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Cheap flights from Alberta to St. Louis from C$ 204

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 14/4. 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
5:35 a.m. - 3:29 p.m.
YYC
-
STL
8h 54m
1 stop
Air Canada Logo
4:05 p.m. - 12:23 a.m.
STL
-
YYC
9h 18m
1 stop
C$ 551Air Canada
Sat, 28 Mar - Sat, 4 Apr
American Airlines Logo
1:40 p.m. - 11:56 p.m.
YYC
-
STL
9h 16m
1 stop
American Airlines Logo
6:00 a.m. - 11:38 p.m.
STL
-
YYC
18h 38m
1 stop
C$ 613American Airlines
Sat, 16 May - Fri, 22 May
American Airlines Logo
1:40 p.m. - 11:56 p.m.
YYC
-
STL
9h 16m
1 stop
American Airlines Logo
6:00 a.m. - 11:38 p.m.
STL
-
YYC
18h 38m
1 stop
C$ 622American Airlines
Sat, 16 May - Fri, 22 May
Air Canada Logo
6:15 a.m. - 8:26 p.m.
YYC
-
STL
13h 11m
1 stop
Air Canada Logo
8:17 a.m. - 8:44 p.m.
STL
-
YYC
13h 27m
2 stops
C$ 629Air Canada
Thu, 26 Feb - Sat, 28 Feb
Air Canada Logo
11:10 a.m. - 8:04 p.m.
YEG
-
STL
7h 54m
1 stop
Air Canada Logo
1:00 p.m. - 9:18 p.m.
STL
-
YEG
9h 18m
1 stop
C$ 641Air Canada
Sat, 2 May - Tue, 12 May
Delta Logo
9:40 a.m. - 11:34 p.m.
YEG
-
STL
12h 54m
2 stops
Delta Logo
8:53 a.m. - 4:55 p.m.
STL
-
YEG
9h 02m
1 stop
C$ 673Delta
Sat, 2 May - Tue, 12 May
Air Canada Logo
6:15 a.m. - 8:26 p.m.
YYC
-
STL
13h 11m
1 stop
Air Canada Logo
6:25 a.m. - 8:44 p.m.
STL
-
YYC
15h 19m
2 stops
C$ 679Air Canada
Thu, 26 Feb - Sat, 28 Feb
United Airlines Logo
6:15 a.m. - 8:26 p.m.
YYC
-
STL
13h 11m
1 stop
United Airlines Logo
4:30 p.m. - 9:53 p.m.
STL
-
YYC
6h 23m
1 stop
C$ 682United Airlines
Thu, 26 Feb - Sat, 28 Feb
Delta Logo
9:40 a.m. - 8:42 p.m.
YEG
-
STL
10h 02m
2 stops
Delta Logo
1:50 p.m. - 10:55 p.m.
STL
-
YEG
10h 05m
2 stops
C$ 719Delta
Sat, 2 May - Tue, 12 May
WestJet Logo
6:25 a.m. - 4:49 p.m.
YEG
-
STL
9h 24m
2 stops
WestJet Logo
6:20 a.m. - 5:10 p.m.
STL
-
YEG
11h 50m
2 stops
C$ 726WestJet
Sat, 16 May - Fri, 22 May

Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
2 May
YEG9:40 a.m.Edmonton
12h 54m
2 stops
STL11:34 p.m.Lambert-St Louis
12 May
STL8:53 a.m.Lambert-St Louis
9h 02m
1 stop
YEG4:55 p.m.Edmonton
C$ 673
Delta
16 May
YYC7:00 a.m.Calgary
8h 49m
2 stops
STL4:49 p.m.Lambert-St Louis
22 May
STL8:53 a.m.Lambert-St Louis
11h 47m
2 stops
YYC7:40 p.m.Calgary
C$ 709
Delta
2 May
YEG9:40 a.m.Edmonton
10h 02m
2 stops
STL8:42 p.m.Lambert-St Louis
12 May
STL1:50 p.m.Lambert-St Louis
10h 05m
2 stops
YEG10:55 p.m.Edmonton
C$ 719

Air Canada flights from Alberta to St. Louis

Our best Air Canada deals on Alberta to St. Louis flight tickets
Air Canada
28 Mar
YYC5:35 a.m.Calgary
8h 54m
1 stop
STL3:29 p.m.Lambert-St Louis
4 Apr
STL4:05 p.m.Lambert-St Louis
9h 18m
1 stop
YYC12:23 a.m.Calgary
C$ 551
Air Canada
26 Feb
YYC6:15 a.m.Calgary
13h 11m
1 stop
STL8:26 p.m.Lambert-St Louis
28 Feb
STL8:17 a.m.Lambert-St Louis
13h 27m
2 stops
YYC8:44 p.m.Calgary
C$ 629
Air Canada
2 May
YEG11:10 a.m.Edmonton
7h 54m
1 stop
STL8:04 p.m.Lambert-St Louis
12 May
STL1:00 p.m.Lambert-St Louis
9h 18m
1 stop
YEG9:18 p.m.Edmonton
C$ 641

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 13 February 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

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 28/3

5:35 a.m.-3:29 p.m.

1 stop8h 54m

Lambert-St Louis

Sat 4/4

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

1 stop9h 18m

C$ 551

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 16/5

1:40 p.m.-11:56 p.m.

1 stop9h 16m

Lambert-St Louis

Fri 22/5

6:00 a.m.-11:38 p.m.

1 stop18h 38m

C$ 613

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 16/5

1:40 p.m.-11:56 p.m.

1 stop9h 16m

Lambert-St Louis

Fri 22/5

6:00 a.m.-11:38 p.m.

1 stop18h 38m

C$ 622

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 26/2

6:15 a.m.-8:26 p.m.

1 stop13h 11m

Lambert-St Louis

Sat 28/2

8:17 a.m.-8:44 p.m.

2 stops13h 27m

C$ 629

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 2/5

11:10 a.m.-8:04 p.m.

1 stop7h 54m

Lambert-St Louis

Tue 12/5

1:00 p.m.-9:18 p.m.

1 stop9h 18m

C$ 641

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 2/5

9:40 a.m.-11:34 p.m.

2 stops12h 54m

Lambert-St Louis

Tue 12/5

8:53 a.m.-4:55 p.m.

1 stop9h 02m

C$ 673

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 26/2

6:15 a.m.-8:26 p.m.

1 stop13h 11m

Lambert-St Louis

Sat 28/2

6:25 a.m.-8:44 p.m.

2 stops15h 19m

C$ 679

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 26/2

6:15 a.m.-8:26 p.m.

1 stop13h 11m

Lambert-St Louis

Sat 28/2

4:30 p.m.-9:53 p.m.

1 stop6h 23m

C$ 682

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 2/5

9:40 a.m.-8:42 p.m.

2 stops10h 02m

Lambert-St Louis

Tue 12/5

1:50 p.m.-10:55 p.m.

2 stops10h 05m

C$ 719

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 16/5

6:25 a.m.-4:49 p.m.

2 stops9h 24m

Lambert-St Louis

Fri 22/5

6:20 a.m.-5:10 p.m.

2 stops11h 50m

C$ 726

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 July is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 566. If you don’t want to visit St. Louis in July, then you should wait until April to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 584.

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 36m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 9h 36m
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$ 356Free CancellationRating
7.1
10,717 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 438Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights
WestJetPriceFrom C$ 561Free CancellationRating
7.2
3,260 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

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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