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Cheap flights from Alberta to St. Louis from C$ 244

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 18/6. 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
7:00 a.m. - 8:55 a.m.
YYC
-
STL
24h 55m
1 stop
Multiple Airlines Logo
6:33 p.m. - 10:00 p.m.
STL
-
YYC
28h 27m
2 stops
C$ 502Multiple Airlines
Sun, 31 May - Sun, 7 Jun
Delta Logo
7:15 a.m. - 5:56 p.m.
YYC
-
STL
9h 41m
1 stop
Delta Logo
6:30 a.m. - 12:47 p.m.
STL
-
YYC
7h 17m
1 stop
C$ 545Delta
Fri, 23 Oct - Sun, 25 Oct
American Airlines Logo
1:53 p.m. - 12:16 a.m.
YYC
-
STL
9h 23m
1 stop
American Airlines Logo
1:25 p.m. - 11:49 p.m.
STL
-
YYC
11h 24m
1 stop
C$ 547American Airlines
Wed, 15 Jul - Wed, 22 Jul
Multiple Airlines Logo
7:00 a.m. - 8:55 a.m.
YYC
-
STL
24h 55m
1 stop
Multiple Airlines Logo
6:33 p.m. - 11:00 a.m.
STL
-
YYC
17h 27m
1 stop
C$ 558Multiple Airlines
Sun, 31 May - Sun, 7 Jun
Delta Logo
6:45 a.m. - 11:21 p.m.
YYC
-
STL
15h 36m
1 stop
Delta Logo
2:28 p.m. - 11:01 p.m.
STL
-
YYC
9h 33m
1 stop
C$ 577Delta
Wed, 3 Jun - Wed, 10 Jun
American Airlines Logo
12:45 p.m. - 10:59 p.m.
YYC
-
STL
9h 14m
1 stop
American Airlines Logo
2:36 p.m. - 11:43 p.m.
STL
-
YYC
10h 07m
1 stop
C$ 597American Airlines
Tue, 19 May - Mon, 25 May
United Airlines Logo
3:15 p.m. - 11:50 p.m.
YEG
-
STL
7h 35m
1 stop
United Airlines Logo
5:00 a.m. - 3:52 p.m.
STL
-
YEG
11h 52m
1 stop
C$ 705United Airlines
Tue, 18 Aug - Wed, 19 Aug
United Airlines Logo
3:15 p.m. - 11:50 p.m.
YEG
-
STL
7h 35m
1 stop
United Airlines Logo
9:00 a.m. - 10:09 p.m.
STL
-
YEG
14h 09m
1 stop
C$ 706United Airlines
Tue, 18 Aug - Wed, 19 Aug
Air Canada Logo
9:30 a.m. - 6:42 p.m.
YEG
-
STL
8h 12m
1 stop
Air Canada Logo
8:55 a.m. - 8:58 p.m.
STL
-
YEG
13h 03m
1 stop
C$ 717Air Canada
Tue, 18 Aug - Wed, 19 Aug
Air Canada Logo
6:00 a.m. - 8:09 p.m.
YEG
-
STL
13h 09m
1 stop
Air Canada Logo
2:15 p.m. - 8:54 p.m.
STL
-
YEG
7h 39m
1 stop
C$ 724Air Canada
Thu, 4 Jun - Mon, 8 Jun

Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
23 Oct
YYC7:15 a.m.Calgary
9h 41m
1 stop
STL5:56 p.m.Lambert-St Louis
25 Oct
STL6:30 a.m.Lambert-St Louis
7h 17m
1 stop
YYC12:47 p.m.Calgary
C$ 545
Delta
3 Jun
YYC6:45 a.m.Calgary
15h 36m
1 stop
STL11:21 p.m.Lambert-St Louis
10 Jun
STL8:49 a.m.Lambert-St Louis
15h 12m
2 stops
YYC11:01 p.m.Calgary
C$ 577
Delta
3 Jun
YYC6:45 a.m.Calgary
13h 24m
2 stops
STL9:09 p.m.Lambert-St Louis
10 Jun
STL8:49 a.m.Lambert-St Louis
15h 12m
2 stops
YYC11:01 p.m.Calgary
C$ 600

American Airlines flights from Alberta to St. Louis

Our best American Airlines deals on Alberta to St. Louis flight tickets
American Airlines
15 Jul
YYC1:53 p.m.Calgary
9h 23m
1 stop
STL12:16 a.m.Lambert-St Louis
22 Jul
STL1:25 p.m.Lambert-St Louis
11h 24m
1 stop
YYC11:49 p.m.Calgary
C$ 547
American Airlines
19 May
YYC12:45 p.m.Calgary
9h 14m
1 stop
STL10:59 p.m.Lambert-St Louis
25 May
STL2:36 p.m.Lambert-St Louis
10h 07m
1 stop
YYC11:43 p.m.Calgary
C$ 597
American Airlines
11 Jun
YYC6:45 a.m.Calgary
11h 51m
1 stop
STL7:36 p.m.Lambert-St Louis
14 Jun
STL5:29 a.m.Lambert-St Louis
17h 14m
1 stop
YYC9:43 p.m.Calgary
C$ 614

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 8 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

Sun 31/5

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

1 stop24h 55m

Lambert-St Louis

Sun 7/6

6:33 p.m.-10:00 p.m.

2 stops28h 27m

C$ 502
Quickest round-trip

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 23/10

7:15 a.m.-5:56 p.m.

1 stop9h 41m

Lambert-St Louis

Sun 25/10

6:30 a.m.-12:47 p.m.

1 stop7h 17m

C$ 545

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 15/7

1:53 p.m.-12:16 a.m.

1 stop9h 23m

Lambert-St Louis

Wed 22/7

1:25 p.m.-11:49 p.m.

1 stop11h 24m

C$ 547

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 31/5

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

1 stop24h 55m

Lambert-St Louis

Sun 7/6

6:33 p.m.-11:00 a.m.

1 stop17h 27m

C$ 558

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 3/6

6:45 a.m.-11:21 p.m.

1 stop15h 36m

Lambert-St Louis

Wed 10/6

2:28 p.m.-11:01 p.m.

1 stop9h 33m

C$ 577

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 19/5

12:45 p.m.-10:59 p.m.

1 stop9h 14m

Lambert-St Louis

Mon 25/5

2:36 p.m.-11:43 p.m.

1 stop10h 07m

C$ 597

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 18/8

3:15 p.m.-11:50 p.m.

1 stop7h 35m

Lambert-St Louis

Wed 19/8

5:00 a.m.-3:52 p.m.

1 stop11h 52m

C$ 705

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 18/8

3:15 p.m.-11:50 p.m.

1 stop7h 35m

Lambert-St Louis

Wed 19/8

9:00 a.m.-10:09 p.m.

1 stop14h 09m

C$ 706

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 18/8

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

1 stop8h 12m

Lambert-St Louis

Wed 19/8

8:55 a.m.-8:58 p.m.

1 stop13h 03m

C$ 717

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 4/6

6:00 a.m.-8:09 p.m.

1 stop13h 09m

Lambert-St Louis

Mon 8/6

2:15 p.m.-8:54 p.m.

1 stop7h 39m

C$ 724

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$ 258. 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$ 312.

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$ 257Free CancellationRating
7.1
11,003 reviews
Search Air Canada flights
DeltaPriceFrom C$ 312Free CancellationRating
7.9
8,456 reviews
Search Delta flights
United AirlinesPriceFrom C$ 537Free CancellationRating
7.4
9,693 reviews
Search United Airlines flights
WestJetPriceFrom C$ 587Free CancellationRating
7.2
3,332 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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