Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Alberta to St. Louis from C$ 294

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 1/7. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Alberta to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:41 p.m. - 12:16 a.m.
YYC
-
STL
9h 35m
1 stop
American Airlines Logo
7:03 a.m. - 11:42 p.m.
STL
-
YYC
17h 39m
1 stop
C$ 522American Airlines
Wed, 17 Jun - Wed, 24 Jun
American Airlines Logo
1:41 p.m. - 12:16 a.m.
YYC
-
STL
9h 35m
1 stop
American Airlines Logo
7:03 a.m. - 11:42 p.m.
STL
-
YYC
17h 39m
1 stop
C$ 542American Airlines
Fri, 12 Jun - Wed, 24 Jun
United Airlines Logo
8:30 a.m. - 3:38 p.m.
YYC
-
STL
6h 08m
1 stop
United Airlines Logo
1:36 p.m. - 6:30 p.m.
STL
-
YYC
5h 54m
1 stop
C$ 544United Airlines
Wed, 9 Sep - Sat, 12 Sep
American Airlines Logo
7:00 a.m. - 4:33 p.m.
YYC
-
STL
8h 33m
1 stop
American Airlines Logo
1:42 p.m. - 11:42 p.m.
STL
-
YYC
11h 00m
1 stop
C$ 550American Airlines
Tue, 9 Jun - Tue, 23 Jun
Multiple Airlines Logo
9:00 p.m. - 5:30 p.m.
YYC
-
STL
19h 30m
2 stops
Multiple Airlines Logo
8:08 p.m. - 2:45 p.m.
STL
-
YYC
19h 37m
1 stop
C$ 565Multiple Airlines
Wed, 17 Jun - Wed, 24 Jun
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$ 566United Airlines
Fri, 28 Aug - Mon, 31 Aug
Delta Logo
2:00 p.m. - 12:36 a.m.
YYC
-
STL
9h 36m
1 stop
Delta Logo
2:15 p.m. - 11:13 p.m.
STL
-
YYC
9h 58m
1 stop
C$ 583Delta
Thu, 15 Oct - Sun, 18 Oct
Delta Logo
2:00 p.m. - 12:36 a.m.
YYC
-
STL
9h 36m
1 stop
Delta Logo
2:15 p.m. - 11:13 p.m.
STL
-
YYC
9h 58m
1 stop
C$ 586Delta
Thu, 15 Oct - Sun, 18 Oct
Air Canada Logo
11:55 p.m. - 2:00 p.m.
YYC
-
STL
13h 05m
1 stop
Air Canada Logo
2:40 p.m. - 1:17 a.m.
STL
-
YYC
11h 37m
1 stop
C$ 589Air Canada
Mon, 7 Sep - Mon, 28 Sep
Air Canada Logo
1:00 a.m. - 2:00 p.m.
YEG
-
STL
12h 00m
1 stop
Air Canada Logo
8:55 a.m. - 5:01 p.m.
STL
-
YEG
9h 06m
1 stop
C$ 699Air Canada
Mon, 19 Oct - Wed, 21 Oct

United Airlines flights from Alberta to St. Louis

Our best United Airlines deals on Alberta to St. Louis flight tickets
United Airlines
9 Sep
YYC8:30 a.m.Calgary
6h 08m
1 stop
STL3:38 p.m.Lambert-St Louis
12 Sep
STL1:36 p.m.Lambert-St Louis
5h 54m
1 stop
YYC6:30 p.m.Calgary
C$ 544
United Airlines
28 Aug
YYC9:30 a.m.Calgary
10h 08m
1 stop
STL8:38 p.m.Lambert-St Louis
31 Aug
STL1:36 p.m.Lambert-St Louis
5h 54m
1 stop
YYC6:30 p.m.Calgary
C$ 566
United Airlines
20 Oct
YEG3:17 p.m.Edmonton
7h 28m
1 stop
STL11:45 p.m.Lambert-St Louis
21 Oct
STL5:10 a.m.Lambert-St Louis
9h 58m
1 stop
YEG2:08 p.m.Edmonton
C$ 631

Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
15 Oct
YYC2:00 p.m.Calgary
9h 36m
1 stop
STL12:36 a.m.Lambert-St Louis
18 Oct
STL2:15 p.m.Lambert-St Louis
9h 58m
1 stop
YYC11:13 p.m.Calgary
C$ 583
Delta
15 Oct
YYC2:00 p.m.Calgary
9h 36m
1 stop
STL12:36 a.m.Lambert-St Louis
18 Oct
STL2:15 p.m.Lambert-St Louis
9h 58m
1 stop
YYC11:13 p.m.Calgary
C$ 586
Delta
20 Jul
YYC7:45 a.m.Calgary
10h 15m
1 stop
STL7:00 p.m.Lambert-St Louis
27 Jul
STL11:18 a.m.Lambert-St Louis
10h 17m
1 stop
YYC8:35 p.m.Calgary
C$ 651

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 25 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 17/6

1:41 p.m.-12:16 a.m.

1 stop9h 35m

Lambert-St Louis

Wed 24/6

7:03 a.m.-11:42 p.m.

1 stop17h 39m

C$ 522

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 12/6

1:41 p.m.-12:16 a.m.

1 stop9h 35m

Lambert-St Louis

Wed 24/6

7:03 a.m.-11:42 p.m.

1 stop17h 39m

C$ 542
Quickest round-trip

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 9/9

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

1 stop6h 08m

Lambert-St Louis

Sat 12/9

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

1 stop5h 54m

C$ 544

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 9/6

7:00 a.m.-4:33 p.m.

1 stop8h 33m

Lambert-St Louis

Tue 23/6

1:42 p.m.-11:42 p.m.

1 stop11h 00m

C$ 550

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 17/6

9:00 p.m.-5:30 p.m.

2 stops19h 30m

Lambert-St Louis

Wed 24/6

8:08 p.m.-2:45 p.m.

1 stop19h 37m

C$ 565

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$ 566

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 15/10

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

1 stop9h 36m

Lambert-St Louis

Sun 18/10

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

1 stop9h 58m

C$ 583

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 15/10

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

1 stop9h 36m

Lambert-St Louis

Sun 18/10

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

1 stop9h 58m

C$ 586

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 7/9

11:55 p.m.-2:00 p.m.

1 stop13h 05m

Lambert-St Louis

Mon 28/9

2:40 p.m.-1:17 a.m.

1 stop11h 37m

C$ 589

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 19/10

1:00 a.m.-2:00 p.m.

1 stop12h 00m

Lambert-St Louis

Wed 21/10

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

1 stop9h 06m

C$ 699

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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$ 261. 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$ 316.

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 52m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 6h 52m
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$ 261Free CancellationRating
7.1
11,083 reviews
Search Air Canada flights
DeltaPriceFrom C$ 317Free CancellationRating
7.9
8,433 reviews
Search Delta flights
WestJetPriceFrom C$ 599Free CancellationRating
7.2
3,345 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 24/6
Wed 1/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States