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Cheap flights from Alberta to St. Louis from C$ 274

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 13/9. 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.
Delta Logo
12:33 p.m. - 12:44 a.m.
YYC
-
STL
11h 11m
1 stop
Delta Logo
9:45 a.m. - 8:54 p.m.
STL
-
YYC
12h 09m
1 stop
C$ 490Delta
Fri, 2 Oct - Tue, 6 Oct
Delta Logo
12:33 p.m. - 12:44 a.m.
YYC
-
STL
11h 11m
1 stop
Delta Logo
9:45 a.m. - 8:54 p.m.
STL
-
YYC
12h 09m
1 stop
C$ 492Delta
Fri, 2 Oct - Tue, 6 Oct
American Airlines Logo
6:45 a.m. - 11:42 p.m.
YYC
-
STL
15h 57m
1 stop
American Airlines Logo
6:00 a.m. - 11:42 p.m.
STL
-
YYC
18h 42m
1 stop
C$ 517American Airlines
Thu, 3 Sep - Mon, 7 Sep
WestJet Logo
7:00 a.m. - 10:15 p.m.
YYC
-
STL
14h 15m
1 stop
WestJet Logo
6:30 a.m. - 8:15 p.m.
STL
-
YYC
14h 45m
1 stop
C$ 545WestJet
Fri, 17 Jul - Mon, 20 Jul
WestJet Logo
6:50 p.m. - 10:48 a.m.
YYC
-
STL
14h 58m
2 stops
WestJet Logo
6:30 a.m. - 5:30 p.m.
STL
-
YYC
12h 00m
2 stops
C$ 548WestJet
Sat, 10 Oct - Wed, 14 Oct
American Airlines Logo
7:00 a.m. - 11:09 p.m.
YEG
-
STL
15h 09m
2 stops
American Airlines Logo
6:02 a.m. - 3:59 p.m.
STL
-
YEG
10h 57m
2 stops
C$ 765American Airlines
Mon, 19 Oct - Thu, 22 Oct
Air Canada Logo
6:00 a.m. - 3:26 p.m.
YEG
-
STL
8h 26m
1 stop
Air Canada Logo
4:05 p.m. - 11:23 p.m.
STL
-
YEG
8h 18m
1 stop
C$ 768Air Canada
Mon, 23 Nov - Fri, 27 Nov
United Airlines Logo
6:00 a.m. - 4:34 p.m.
YEG
-
STL
9h 34m
1 stop
United Airlines Logo
8:00 a.m. - 3:32 p.m.
STL
-
YEG
8h 32m
1 stop
C$ 785United Airlines
Mon, 31 Aug - Wed, 2 Sep
United Airlines Logo
6:00 a.m. - 4:34 p.m.
YEG
-
STL
9h 34m
1 stop
United Airlines Logo
8:00 a.m. - 3:32 p.m.
STL
-
YEG
8h 32m
1 stop
C$ 786United Airlines
Mon, 31 Aug - Wed, 2 Sep
Air Canada Logo
6:00 a.m. - 6:42 p.m.
YEG
-
STL
11h 42m
2 stops
Air Canada Logo
8:55 a.m. - 5:18 p.m.
STL
-
YEG
9h 23m
1 stop
C$ 806Air Canada
Mon, 31 Aug - Wed, 2 Sep

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WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
13 Aug
YYC6:50 p.m.Calgary
14h 04m
2 stops
STL9:54 a.m.Lambert-St Louis
17 Aug
STL11:13 a.m.Lambert-St Louis
10h 12m
2 stops
YYC8:25 p.m.Calgary
C$ 524
WestJet
13 Aug
YYC8:00 p.m.Calgary
14h 46m
2 stops
STL11:46 a.m.Lambert-St Louis
17 Aug
STL3:39 p.m.Lambert-St Louis
20h 21m
1 stop
YYC11:00 a.m.Calgary
C$ 534
WestJet
12 Aug
YYC12:20 a.m.Calgary
22h 38m
1 stop
STL11:58 p.m.Lambert-St Louis
17 Aug
STL6:25 p.m.Lambert-St Louis
26h 50m
1 stop
YYC8:15 p.m.Calgary
C$ 544

