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Cheap flights from Alberta to St. Louis from C$ 287

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 15/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
12:45 p.m. - 11:42 p.m.
YYC
-
STL
9h 57m
1 stop
American Airlines Logo
3:32 p.m. - 9:34 p.m.
STL
-
YYC
7h 02m
1 stop
C$ 526American Airlines
Thu, 13 Aug - Mon, 17 Aug
United Airlines Logo
6:00 a.m. - 8:46 p.m.
YYC
-
STL
13h 46m
1 stop
United Airlines Logo
5:30 p.m. - 10:36 p.m.
STL
-
YYC
6h 06m
1 stop
C$ 531United Airlines
Tue, 1 Sep - Tue, 8 Sep
WestJet Logo
7:00 a.m. - 4:17 p.m.
YYC
-
STL
8h 17m
1 stop
WestJet Logo
10:33 a.m. - 8:15 p.m.
STL
-
YYC
10h 42m
1 stop
C$ 535WestJet
Thu, 13 Aug - Mon, 17 Aug
Multiple Airlines Logo
12:20 a.m. - 5:37 p.m.
YYC
-
STL
16h 17m
1 stop
Multiple Airlines Logo
8:08 p.m. - 2:45 p.m.
STL
-
YYC
19h 37m
1 stop
C$ 539Multiple Airlines
Wed, 12 Aug - Mon, 17 Aug
WestJet Logo
7:00 a.m. - 10:28 a.m.
YYC
-
STL
26h 28m
2 stops
WestJet Logo
6:30 a.m. - 8:15 p.m.
STL
-
YYC
14h 45m
1 stop
C$ 541WestJet
Fri, 24 Jul - Sun, 26 Jul
WestJet Logo
11:05 a.m. - 11:26 p.m.
YYC
-
STL
11h 21m
2 stops
WestJet Logo
5:46 p.m. - 3:15 p.m.
STL
-
YYC
22h 29m
2 stops
C$ 552WestJet
Tue, 1 Sep - Tue, 8 Sep
WestJet Logo
8:00 p.m. - 9:54 a.m.
YYC
-
STL
12h 54m
2 stops
WestJet Logo
12:52 p.m. - 9:50 p.m.
STL
-
YYC
9h 58m
1 stop
C$ 553WestJet
Thu, 13 Aug - Mon, 17 Aug
Multiple Airlines Logo
12:20 a.m. - 9:40 a.m.
YYC
-
STL
8h 20m
1 stop
Multiple Airlines Logo
10:35 a.m. - 9:50 p.m.
STL
-
YYC
12h 15m
1 stop
C$ 562Multiple Airlines
Thu, 24 Sep - Mon, 5 Oct
Air Canada Logo
11:10 a.m. - 8:00 p.m.
YEG
-
STL
7h 50m
1 stop
Air Canada Logo
2:40 p.m. - 10:56 p.m.
STL
-
YEG
9h 16m
1 stop
C$ 756Air Canada
Thu, 24 Sep - Sat, 26 Sep
Air Canada Logo
1:00 a.m. - 12:13 p.m.
YEG
-
STL
10h 13m
2 stops
Air Canada Logo
9:00 a.m. - 10:04 p.m.
STL
-
YEG
14h 04m
1 stop
C$ 836Air Canada
Wed, 23 Sep - Sat, 26 Sep

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United Airlines flights from Alberta to St. Louis

Our best United Airlines deals on Alberta to St. Louis flight tickets
United Airlines
1 Sep
YYC6:00 a.m.Calgary
13h 46m
1 stop
STL8:46 p.m.Lambert-St Louis
8 Sep
STL5:30 p.m.Lambert-St Louis
6h 06m
1 stop
YYC10:36 p.m.Calgary
C$ 531
United Airlines
3 Nov
YEG6:00 a.m.Edmonton
13h 59m
1 stop
STL8:59 p.m.Lambert-St Louis
4 Nov
STL9:13 a.m.Lambert-St Louis
6h 02m
1 stop
YEG2:15 p.m.Edmonton
C$ 739
United Airlines
18 Jun
YYC12:28 p.m.Calgary
10h 01m
1 stop
STL11:29 p.m.Lambert-St Louis
26 Jun
STL5:10 a.m.Lambert-St Louis
9h 43m
1 stop
YYC1:53 p.m.Calgary
C$ 741

WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
13 Aug
YYC7:00 a.m.Calgary
8h 17m
1 stop
STL4:17 p.m.Lambert-St Louis
17 Aug
STL10:33 a.m.Lambert-St Louis
10h 42m
1 stop
YYC8:15 p.m.Calgary
C$ 535
WestJet
24 Jul
YYC7:00 a.m.Calgary
26h 28m
2 stops
STL10:28 a.m.Lambert-St Louis
26 Jul
STL6:30 a.m.Lambert-St Louis
14h 45m
1 stop
YYC8:15 p.m.Calgary
C$ 541
WestJet
1 Sep
YYC11:05 a.m.Calgary
11h 21m
2 stops
STL11:26 p.m.Lambert-St Louis
8 Sep
STL5:46 p.m.Lambert-St Louis
22h 29m
2 stops
YYC3:15 p.m.Calgary
C$ 552

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 June 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
Quickest round-trip

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 13/8

12:45 p.m.-11:42 p.m.

1 stop9h 57m

Lambert-St Louis

Mon 17/8

3:32 p.m.-9:34 p.m.

1 stop7h 02m

C$ 526

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 1/9

6:00 a.m.-8:46 p.m.

1 stop13h 46m

Lambert-St Louis

Tue 8/9

5:30 p.m.-10:36 p.m.

1 stop6h 06m

C$ 531

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 13/8

7:00 a.m.-4:17 p.m.

1 stop8h 17m

Lambert-St Louis

Mon 17/8

10:33 a.m.-8:15 p.m.

1 stop10h 42m

C$ 535

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 12/8

12:20 a.m.-5:37 p.m.

1 stop16h 17m

Lambert-St Louis

Mon 17/8

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

1 stop19h 37m

C$ 539

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 24/7

7:00 a.m.-10:28 a.m.

2 stops26h 28m

Lambert-St Louis

Sun 26/7

6:30 a.m.-8:15 p.m.

1 stop14h 45m

C$ 541

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 1/9

11:05 a.m.-11:26 p.m.

2 stops11h 21m

Lambert-St Louis

Tue 8/9

5:46 p.m.-3:15 p.m.

2 stops22h 29m

C$ 552

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 13/8

8:00 p.m.-9:54 a.m.

2 stops12h 54m

Lambert-St Louis

Mon 17/8

12:52 p.m.-9:50 p.m.

1 stop9h 58m

C$ 553

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 24/9

12:20 a.m.-9:40 a.m.

1 stop8h 20m

Lambert-St Louis

Mon 5/10

10:35 a.m.-9:50 p.m.

1 stop12h 15m

C$ 562

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 24/9

11:10 a.m.-8:00 p.m.

1 stop7h 50m

Lambert-St Louis

Sat 26/9

2:40 p.m.-10:56 p.m.

1 stop9h 16m

C$ 756

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 23/9

1:00 a.m.-12:13 p.m.

2 stops10h 13m

Lambert-St Louis

Sat 26/9

9:00 a.m.-10:04 p.m.

1 stop14h 04m

C$ 836

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$ 264. 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$ 320.

Can stopping save me money on Alberta to St. Louis flights?

You could potentially save up to 17% on your flight if you consider stops on a Alberta to St. Louis flight.

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

5h 59m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 5h 59m
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$ 264Free CancellationRating
7.1
11,200 reviews
Search Air Canada flights
DeltaPriceFrom C$ 320Free CancellationRating
7.8
8,407 reviews
Search Delta flights
WestJetPriceFrom C$ 674Free CancellationRating
7.2
3,367 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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