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Alberta

$155+ Cheap flights from St. Louis (STL) to Alberta

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYC
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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Cheap flight deals from St. Louis to Alberta

Cheapest flights from St. Louis to Alberta
Explore the most affordable flight options available from St. Louis to Alberta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:23 pm
STL
-
YYC
1 stop15h 37m
Multiple Airlines
Wed 5/69:00 pm
YYC
-
STL
2 stops18h 54m
Multiple Airlines
Deal found 3/15$320
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:59 pm
STL
-
YYC
2 stops25h 11m
Multiple Airlines
Mon 5/412:30 am
YYC
-
STL
1 stop16h 06m
Multiple Airlines
Deal found 3/13$380
This American Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:00 am
STL
-
YYC
1 stop17h 38m
American Airlines
Wed 6/106:15 am
YYC
-
STL
1 stop16h 39m
American Airlines
Deal found 3/17$390
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:27 pm
STL
-
YYC
1 stop18h 33m
Multiple Airlines
Tue 5/197:00 am
YYC
-
STL
1 stop9h 33m
Multiple Airlines
Deal found 3/16$409
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:25 am
STL
-
YYC
1 stop8h 44m
Multiple Airlines
Mon 4/279:00 pm
YYC
-
STL
2 stops32h 50m
Multiple Airlines
Deal found 3/14$419
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:21 pm
STL
-
YYC
1 stop20h 38m
American Airlines
Tue 5/51:40 pm
YYC
-
STL
1 stop21h 07m
American Airlines
Deal found 3/13$429
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:03 pm
STL
-
YYC
1 stop17h 56m
American Airlines
Tue 4/211:40 pm
YYC
-
STL
1 stop21h 07m
American Airlines
Deal found 3/15$436
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:46 pm
STL
-
YEG
1 stop19h 23m
Multiple Airlines
Wed 5/69:30 pm
YEG
-
STL
2 stops18h 24m
Multiple Airlines
Deal found 3/15$453
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:23 pm
STL
-
YYC
1 stop15h 37m
Multiple Airlines
Fri 5/87:00 am
YYC
-
STL
1 stop24h 55m
Multiple Airlines
Deal found 3/18$460
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:33 pm
STL
-
YYC
2 stops28h 22m
Multiple Airlines
Tue 5/267:00 am
YYC
-
STL
1 stop9h 33m
Multiple Airlines
Deal found 3/17$463
This Alaska Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:46 pm
STL
-
YEG
1 stop19h 23m
Alaska Airlines
Wed 5/611:59 am
YEG
-
STL
1 stop11h 00m
Alaska Airlines
Deal found 3/15$523
This Gotogate deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/114:05 pm
STL
-
YEG
1 stop7h 54m
Air Canada
Sat 4/186:00 am
YEG
-
STL
1 stop8h 25m
Air Canada
Deal found 3/14$553

Find flight deals from St. Louis to Alberta

Keep the following information in mind while searching for St. Louis to Alberta flight deals. Data was last updated March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$320
(Kiwi.com)

One-way from

$155
(Trip.com)

Popular in

March

Cheapest in

November

Average price

$645
Provider with most accurate pricing for Lambert-St Louis-Calgary flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Calgary flights.
Search Deals
From Lambert-St Louis to Alberta
Search Deals
One-way flight from Lambert-St Louis to Alberta
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 18, 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

Cheapest round-trip

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 8/22

1:36 pm-6:30 pm

1 stop5h 54m

Calgary

Wed 9/2

9:30 am-8:39 pm

1 stop10h 09m

$484

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 4/20

8:15 pm-11:32 am

1 stop16h 17m

Calgary

Fri 4/24

1:27 pm-8:54 pm

1 stop6h 27m

$484

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 6/28

5:33 pm-10:40 pm

1 stop6h 07m

Calgary

Mon 6/29

8:30 am-3:46 pm

1 stop6h 16m

$484

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 4/29

4:46 pm-11:09 am

1 stop19h 23m

Edmonton

Wed 5/6

11:59 am-11:59 pm

1 stop11h 00m

$523

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 5/14

8:30 pm-11:32 am

1 stop16h 02m

Calgary

Sun 5/17

1:27 pm-8:43 pm

1 stop6h 16m

$538

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sat 4/11

4:05 pm-10:59 pm

1 stop7h 54m

Edmonton

Sat 4/18

6:00 am-3:25 pm

1 stop8h 25m

$553

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 6/22

2:18 pm-8:05 pm

1 stop6h 47m

Calgary

Mon 6/29

2:00 pm-12:36 am

1 stop9h 36m

$559

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 5/13

2:35 pm-10:04 pm

1 stop8h 29m

Edmonton

Sun 5/17

6:00 am-1:13 pm

1 stop6h 13m

$563
Quickest round-trip

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 4/14

8:54 am-2:08 pm

1 stop6h 14m

Edmonton

Tue 4/21

6:00 am-1:08 pm

1 stop6h 08m

$563

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sat 4/4

8:54 am-2:08 pm

1 stop6h 14m

Edmonton

Sat 4/11

6:00 am-1:08 pm

1 stop6h 08m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from St. Louis to Alberta

Have a flexible travel schedule? Discover the best time to fly to Alberta from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Alberta

What is the cheapest month to book a flight from St. Louis to Alberta?

Currently, April is the cheapest month in which you can book a flight from St. Louis to Alberta (average of $169). Flying from St. Louis to Alberta in March is currently the most expensive (average of $556). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from St. Louis to Alberta?

Reviews of airlines servicing Alberta

Get insights into the airlines that provide service to Alberta. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Alberta. Reviews last updated March 18, 2026.
See what other customers who have flown with Delta,United Airlines, andWestJet from St. Louis to Alberta have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,286 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,286 reviews
Delta
7.9
Good
8,286 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,435 reviews
Delta
7.9
Good
8,286 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,297 reviews
Delta
7.9
Good
8,286 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,468 reviews
Delta
7.9
Good
8,286 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,813 reviews
Delta
7.9
Good
8,286 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Alberta. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Alberta?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Alberta. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How long is the flight from St. Louis to Alberta?

    A quick flight from St. Louis to Alberta can take about 6h 07m. United Airlines provides one of the quickest options available for as low as $484. The distance between St. Louis and Alberta is about 1427 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from St. Louis to Alberta one-way?

    The cheapest airlines for a one-way flight from St. Louis to Alberta are American Airlines ($171), United Airlines ($173), and Delta ($235).

  • What are the most popular routes from St. Louis to Alberta?

    The most popular route from St. Louis to Alberta is Lambert-St Louis - Calgary. You may also consider Lambert-St Louis - Edmonton or Lambert-St Louis - Grande Prairie.

  • Can I find deals for flights from St. Louis to Alberta that include hotel bookings?

    Yes. In addition to deals on St. Louis to Alberta flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Alberta?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Alberta.

  • Can I find deals for business class flights from St. Louis to Alberta?

    Yes. Cheapflights offers flight deals from St. Louis to Alberta by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Alberta?

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Alberta (average of $169). Flying from St. Louis to Alberta in March is currently the most expensive (average of $556). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from St. Louis to Alberta

Discover the top 5 airlines that operate flights from St. Louis to Alberta. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$178Average$589FlexibilityNo cancel feeOn-time67%
DeltaCheapest$215Average$614FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$672FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$398Average$572FlexibilityNo cancel feeOn-time71%
WestJetCheapest$490Average$632FlexibilityNo cancel feeOn-time60%

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