United Airlines flights from Alberta to St. Louis

Our best United Airlines deals on Alberta to St. Louis flight tickets
United Airlines
31 Aug
YEG6:00 a.m.Edmonton
9h 34m
1 stop
STL4:34 p.m.Lambert-St Louis
2 Sep
STL8:00 a.m.Lambert-St Louis
8h 32m
1 stop
YEG3:32 p.m.Edmonton
C$ 785
United Airlines
31 Aug
YEG6:00 a.m.Edmonton
9h 34m
1 stop
STL4:34 p.m.Lambert-St Louis
2 Sep
STL8:00 a.m.Lambert-St Louis
8h 32m
1 stop
YEG3:32 p.m.Edmonton
C$ 786
United Airlines
23 Nov
YEG6:00 a.m.Edmonton
5h 37m
1 stop
STL12:37 p.m.Lambert-St Louis
27 Nov
STL4:40 p.m.Lambert-St Louis
6h 40m
1 stop
YEG10:20 p.m.Edmonton
C$ 803

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 29 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

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 2/10

12:33 p.m.-12:44 a.m.

1 stop11h 11m

Lambert-St Louis

Tue 6/10

9:45 a.m.-8:54 p.m.

1 stop12h 09m

C$ 490

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 2/10

12:33 p.m.-12:44 a.m.

1 stop11h 11m

Lambert-St Louis

Tue 6/10

9:45 a.m.-8:54 p.m.

1 stop12h 09m

C$ 492

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 3/9

6:45 a.m.-11:42 p.m.

1 stop15h 57m

Lambert-St Louis

Mon 7/9

6:00 a.m.-11:42 p.m.

1 stop18h 42m

C$ 517

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/7

7:00 a.m.-10:15 p.m.

1 stop14h 15m

Lambert-St Louis

Mon 20/7

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

1 stop14h 45m

C$ 545

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 10/10

6:50 p.m.-10:48 a.m.

2 stops14h 58m

Lambert-St Louis

Wed 14/10

6:30 a.m.-5:30 p.m.

2 stops12h 00m

C$ 548

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 19/10

7:00 a.m.-11:09 p.m.

2 stops15h 09m

Lambert-St Louis

Thu 22/10

6:02 a.m.-3:59 p.m.

2 stops10h 57m

C$ 765
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 23/11

6:00 a.m.-3:26 p.m.

1 stop8h 26m

Lambert-St Louis

Fri 27/11

4:05 p.m.-11:23 p.m.

1 stop8h 18m

C$ 768

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 31/8

6:00 a.m.-4:34 p.m.

1 stop9h 34m

Lambert-St Louis

Wed 2/9

8:00 a.m.-3:32 p.m.

1 stop8h 32m

C$ 785

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 31/8

6:00 a.m.-4:34 p.m.

1 stop9h 34m

Lambert-St Louis

Wed 2/9

8:00 a.m.-3:32 p.m.

1 stop8h 32m

C$ 786

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 31/8

6:00 a.m.-6:42 p.m.

2 stops11h 42m

Lambert-St Louis

Wed 2/9

8:55 a.m.-5:18 p.m.

1 stop9h 23m

C$ 806

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$ 268. If you don’t want to visit St. Louis in August, then you should wait until May to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 355.

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 37m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 5h 37m
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$ 268Free CancellationRating
7.1
11,269 reviews
Search Air Canada flights
DeltaPriceFrom C$ 354Free CancellationRating
7.8
8,454 reviews
Search Delta flights
United AirlinesPriceFrom C$ 404Free CancellationRating
7.4
9,895 reviews
Search United Airlines flights
WestJetPriceFrom C$ 580Free CancellationRating
7.2
3,385 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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