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Alberta

$191+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYC
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$393
(Kiwi.com)

One-way from

$191
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$518
Provider with most accurate pricing for Lambert-St Louis-Calgary flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Calgary flights.
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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. 8% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/59:50 amSTL - YYC
2 stops11h 17mMultiple Airlines
Thu 6/129:15 amYYC - STL
1 stop6h 49mMultiple Airlines
Deal found 4/28$393
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/271:30 pmSTL - YYC
1 stop10h 36mAir Canada
Tue 6/38:30 amYYC - STL
1 stop6h 00mAir Canada
Deal found 4/28$395
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 6/56:00 amSTL - YYC
1 stop18h 29mAmerican Airlines
Thu 6/126:29 amYYC - STL
1 stop16h 25mAmerican Airlines
Deal found 4/28$399
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 5/2710:45 amSTL - YYC
2 stops13h 16mDelta
Tue 6/32:00 pmYYC - STL
1 stop9h 33mDelta
Deal found 4/28$409
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:00 amSTL - YYC
1 stop11h 48mWestJet
Sat 6/712:30 amYYC - STL
1 stop11h 05mWestJet
Deal found 4/27$446
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:22 pmSTL - YEG
1 stop17h 20mAlaska Airlines
Sat 5/3111:32 amYEG - STL
1 stop11h 32mAlaska Airlines
Deal found 4/28$511
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:00 amSTL - YEG
2 stops14h 24mWestJet
Sun 6/18:45 pmYEG - STL
2 stops11h 15mWestJet
Deal found 4/29$532
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:41 pmSTL - YEG
1 stop25h 27mUnited Airlines
Tue 5/203:17 pmYEG - STL
2 stops20h 02mUnited Airlines
Deal found 4/28$620
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/137:30 amSTL - YEG
2 stops10h 13mAir Canada
Sun 6/158:05 amYEG - STL
1 stop6h 25mAir Canada
Deal found 4/28$636
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/131:42 pmSTL - YEG
1 stop9h 22mMultiple Airlines
Sat 6/1412:55 amYEG - STL
1 stop10h 41mMultiple Airlines
Deal found 4/28$653
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Tue 5/136:00 amSTL - YQU
2 stops12h 13mMultiple Airlines
Fri 5/165:55 pmYQU - STL
2 stops26h 06mMultiple Airlines
Deal found 4/29$795
This Delta deal was found by Cheapflights users on 4/28. 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 5/110:30 amSTL - YEG
2 stops11h 42mDelta
Mon 6/3011:20 amYEG - STL
2 stops12h 23mDelta
Deal found 4/28$921

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 April 30, 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 6/5

9:50 am-8:07 pm

2 stops11h 17m

Calgary

Thu 6/12

9:15 am-5:04 pm

1 stop6h 49m

$393

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 5/27

1:30 pm-11:06 pm

1 stop10h 36m

Calgary

Tue 6/3

8:30 am-3:30 pm

1 stop6h 00m

$395

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 6/5

6:00 am-11:29 pm

1 stop18h 29m

Calgary

Thu 6/12

6:29 am-11:54 pm

1 stop16h 25m

$399

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 5/27

10:45 am-11:01 pm

2 stops13h 16m

Calgary

Tue 6/3

2:00 pm-12:33 am

1 stop9h 33m

$409

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 6/4

6:00 am-4:48 pm

1 stop11h 48m

Calgary

Sat 6/7

12:30 am-12:35 pm

1 stop11h 05m

$446

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 5/27

6:22 pm-10:42 am

1 stop17h 20m

Edmonton

Sat 5/31

11:32 am-12:04 am

1 stop11h 32m

$511

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 5/27

6:00 am-7:24 pm

2 stops14h 24m

Edmonton

Sun 6/1

8:45 pm-9:00 am

2 stops11h 15m

$532

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 5/14

1:41 pm-2:08 pm

1 stop25h 27m

Edmonton

Tue 5/20

3:17 pm-12:19 pm

2 stops20h 02m

$620

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Fri 6/13

7:30 am-4:43 pm

2 stops10h 13m

Edmonton

Sun 6/15

8:05 am-3:30 pm

1 stop6h 25m

$636

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Fri 6/13

1:42 pm-10:04 pm

1 stop9h 22m

Edmonton

Sat 6/14

12:55 am-12:36 pm

1 stop10h 41m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 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 $404). 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.

What is the cheapest time of day to fly from STL to AB?

Find hourly flight availability from St. Louis to Alberta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

When flying from St. Louis to Alberta, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Alberta by month

Plan your trip to Alberta by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Alberta ranges from 0.4 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. January is typically the driest time to visit Alberta when rainfall is around 0.4 in.

Temperature in Alberta by month

Plan your trip to Alberta by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Alberta, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

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 April 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from St. Louis to Alberta to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,826 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 United Airlines ($191), Delta ($192), and American Airlines ($195).

  • 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 $404). 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$182Average$671FlexibilityNo cancel feeOn-time67%
DeltaCheapest$190Average$433FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$343Average$683FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$398Average$612FlexibilityNo cancel feeOn-time71%
WestJetCheapest$434Average$606FlexibilityNo cancel feeOn-time60%

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