Cheap flights from Alberta to St. Louis from C$ 180

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 12/10. 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

American Airlines Logo
1:29 p.m. - 8:09 a.m.YYC-STL
17h 40m1 stop
American Airlines Logo
4:34 p.m. - 12:34 p.m.STL-YYC
21h 00m1 stop
C$ 370American Airlines
Find Deal
Fri, 10 Oct - Mon, 13 Oct
American Airlines Logo
1:29 p.m. - 8:09 a.m.YYC-STL
17h 40m1 stop
American Airlines Logo
8:05 p.m. - 12:34 p.m.STL-YYC
17h 29m1 stop
C$ 380American Airlines
Find Deal
Fri, 17 Oct - Mon, 20 Oct
United Airlines Logo
3:17 p.m. - 10:49 a.m.YEG-STL
18h 32m2 stops
United Airlines Logo
5:00 a.m. - 4:25 p.m.STL-YEG
12h 25m1 stop
C$ 415United Airlines
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Multiple Airlines Logo
6:30 a.m. - 11:29 a.m.YYC-STL
27h 59m2 stops
Multiple Airlines Logo
4:00 p.m. - 11:19 a.m.STL-YYC
20h 19m1 stop
C$ 424Multiple Airlines
Find Deal
Thu, 2 Oct - Mon, 6 Oct
Multiple Airlines Logo
8:55 a.m. - 9:06 a.m.YYC-STL
23h 11m1 stop
Multiple Airlines Logo
4:00 p.m. - 11:19 a.m.STL-YYC
20h 19m1 stop
C$ 425Multiple Airlines
Find Deal
Sun, 5 Oct - Mon, 6 Oct
United Airlines Logo
12:38 p.m. - 2:27 p.m.YYC-STL
24h 49m1 stop
United Airlines Logo
3:23 p.m. - 1:53 p.m.STL-YYC
23h 30m2 stops
C$ 448United Airlines
Find Deal
Fri, 17 Oct - Mon, 20 Oct
Alaska Airlines Logo
5:24 p.m. - 12:03 a.m.YEG-STL
29h 39m1 stop
Alaska Airlines Logo
6:33 a.m. - 9:03 p.m.STL-YEG
15h 30m1 stop
C$ 557Alaska Airlines
Find Deal
Mon, 6 Oct - Wed, 8 Oct
Air Canada Logo
6:00 a.m. - 3:18 p.m.YYC-STL
8h 18m1 stop
Air Canada Logo
1:30 p.m. - 11:16 p.m.STL-YYC
10h 46m1 stop
C$ 564Air Canada
Find Deal
Sat, 4 Oct - Sun, 5 Oct
Alaska Airlines Logo
5:17 p.m. - 2:39 p.m.YEG-STL
20h 22m1 stop
Alaska Airlines Logo
6:33 a.m. - 9:03 p.m.STL-YEG
15h 30m1 stop
C$ 627Alaska Airlines
Find Deal
Tue, 30 Sep - Wed, 8 Oct
Air Canada Logo
12:45 a.m. - 3:18 p.m.YEG-STL
13h 33m1 stop
Air Canada Logo
4:05 p.m. - 10:56 p.m.STL-YEG
7h 51m1 stop
C$ 762Air Canada
Find Deal
Tue, 14 Oct - Wed, 22 Oct

American Airlines flights from Alberta to St. Louis

Our best American Airlines deals on Alberta to St. Louis flight tickets
American Airlines
10 Oct
YYC1:29 p.m.Calgary
17h 40m
1 stop
STL8:09 a.m.Lambert-St Louis
13 Oct
STL4:34 p.m.Lambert-St Louis
21h 00m
1 stop
YYC12:34 p.m.Calgary
American Airlines
17 Oct
YYC1:29 p.m.Calgary
17h 40m
1 stop
STL8:09 a.m.Lambert-St Louis
20 Oct
STL8:05 p.m.Lambert-St Louis
17h 29m
1 stop
YYC12:34 p.m.Calgary
American Airlines
1 Nov
YYC6:45 a.m.Calgary
14h 23m
2 stops
STL10:08 p.m.Lambert-St Louis
8 Nov
STL8:39 a.m.Lambert-St Louis
14h 08m
2 stops
YYC9:47 p.m.Calgary

