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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 1/8. 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
7:45 a.m. - 5:37 p.m.
YYC
-
STL
8h 52m
1 stop
Delta Logo
2:27 p.m. - 11:01 p.m.
STL
-
YYC
9h 34m
1 stop
C$ 498Delta
Fri, 18 Sep - Mon, 21 Sep
Delta Logo
7:45 a.m. - 5:37 p.m.
YYC
-
STL
8h 52m
1 stop
Delta Logo
2:27 p.m. - 11:01 p.m.
STL
-
YYC
9h 34m
1 stop
C$ 500Delta
Fri, 18 Sep - Mon, 21 Sep
WestJet Logo
7:00 a.m. - 3:58 p.m.
YYC
-
STL
7h 58m
1 stop
WestJet Logo
9:00 a.m. - 5:10 p.m.
STL
-
YYC
9h 10m
1 stop
C$ 515WestJet
Thu, 15 Oct - Sun, 18 Oct
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$ 532American Airlines
Thu, 13 Aug - Mon, 17 Aug
WestJet Logo
7:00 a.m. - 10:23 a.m.
YYC
-
STL
26h 23m
2 stops
WestJet Logo
8:48 a.m. - 7:40 p.m.
STL
-
YYC
11h 52m
2 stops
C$ 539WestJet
Sun, 2 Aug - Sun, 9 Aug
Air Canada Logo
7:45 p.m. - 2:02 p.m.
YYC
-
STL
17h 17m
1 stop
Air Canada Logo
12:10 p.m. - 9:32 p.m.
STL
-
YYC
10h 22m
1 stop
C$ 542Air Canada
Thu, 13 Aug - Wed, 19 Aug
WestJet Logo
12:20 a.m. - 4:17 p.m.
YYC
-
STL
14h 57m
1 stop
WestJet Logo
10:44 a.m. - 5:10 p.m.
STL
-
YYC
7h 26m
1 stop
C$ 543WestJet
Wed, 5 Aug - Sun, 9 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$ 546Multiple Airlines
Wed, 12 Aug - Mon, 17 Aug
Air Canada Logo
6:00 a.m. - 2:02 p.m.
YEG
-
STL
7h 02m
1 stop
Air Canada Logo
8:55 a.m. - 5:18 p.m.
STL
-
YEG
9h 23m
1 stop
C$ 790Air Canada
Mon, 31 Aug - Wed, 2 Sep
Multiple Airlines Logo
6:10 a.m. - 7:23 p.m.
YEG
-
STL
12h 13m
2 stops
Multiple Airlines Logo
7:03 p.m. - 8:45 p.m.
STL
-
YEG
26h 42m
1 stop
C$ 825Multiple Airlines
Tue, 4 Aug - Wed, 12 Aug

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WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
15 Oct
YYC7:00 a.m.Calgary
7h 58m
1 stop
STL3:58 p.m.Lambert-St Louis
18 Oct
STL9:00 a.m.Lambert-St Louis
9h 10m
1 stop
YYC5:10 p.m.Calgary
C$ 515
WestJet
1 Aug
YYC7:00 a.m.Calgary
26h 28m
2 stops
STL10:28 a.m.Lambert-St Louis
22 Aug
STL6:20 a.m.Lambert-St Louis
14h 20m
2 stops
YYC7:40 p.m.Calgary
C$ 539
WestJet
2 Aug
YYC10:15 a.m.Calgary
23h 08m
1 stop
STL10:23 a.m.Lambert-St Louis
9 Aug
STL6:00 a.m.Lambert-St Louis
12h 10m
1 stop
YYC5:10 p.m.Calgary
C$ 545

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$ 776
United Airlines
18 Jul
YEG6:00 a.m.Edmonton
16h 47m
1 stop
STL11:47 p.m.Lambert-St Louis
25 Jul
STL4:45 p.m.Lambert-St Louis
6h 19m
1 stop
YEG10:04 p.m.Edmonton
C$ 781
United Airlines
8 Jul
YEG3:31 p.m.Edmonton
16h 08m
1 stop
STL8:39 a.m.Lambert-St Louis
15 Jul
STL5:10 a.m.Lambert-St Louis
9h 58m
1 stop
YEG2:08 p.m.Edmonton
C$ 783

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 22 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 18/9

7:45 a.m.-5:37 p.m.

1 stop8h 52m

Lambert-St Louis

Mon 21/9

2:27 p.m.-11:01 p.m.

1 stop9h 34m

C$ 498

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 18/9

7:45 a.m.-5:37 p.m.

1 stop8h 52m

Lambert-St Louis

Mon 21/9

2:27 p.m.-11:01 p.m.

1 stop9h 34m

C$ 500

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 15/10

7:00 a.m.-3:58 p.m.

1 stop7h 58m

Lambert-St Louis

Sun 18/10

9:00 a.m.-5:10 p.m.

1 stop9h 10m

C$ 515

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$ 532

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 2/8

7:00 a.m.-10:23 a.m.

2 stops26h 23m

Lambert-St Louis

Sun 9/8

8:48 a.m.-7:40 p.m.

2 stops11h 52m

C$ 539

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 13/8

7:45 p.m.-2:02 p.m.

1 stop17h 17m

Lambert-St Louis

Wed 19/8

12:10 p.m.-9:32 p.m.

1 stop10h 22m

C$ 542

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 5/8

12:20 a.m.-4:17 p.m.

1 stop14h 57m

Lambert-St Louis

Sun 9/8

10:44 a.m.-5:10 p.m.

1 stop7h 26m

C$ 543

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$ 546
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 31/8

6:00 a.m.-2:02 p.m.

1 stop7h 02m

Lambert-St Louis

Wed 2/9

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

1 stop9h 23m

C$ 790

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 4/8

6:10 a.m.-7:23 p.m.

2 stops12h 13m

Lambert-St Louis

Wed 12/8

7:03 p.m.-8:45 p.m.

1 stop26h 42m

C$ 825

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$ 267. 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$ 324.

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

9h 37m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 9h 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$ 267Free CancellationRating
7.1
11,238 reviews
Search Air Canada flights
DeltaPriceFrom C$ 324Free CancellationRating
7.8
8,422 reviews
Search Delta flights
WestJetPriceFrom C$ 682Free CancellationRating
7.2
3,377 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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