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Alberta

$142+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYC
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$297
(Kiwi.com)

One-way from

$142
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$643
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. 6% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/47:55 pmSTL - YYC
1 stop19h 50mMultiple Airlines
Sun 9/74:20 pmYYC - STL
1 stop15h 46mMultiple Airlines
Deal found 7/27$297
This American Airlines deal was found by Cheapflights users on 7/28. 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 9/39:56 amSTL - YYC
1 stop14h 23mAmerican Airlines
Wed 9/106:29 amYYC - STL
1 stop14h 24mAmerican Airlines
Deal found 7/28$327
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/222:01 pmSTL - YEG
2 stops24h 56mMultiple Airlines
Mon 8/2511:15 amYEG - STL
1 stop11h 44mMultiple Airlines
Deal found 7/27$412
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 9/76:30 pmSTL - YEG
1 stop17h 24mAlaska Airlines
Tue 9/235:17 pmYEG - STL
1 stop20h 22mAlaska Airlines
Deal found 7/29$434
This Air Canada deal was found by Cheapflights users on 7/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/121:30 pmSTL - YYC
1 stop9h 00mAir Canada
Tue 8/197:10 amYYC - STL
1 stop7h 11mAir Canada
Deal found 7/27$454
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:24 pmSTL - YYC
1 stop19h 11mUnited Airlines
Mon 11/172:13 pmYYC - STL
2 stops24h 34mUnited Airlines
Deal found 7/27$461
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:25 pmSTL - YYC
1 stop9h 32mDelta
Tue 8/196:40 amYYC - STL
2 stops12h 53mDelta
Deal found 7/27$472
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:15 amSTL - YEG
2 stops11h 48mAir Canada
Wed 9/179:25 amYEG - STL
1 stop9h 13mAir Canada
Deal found 7/29$539
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2211:23 amSTL - YEG
2 stops10h 49mWestJet
Mon 8/258:45 pmYEG - STL
2 stops14h 46mWestJet
Deal found 7/27$545
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:30 pmSTL - YEG
2 stops21h 38mUnited Airlines
Tue 9/233:17 pmYEG - STL
2 stops22h 02mUnited Airlines
Deal found 7/29$557
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:40 amSTL - YEG
1 stop8h 19mDelta
Wed 9/1712:05 amYEG - STL
2 stops13h 30mDelta
Deal found 7/28$965

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 July 29, 2025.
Use the filters below to find and compare flights from St. Louis to Alberta that are best for you.

Fly from

St. Louis

Fly to

Alberta

Route

Depart

Return

Price

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 9/4

7:55 pm-2:45 pm

1 stop19h 50m

Calgary

Sun 9/7

4:20 pm-9:06 am

1 stop15h 46m

$297

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 9/3

9:56 am-11:19 pm

1 stop14h 23m

Calgary

Wed 9/10

6:29 am-9:53 pm

1 stop14h 24m

$327

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Fri 8/22

2:01 pm-1:57 pm

2 stops24h 56m

Edmonton

Mon 8/25

11:15 am-11:59 pm

1 stop11h 44m

$412

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sun 9/7

6:30 pm-10:54 am

1 stop17h 24m

Edmonton

Tue 9/23

5:17 pm-2:39 pm

1 stop20h 22m

$434

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/12

1:30 pm-9:30 pm

1 stop9h 00m

Calgary

Tue 8/19

7:10 am-3:21 pm

1 stop7h 11m

$454

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/12

2:25 pm-10:57 pm

1 stop9h 32m

Calgary

Tue 8/19

6:40 am-8:33 pm

2 stops12h 53m

$472

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Fri 8/22

1:30 pm-9:49 pm

1 stop9h 19m

Edmonton

Mon 8/25

6:15 am-8:00 pm

2 stops12h 45m

$544

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Fri 8/22

6:00 am-9:12 pm

2 stops16h 12m

Edmonton

Mon 8/25

7:00 am-11:24 pm

2 stops15h 24m

$545

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sun 9/7

5:30 pm-2:08 pm

2 stops21h 38m

Edmonton

Tue 9/23

3:17 pm-2:19 pm

2 stops22h 02m

$557

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Thu 9/11

8:40 am-3:59 pm

1 stop8h 19m

Edmonton

Wed 9/17

12:05 am-2:35 pm

2 stops13h 30m

$965

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 17 results
1
2

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, January is the cheapest month in which you can book a flight from St. Louis to Alberta (average of $300). Flying from St. Louis to Alberta in February is currently the most expensive (average of $402). 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 July 29, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
WestJet
7.2
Good
2,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 ($150), Alaska Airlines ($192), and Air Canada ($245).

  • 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, January is the cheapest month in which you can book a flight from St. Louis to Alberta (average of $300). Flying from St. Louis to Alberta in February is currently the most expensive (average of $402). 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

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Alternative routes for St. Louis to Alberta

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$168Average$442FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$178Average$582FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$343Average$688FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$383Average$542FlexibilityNo cancel feeOn-time71%
WestJetCheapest$453Average$609FlexibilityNo cancel feeOn-time60%

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