Alaska Airlines flights from Alberta to St. Louis

Our best Alaska Airlines deals on Alberta to St. Louis flight tickets
Alaska Airlines
6 Oct
YEG5:24 p.m.Edmonton
29h 39m
1 stop
STL12:03 a.m.Lambert-St Louis
8 Oct
STL6:33 a.m.Lambert-St Louis
15h 30m
1 stop
YEG9:03 p.m.Edmonton
Alaska Airlines
30 Sep
YEG5:17 p.m.Edmonton
20h 22m
1 stop
STL2:39 p.m.Lambert-St Louis
8 Oct
STL6:33 a.m.Lambert-St Louis
15h 30m
1 stop
YEG9:03 p.m.Edmonton
Alaska Airlines
1 Oct
YEG5:17 p.m.Edmonton
23h 17m
1 stop
STL5:34 p.m.Lambert-St Louis
8 Oct
STL6:33 a.m.Lambert-St Louis
15h 30m
1 stop
YEG9:03 p.m.Edmonton

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 17 September 2025.
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

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/10

1:29 p.m.-8:09 a.m.

1 stop17h 40m

Lambert-St Louis

Mon 13/10

4:34 p.m.-12:34 p.m.

1 stop21h 00m

C$ 370

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/10

1:29 p.m.-8:09 a.m.

1 stop17h 40m

Lambert-St Louis

Mon 20/10

8:05 p.m.-12:34 p.m.

1 stop17h 29m

C$ 380

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 15/10

3:17 p.m.-10:49 a.m.

2 stops18h 32m

Lambert-St Louis

Wed 22/10

5:00 a.m.-4:25 p.m.

1 stop12h 25m

C$ 415

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 2/10

6:30 a.m.-11:29 a.m.

2 stops27h 59m

Lambert-St Louis

Mon 6/10

4:00 p.m.-11:19 a.m.

1 stop20h 19m

C$ 424

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 5/10

8:55 a.m.-9:06 a.m.

1 stop23h 11m

Lambert-St Louis

Mon 6/10

4:00 p.m.-11:19 a.m.

1 stop20h 19m

C$ 425

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/10

12:38 p.m.-2:27 p.m.

1 stop24h 49m

Lambert-St Louis

Mon 20/10

3:23 p.m.-1:53 p.m.

2 stops23h 30m

C$ 448

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 6/10

5:24 p.m.-12:03 a.m.

1 stop29h 39m

Lambert-St Louis

Wed 8/10

6:33 a.m.-9:03 p.m.

1 stop15h 30m

C$ 557

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 4/10

6:00 a.m.-3:18 p.m.

1 stop8h 18m

Lambert-St Louis

Sun 5/10

1:30 p.m.-11:16 p.m.

1 stop10h 46m

C$ 564

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 30/9

5:17 p.m.-2:39 p.m.

1 stop20h 22m

Lambert-St Louis

Wed 8/10

6:33 a.m.-9:03 p.m.

1 stop15h 30m

C$ 627

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 14/10

12:45 a.m.-3:18 p.m.

1 stop13h 33m

Lambert-St Louis

Wed 22/10

4:05 p.m.-10:56 p.m.

1 stop7h 51m

C$ 762

Flights are sorted by cheapest round-trip flights 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 January is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 407. If you don’t want to visit St. Louis in January, then you should wait until February to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 568.

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Sunday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 432. The most expensive day to fly to St. Louis is Friday, with ticket prices averaging around C$ 767.

What is the cheapest time of day to depart on your flight to St. Louis?

The cheapest time of day to fly to St. Louis is in the afternoon when flights can be purchased for as low as C$ 481. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 706 on average. Flights to St. Louis from Alberta in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Direct flights

None
There are no direct flights from Alberta to St. Louis. There are no popular flight routes 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$ 335Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 442Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
WestJetPriceFrom C$ 567Free CancellationRating
7.2
3,095 reviews
Search WestJet flights

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Chesterfield
Collinsville
Litchfield

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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1 adult
Fri 17/10
Fri 24/10

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