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Cheap flights from St. Louis to Alberta from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Alberta departing on 3/18. 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
0 bags

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Find the cheapest flights from St. Louis to Alberta

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:09 pm - 11:43 am
STL
-
YYC
22h 34m
1 stop
Multiple Airlines Logo
1:25 pm - 1:51 pm
YYC
-
STL
23h 26m
1 stop
$371Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
8:13 pm - 11:15 am
STL
-
YYC
16h 02m
1 stop
Multiple Airlines Logo
7:30 am - 6:50 am
YYC
-
STL
22h 20m
2 stops
$374Multiple Airlines
Wed, May 13 - Tue, May 19
Multiple Airlines Logo
8:13 pm - 11:15 am
STL
-
YYC
16h 02m
1 stop
Multiple Airlines Logo
10:00 am - 6:50 am
YYC
-
STL
19h 50m
1 stop
$377Multiple Airlines
Wed, May 13 - Tue, May 19
Multiple Airlines Logo
8:12 pm - 12:14 pm
STL
-
YYC
41h 02m
2 stops
Multiple Airlines Logo
7:35 pm - 12:15 pm
YYC
-
STL
15h 40m
1 stop
$409Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
American Airlines Logo
7:00 am - 9:56 pm
STL
-
YYC
15h 56m
1 stop
American Airlines Logo
1:40 pm - 11:48 pm
YYC
-
STL
9h 08m
1 stop
$470American Airlines
Tue, Feb 24 - Thu, Feb 26
Delta Logo
12:28 pm - 8:45 pm
STL
-
YYC
9h 17m
1 stop
Delta Logo
12:30 pm - 12:21 am
YYC
-
STL
10h 51m
1 stop
$475Delta
Tue, Apr 7 - Sun, Apr 12
United Airlines Logo
4:30 pm - 9:53 pm
STL
-
YYC
6h 23m
1 stop
United Airlines Logo
6:15 am - 11:21 pm
YYC
-
STL
16h 06m
1 stop
$520United Airlines
Mon, Mar 2 - Wed, Mar 4
WestJet Logo
6:30 am - 7:25 pm
STL
-
YEG
13h 55m
2 stops
WestJet Logo
9:25 am - 11:01 pm
YEG
-
STL
12h 36m
1 stop
$583WestJet
Sat, Jul 18 - Mon, Jul 27
WestJet Logo
6:30 am - 3:58 pm
STL
-
YEG
10h 28m
1 stop
WestJet Logo
9:25 am - 11:01 pm
YEG
-
STL
12h 36m
1 stop
$586WestJet
Sat, Jul 18 - Mon, Jul 27
Delta Logo
12:28 pm - 1:25 am
STL
-
YQU
13h 57m
2 stops
Delta Logo
5:35 am - 12:21 am
YQU
-
STL
17h 46m
2 stops
$1,131Delta
Sun, Mar 8 - Sun, Mar 15

WestJet flights from St. Louis to Alberta

Our best WestJet deals on St. Louis to Alberta flight tickets
WestJet
Feb 24
STL6:10 amLambert-St Louis
14h 02m
2 stops
YYC7:12 pmCalgary
Feb 26
YYC6:30 amCalgary
15h 53m
1 stop
STL11:23 pmLambert-St Louis
$527
WestJet
Jul 6
STL5:30 pmLambert-St Louis
18h 45m
1 stop
YYC11:15 amCalgary
Jul 10
YYC9:15 amCalgary
10h 16m
1 stop
STL8:31 pmLambert-St Louis
$531
WestJet
Jul 18
STL6:30 amLambert-St Louis
11h 23m
1 stop
YYC4:53 pmCalgary
Jul 27
YYC10:15 amCalgary
11h 46m
1 stop
STL11:01 pmLambert-St Louis
$536

American Airlines flights from St. Louis to Alberta

Our best American Airlines deals on St. Louis to Alberta flight tickets
American Airlines
Feb 24
STL7:00 amLambert-St Louis
15h 56m
1 stop
YYC9:56 pmCalgary
Feb 26
YYC1:40 pmCalgary
9h 08m
1 stop
STL11:48 pmLambert-St Louis
$470
American Airlines
Feb 20
STL6:00 amLambert-St Louis
10h 32m
2 stops
YYC3:32 pmCalgary
Feb 24
YYC1:40 pmCalgary
19h 23m
1 stop
STL10:03 amLambert-St Louis
$581
American Airlines
Mar 9
STL6:00 amLambert-St Louis
10h 36m
2 stops
YEG3:36 pmEdmonton
Mar 16
YEG7:00 amEdmonton
15h 48m
2 stops
STL11:48 pmLambert-St Louis
$650

