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Cheap flights from Alberta to St. Louis from C$ 238

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 29/4. 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

Enter your travel dates to find the best prices.
Air Canada Logo
5:45 a.m. - 3:25 p.m.
YYC
-
STL
8h 40m
1 stop
Air Canada Logo
1:05 p.m. - 9:32 p.m.
STL
-
YYC
9h 27m
1 stop
C$ 525Air Canada
Wed, 29 Apr - Sat, 2 May
American Airlines Logo
1:40 p.m. - 8:24 a.m.
YYC
-
STL
17h 44m
1 stop
American Airlines Logo
5:21 p.m. - 12:59 p.m.
STL
-
YYC
20h 38m
1 stop
C$ 547American Airlines
Wed, 29 Apr - Wed, 6 May
American Airlines Logo
6:45 a.m. - 11:46 p.m.
YYC
-
STL
16h 01m
2 stops
American Airlines Logo
8:03 p.m. - 12:59 p.m.
STL
-
YYC
17h 56m
1 stop
C$ 561American Airlines
Wed, 29 Apr - Wed, 6 May
American Airlines Logo
12:45 p.m. - 8:54 a.m.
YYC
-
STL
19h 09m
1 stop
American Airlines Logo
8:03 p.m. - 12:59 p.m.
STL
-
YYC
17h 56m
1 stop
C$ 566American Airlines
Thu, 16 Apr - Mon, 20 Apr
Delta Logo
12:25 p.m. - 11:13 p.m.
YYC
-
STL
9h 48m
2 stops
Delta Logo
12:23 p.m. - 7:40 p.m.
STL
-
YYC
8h 17m
2 stops
C$ 591Delta
Wed, 29 Apr - Sat, 2 May
Delta Logo
12:30 a.m. - 11:56 a.m.
YYC
-
STL
10h 26m
1 stop
Delta Logo
2:20 p.m. - 11:00 p.m.
STL
-
YYC
9h 40m
1 stop
C$ 611Delta
Mon, 20 Apr - Wed, 22 Apr
United Airlines Logo
6:00 a.m. - 1:08 p.m.
YEG
-
STL
6h 08m
1 stop
United Airlines Logo
8:54 a.m. - 2:08 p.m.
STL
-
YEG
6h 14m
1 stop
C$ 621United Airlines
Sat, 11 Apr - Sat, 18 Apr
Air Canada Logo
5:45 a.m. - 3:25 p.m.
YYC
-
STL
8h 40m
1 stop
Air Canada Logo
4:05 p.m. - 12:23 a.m.
STL
-
YYC
9h 18m
1 stop
C$ 622Air Canada
Wed, 1 Apr - Fri, 3 Apr
United Airlines Logo
6:00 a.m. - 8:54 p.m.
YYC
-
STL
13h 54m
1 stop
United Airlines Logo
6:30 a.m. - 11:32 a.m.
STL
-
YYC
6h 02m
1 stop
C$ 624United Airlines
Tue, 21 Apr - Wed, 22 Apr
Alaska Airlines Logo
11:46 a.m. - 4:37 p.m.
YEG
-
STL
27h 51m
2 stops
Alaska Airlines Logo
7:41 p.m. - 10:56 a.m.
STL
-
YEG
16h 15m
1 stop
C$ 747Alaska Airlines
Thu, 4 Jun - Fri, 5 Jun

American Airlines flights from Alberta to St. Louis

Our best American Airlines deals on Alberta to St. Louis flight tickets
American Airlines
29 Apr
YYC1:40 p.m.Calgary
17h 44m
1 stop
STL8:24 a.m.Lambert-St Louis
6 May
STL5:21 p.m.Lambert-St Louis
20h 38m
1 stop
YYC12:59 p.m.Calgary
C$ 547
American Airlines
29 Apr
YYC6:45 a.m.Calgary
16h 01m
2 stops
STL11:46 p.m.Lambert-St Louis
6 May
STL8:03 p.m.Lambert-St Louis
17h 56m
1 stop
YYC12:59 p.m.Calgary
C$ 561
American Airlines
16 Apr
YYC12:45 p.m.Calgary
19h 09m
1 stop
STL8:54 a.m.Lambert-St Louis
20 Apr
STL8:03 p.m.Lambert-St Louis
17h 56m
1 stop
YYC12:59 p.m.Calgary
C$ 566

WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
9 Apr
YEG8:35 p.m.Edmonton
11h 30m
2 stops
STL9:05 a.m.Lambert-St Louis
13 Apr
STL6:19 a.m.Lambert-St Louis
10h 36m
1 stop
YEG3:55 p.m.Edmonton
C$ 799
WestJet
14 Apr
YEG8:35 p.m.Edmonton
12h 59m
2 stops
STL10:34 a.m.Lambert-St Louis
21 Apr
STL6:20 a.m.Lambert-St Louis
8h 48m
2 stops
YEG2:08 p.m.Edmonton
C$ 806
WestJet
9 Apr
YEG8:35 p.m.Edmonton
11h 30m
2 stops
STL9:05 a.m.Lambert-St Louis
13 Apr
STL6:19 a.m.Lambert-St Louis
10h 36m
1 stop
YEG3:55 p.m.Edmonton
C$ 807

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 19 March 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 29/4

5:45 a.m.-3:25 p.m.

1 stop8h 40m

Lambert-St Louis

Sat 2/5

1:05 p.m.-9:32 p.m.

1 stop9h 27m

C$ 525

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 29/4

1:40 p.m.-8:24 a.m.

1 stop17h 44m

Lambert-St Louis

Wed 6/5

5:21 p.m.-12:59 p.m.

1 stop20h 38m

C$ 547

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 29/4

6:45 a.m.-11:46 p.m.

2 stops16h 01m

Lambert-St Louis

Wed 6/5

8:03 p.m.-12:59 p.m.

1 stop17h 56m

C$ 561

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 16/4

12:45 p.m.-8:54 a.m.

1 stop19h 09m

Lambert-St Louis

Mon 20/4

8:03 p.m.-12:59 p.m.

1 stop17h 56m

C$ 566

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 29/4

12:25 p.m.-11:13 p.m.

2 stops9h 48m

Lambert-St Louis

Sat 2/5

12:23 p.m.-7:40 p.m.

2 stops8h 17m

C$ 591

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 20/4

12:30 a.m.-11:56 a.m.

1 stop10h 26m

Lambert-St Louis

Wed 22/4

2:20 p.m.-11:00 p.m.

1 stop9h 40m

C$ 611
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 11/4

6:00 a.m.-1:08 p.m.

1 stop6h 08m

Lambert-St Louis

Sat 18/4

8:54 a.m.-2:08 p.m.

1 stop6h 14m

C$ 621

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 1/4

5:45 a.m.-3:25 p.m.

1 stop8h 40m

Lambert-St Louis

Fri 3/4

4:05 p.m.-12:23 a.m.

1 stop9h 18m

C$ 622

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 21/4

6:00 a.m.-8:54 p.m.

1 stop13h 54m

Lambert-St Louis

Wed 22/4

6:30 a.m.-11:32 a.m.

1 stop6h 02m

C$ 624

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 4/6

11:46 a.m.-4:37 p.m.

2 stops27h 51m

Lambert-St Louis

Fri 5/6

7:41 p.m.-10:56 a.m.

1 stop16h 15m

C$ 747

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 October is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 528. If you don’t want to visit St. Louis in October, then you should wait until July to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 570.

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 04m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 6h 04m
There are no direct flights from Alberta to St. Louis. There are no popular flight routes from Alberta to St. Louis.
Search flight deals

  • 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$ 258Free CancellationRating
7.1
10,815 reviews
Search Air Canada flights
WestJetPriceFrom C$ 565Free CancellationRating
7.2
3,297 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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