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Cheap flights from Alberta to St. Louis from C$ 233

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 9/6. 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
12:30 a.m. - 5:37 p.m.
YYC
-
STL
16h 07m
1 stop
Multiple Airlines Logo
4:52 p.m. - 9:50 p.m.
STL
-
YYC
29h 58m
1 stop
C$ 462Multiple Airlines
Wed, 8 Jul - Mon, 13 Jul
Multiple Airlines Logo
12:30 a.m. - 5:37 p.m.
YYC
-
STL
16h 07m
1 stop
Multiple Airlines Logo
4:52 p.m. - 3:15 p.m.
STL
-
YYC
23h 23m
2 stops
C$ 475Multiple Airlines
Wed, 8 Jul - Mon, 13 Jul
Multiple Airlines Logo
7:00 a.m. - 8:55 a.m.
YYC
-
STL
24h 55m
1 stop
Multiple Airlines Logo
5:27 p.m. - 6:10 p.m.
STL
-
YYC
25h 43m
2 stops
C$ 527Multiple Airlines
Fri, 5 Jun - Mon, 8 Jun
Delta Logo
7:45 a.m. - 2:31 p.m.
YYC
-
STL
5h 46m
1 stop
Delta Logo
2:15 p.m. - 11:13 p.m.
STL
-
YYC
9h 58m
1 stop
C$ 544Delta
Sat, 10 Oct - Mon, 19 Oct
Delta Logo
7:15 a.m. - 6:56 p.m.
YYC
-
STL
10h 41m
1 stop
Delta Logo
2:15 p.m. - 11:13 p.m.
STL
-
YYC
9h 58m
1 stop
C$ 546Delta
Fri, 23 Oct - Sun, 25 Oct
Air Canada Logo
6:30 a.m. - 6:41 p.m.
YYC
-
STL
11h 11m
2 stops
Air Canada Logo
12:10 p.m. - 9:27 p.m.
STL
-
YYC
10h 17m
1 stop
C$ 557Air Canada
Wed, 14 Oct - Mon, 19 Oct
American Airlines Logo
4:15 p.m. - 11:58 p.m.
YYC
-
STL
6h 43m
1 stop
American Airlines Logo
2:32 p.m. - 11:49 p.m.
STL
-
YYC
10h 17m
1 stop
C$ 561American Airlines
Fri, 10 Jul - Tue, 14 Jul
United Airlines Logo
9:30 a.m. - 8:38 p.m.
YYC
-
STL
10h 08m
1 stop
United Airlines Logo
1:36 p.m. - 6:30 p.m.
STL
-
YYC
5h 54m
1 stop
C$ 562United Airlines
Fri, 28 Aug - Mon, 31 Aug
United Airlines Logo
3:17 p.m. - 11:57 p.m.
YEG
-
STL
7h 40m
1 stop
United Airlines Logo
4:48 p.m. - 10:04 p.m.
STL
-
YEG
6h 16m
1 stop
C$ 657United Airlines
Thu, 11 Jun - Tue, 16 Jun
Air Canada Logo
9:30 a.m. - 6:42 p.m.
YEG
-
STL
8h 12m
1 stop
Air Canada Logo
8:55 a.m. - 5:01 p.m.
STL
-
YEG
9h 06m
1 stop
C$ 678Air Canada
Mon, 7 Sep - Wed, 16 Sep

Alaska Airlines flights from Alberta to St. Louis

Our best Alaska Airlines deals on Alberta to St. Louis flight tickets
Alaska Airlines
5 Jun
YEG11:46 a.m.Edmonton
27h 51m
2 stops
STL4:37 p.m.Lambert-St Louis
8 Jun
STL7:41 p.m.Lambert-St Louis
16h 15m
1 stop
YEG10:56 a.m.Edmonton
C$ 706
Alaska Airlines
5 Jun
YEG11:46 a.m.Edmonton
11h 08m
1 stop
STL11:54 p.m.Lambert-St Louis
8 Jun
STL7:41 p.m.Lambert-St Louis
16h 15m
1 stop
YEG10:56 a.m.Edmonton
C$ 708
Alaska Airlines
5 Jun
YEG11:46 a.m.Edmonton
27h 51m
2 stops
STL4:37 p.m.Lambert-St Louis
8 Jun
STL4:12 p.m.Lambert-St Louis
19h 44m
1 stop
YEG10:56 a.m.Edmonton
C$ 802

Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
10 Oct
YYC7:45 a.m.Calgary
5h 46m
1 stop
STL2:31 p.m.Lambert-St Louis
19 Oct
STL2:15 p.m.Lambert-St Louis
9h 58m
1 stop
YYC11:13 p.m.Calgary
C$ 544
Delta
23 Oct
YYC7:15 a.m.Calgary
10h 41m
1 stop
STL6:56 p.m.Lambert-St Louis
25 Oct
STL2:15 p.m.Lambert-St Louis
9h 58m
1 stop
YYC11:13 p.m.Calgary
C$ 546
Delta
12 Oct
YYC7:45 a.m.Calgary
14h 33m
1 stop
STL11:18 p.m.Lambert-St Louis
19 Oct
STL2:15 p.m.Lambert-St Louis
9h 58m
1 stop
YYC11:13 p.m.Calgary
C$ 580

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 15 May 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

Wed 8/7

12:30 a.m.-5:37 p.m.

1 stop16h 07m

Lambert-St Louis

Mon 13/7

4:52 p.m.-9:50 p.m.

1 stop29h 58m

C$ 462

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 8/7

12:30 a.m.-5:37 p.m.

1 stop16h 07m

Lambert-St Louis

Mon 13/7

4:52 p.m.-3:15 p.m.

2 stops23h 23m

C$ 475

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 5/6

7:00 a.m.-8:55 a.m.

1 stop24h 55m

Lambert-St Louis

Mon 8/6

5:27 p.m.-6:10 p.m.

2 stops25h 43m

C$ 527

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 10/10

7:45 a.m.-2:31 p.m.

1 stop5h 46m

Lambert-St Louis

Mon 19/10

2:15 p.m.-11:13 p.m.

1 stop9h 58m

C$ 544

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 23/10

7:15 a.m.-6:56 p.m.

1 stop10h 41m

Lambert-St Louis

Sun 25/10

2:15 p.m.-11:13 p.m.

1 stop9h 58m

C$ 546

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 14/10

6:30 a.m.-6:41 p.m.

2 stops11h 11m

Lambert-St Louis

Mon 19/10

12:10 p.m.-9:27 p.m.

1 stop10h 17m

C$ 557

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/7

4:15 p.m.-11:58 p.m.

1 stop6h 43m

Lambert-St Louis

Tue 14/7

2:32 p.m.-11:49 p.m.

1 stop10h 17m

C$ 561

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 28/8

9:30 a.m.-8:38 p.m.

1 stop10h 08m

Lambert-St Louis

Mon 31/8

1:36 p.m.-6:30 p.m.

1 stop5h 54m

C$ 562
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 11/6

3:17 p.m.-11:57 p.m.

1 stop7h 40m

Lambert-St Louis

Tue 16/6

4:48 p.m.-10:04 p.m.

1 stop6h 16m

C$ 657

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 7/9

9:30 a.m.-6:42 p.m.

1 stop8h 12m

Lambert-St Louis

Wed 16/9

8:55 a.m.-5:01 p.m.

1 stop9h 06m

C$ 678

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$ 259. If you don’t want to visit St. Louis in August, then you should wait until July to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 314.

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$ 259Free CancellationRating
7.1
11,042 reviews
Search Air Canada flights
DeltaPriceFrom C$ 314Free CancellationRating
7.9
8,456 reviews
Search Delta flights
United AirlinesPriceFrom C$ 540Free CancellationRating
7.4
9,719 reviews
Search United Airlines flights
WestJetPriceFrom C$ 594Free CancellationRating
7.2
3,335 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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