
-
STL
6h 08m
1 stop
United Airlines Logo
5:32 p.m. - 10:36 p.m.
STL
-
YYC
6h 04m
1 stop
C$ 557United Airlines
Thu, 3 Sep - Sun, 6 Sep
United Airlines Logo
9:30 a.m. - 11:50 p.m.
YYC
-
STL
13h 20m
1 stop
United Airlines Logo
5:32 p.m. - 10:36 p.m.
STL
-
YYC
6h 04m
1 stop
C$ 560United Airlines
Thu, 3 Sep - Sun, 6 Sep
Delta Logo
2:00 p.m. - 12:36 a.m.
YYC
-
STL
9h 36m
1 stop
Delta Logo
2:15 p.m. - 11:06 p.m.
STL
-
YYC
9h 51m
1 stop
C$ 598Delta
Mon, 10 Aug - Sun, 16 Aug
Air Canada Logo
11:15 a.m. - 8:09 p.m.
YEG
-
STL
7h 54m
1 stop
Air Canada Logo
7:05 a.m. - 7:24 p.m.
STL
-
YEG
13h 19m
1 stop
C$ 707Air Canada
Sat, 16 May - Tue, 26 May
Air Canada Logo
8:00 a.m. - 8:25 p.m.
YEG
-
STL
11h 25m
2 stops
Air Canada Logo
7:05 a.m. - 10:54 p.m.
STL
-
YEG
16h 49m
1 stop
C$ 715Air Canada
Sat, 16 May - Tue, 26 May

American Airlines flights from Alberta to St. Louis

Our best American Airlines deals on Alberta to St. Louis flight tickets
American Airlines
20 May
YYC1:40 p.m.Calgary
9h 16m
1 stop
STL11:56 p.m.Lambert-St Louis
25 May
STL9:08 a.m.Lambert-St Louis
15h 35m
1 stop
YYC11:43 p.m.Calgary
C$ 508
American Airlines
30 May
YYC6:15 a.m.Calgary
9h 29m
1 stop
STL4:44 p.m.Lambert-St Louis
6 Jun
STL7:00 a.m.Lambert-St Louis
17h 42m
1 stop
YYC11:42 p.m.Calgary
C$ 542
American Airlines
20 May
YYC1:40 p.m.Calgary
9h 16m
1 stop
STL11:56 p.m.Lambert-St Louis
24 May
STL7:00 a.m.Lambert-St Louis
17h 43m
1 stop
YYC11:43 p.m.Calgary
C$ 550

Air Canada flights from Alberta to St. Louis

Our best Air Canada deals on Alberta to St. Louis flight tickets
Air Canada
12 May
YYC8:00 a.m.Calgary
11h 25m
2 stops
STL8:25 p.m.Lambert-St Louis
15 May
STL7:05 a.m.Lambert-St Louis
12h 48m
1 stop
YYC6:53 p.m.Calgary
C$ 608
Air Canada
12 May
YYC6:30 a.m.Calgary
12h 55m
2 stops
STL8:25 p.m.Lambert-St Louis
15 May
STL7:05 a.m.Lambert-St Louis
12h 48m
1 stop
YYC6:53 p.m.Calgary
C$ 611
Air Canada
12 May
YYC6:30 a.m.Calgary
12h 55m
2 stops
STL8:25 p.m.Lambert-St Louis
15 May
STL7:05 a.m.Lambert-St Louis
14h 58m
1 stop
YYC9:03 p.m.Calgary
C$ 612

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 16 April 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

Sat 30/5

8:45 a.m.-7:23 p.m.

1 stop9h 38m

Lambert-St Louis

Sat 6/6

5:27 p.m.-3:15 p.m.

2 stops22h 48m

C$ 418

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 20/5

1:40 p.m.-11:56 p.m.

1 stop9h 16m

Lambert-St Louis

Mon 25/5

9:08 a.m.-11:43 p.m.

1 stop15h 35m

C$ 508

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 30/5

6:15 a.m.-4:44 p.m.

1 stop9h 29m

Lambert-St Louis

Sat 6/6

7:00 a.m.-11:42 p.m.

1 stop17h 42m

C$ 542

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 20/5

1:40 p.m.-11:56 p.m.

1 stop9h 16m

Lambert-St Louis

Sun 24/5

7:00 a.m.-11:43 p.m.

1 stop17h 43m

C$ 550

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 2/9

8:30 a.m.-3:38 p.m.

1 stop6h 08m

Lambert-St Louis

Sun 6/9

7:30 a.m.-10:36 p.m.

1 stop16h 06m

C$ 556
Quickest round-trip

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 3/9

8:30 a.m.-3:38 p.m.

1 stop6h 08m

Lambert-St Louis

Sun 6/9

5:32 p.m.-10:36 p.m.

1 stop6h 04m

C$ 557

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 3/9

9:30 a.m.-11:50 p.m.

1 stop13h 20m

Lambert-St Louis

Sun 6/9

5:32 p.m.-10:36 p.m.

1 stop6h 04m

C$ 560

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 10/8

2:00 p.m.-12:36 a.m.

1 stop9h 36m

Lambert-St Louis

Sun 16/8

2:15 p.m.-11:06 p.m.

1 stop9h 51m

C$ 598

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 16/5

11:15 a.m.-8:09 p.m.

1 stop7h 54m

Lambert-St Louis

Tue 26/5

7:05 a.m.-7:24 p.m.

1 stop13h 19m

C$ 707

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 16/5

8:00 a.m.-8:25 p.m.

2 stops11h 25m

Lambert-St Louis

Tue 26/5

7:05 a.m.-10:54 p.m.

1 stop16h 49m

C$ 715

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 October is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 530. If you don’t want to visit St. Louis in October, then you should wait until March to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 541.

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 01m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 6h 01m
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$ 259Free CancellationRating
7.1
10,930 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 542Free CancellationRating
7.4
9,595 reviews
Search United Airlines flights
WestJetPriceFrom C$ 567Free CancellationRating
7.2
3,321 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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