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Alberta 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 832,500 searches. Data last updated January 24, 2026.
Use the filters below to find and compare flights from St. Louis to Alberta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 3/9

2:09 pm-11:43 am

1 stop22h 34m

Calgary

Mon 3/16

1:25 pm-1:51 pm

1 stop23h 26m

$371

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 5/13

8:13 pm-11:15 am

1 stop16h 02m

Calgary

Tue 5/19

7:30 am-6:50 am

2 stops22h 20m

$374

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 5/13

8:13 pm-11:15 am

1 stop16h 02m

Calgary

Tue 5/19

10:00 am-6:50 am

1 stop19h 50m

$377

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 3/9

8:12 pm-12:14 pm

2 stops41h 02m

Calgary

Mon 3/16

7:35 pm-12:15 pm

1 stop15h 40m

$409

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 2/24

7:00 am-9:56 pm

1 stop15h 56m

Calgary

Thu 2/26

1:40 pm-11:48 pm

1 stop9h 08m

$470

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 4/7

12:28 pm-8:45 pm

1 stop9h 17m

Calgary

Sun 4/12

12:30 pm-12:21 am

1 stop10h 51m

$475

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 3/2

4:30 pm-9:53 pm

1 stop6h 23m

Calgary

Wed 3/4

6:15 am-11:21 pm

1 stop16h 06m

$520

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sat 7/18

6:30 am-7:25 pm

2 stops13h 55m

Edmonton

Mon 7/27

9:25 am-11:01 pm

1 stop12h 36m

$583

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sat 7/18

6:30 am-3:58 pm

1 stop10h 28m

Edmonton

Mon 7/27

9:25 am-11:01 pm

1 stop12h 36m

$586

St. LouisGrande Prairie

STL - YQU

STLYQU

Lambert-St Louis

Sun 3/8

12:28 pm-1:25 am

2 stops13h 57m

Grande Prairie

Sun 3/15

5:35 am-12:21 am

2 stops17h 46m

$1,131

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 Alberta from

How to get the cheapest flight ticket from St. Louis to Alberta

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 Alberta?

The month of November is, on average, the cheapest month to fly to Alberta from St. Louis, with most prices found around $331. If you don’t want to visit Alberta in November, then you should wait until March to fly from St. Louis, when ticket prices are also cheap, with an average price of $397.

How far in advance should I book a flight to Alberta?

You are more likely to see cheaper flights to Alberta from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Alberta for around $537 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alberta from St. Louis for as low as $470 on momondo.

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

You could potentially save up to 27% on your flight if you consider stops on a St. Louis to Alberta flight.

Cheap St. Louis to Alberta flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Alberta

Fastest flight time

6h 08m

Direct flights

None
The fastest flight from St. Louis to Alberta takes 6h 08m
There are no direct flights from St. Louis to Alberta. There are no popular flight routes from St. Louis to Alberta.
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Alberta?

    Prices for flights from Lambert-St Louis Airport to Alberta are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Alberta?

  • How old do you have to be to fly from Lambert-St Louis Airport to Alberta?

    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 Lambert-St Louis Airport to Alberta.

  • What documentation or ID do you need to fly to Alberta?

    The travel and health documents you'll need for your trip to Alberta may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alberta. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Alberta

Compare and see reviews for airlines that fly from St. Louis to Alberta with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $178Free CancellationRating
7.1
10,652 reviews
Search Air Canada flights
DeltaPriceFrom $215Free CancellationRating
7.9
8,112 reviews
Search Delta flights
United AirlinesPriceFrom $285Free CancellationRating
7.4
9,193 reviews
Search United Airlines flights
American AirlinesPriceFrom $383Free CancellationRating
7.2
11,193 reviews
Search American Airlines flights
WestJetPriceFrom $490Free CancellationRating
7.2
3,250 reviews
Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Alberta?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Alberta for you.

Can I find flights from St. Louis to Alberta with flexible booking policies on momondo?

momondo does allow users to show only those flights to Alberta from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Alberta?

Once you have performed a search for St. Louis to Alberta 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 St. Louis to Alberta right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Alberta, momondo offers a useful price alert feature which will track prices for flights to Alberta from St. Louis and alert you when they change.

An easier way to manage your Alberta trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Alberta

Popular cities in Alberta

Popular flights according to clicks in the last 7 days on momondo
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