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St. Louis

$150+ Cheap flights from Alberta to St. Louis (STL)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
jun 17 — jun 241
ter 6/17
ter 6/24
1 adult, Economy
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Cheap flight deals from Alberta to St. Louis

Keep the following information in mind while searching for Alberta to St. Louis flight deals. Data was last updated junho 12, 2025.

Round-trip from

$308
(Mytrip)

One-way from

$150
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$462
From Alberta to Lambert-St Louis
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One-way flight from Alberta to Lambert-St Louis
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Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Alberta to St. Louis

Cheapest flights from Alberta to St. Louis
Explore the most affordable flight options available from Alberta to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junho 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 7/99:15 amYYC - STL
1 stop23h 37mMultiple Airlines
dom 7/1310:47 amSTL - YYC
2 stops34h 13mMultiple Airlines
Deal found 6/10$308
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
qui 8/218:45 pmYEG - STL
2 stops14h 36mMultiple Airlines
seg 8/256:00 amSTL - YEG
1 stop11h 21mMultiple Airlines
Deal found 6/10$424
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 7/1512:30 amYYC - STL
1 stop14h 48mWestJet
sáb 7/191:23 pmSTL - YYC
1 stop22h 56mWestJet
Deal found 6/10$433
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 8/219:25 amYEG - STL
1 stop6h 20mWestJet
seg 8/255:30 pmSTL - YEG
1 stop23h 28mWestJet
Deal found 6/10$436
This United Airlines deal was found by Cheapflights users on 6/10. 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.
seg 9/223:17 pmYEG - STL
1 stop7h 36mUnited Airlines
ter 9/305:15 amSTL - YEG
1 stop9h 53mUnited Airlines
Deal found 6/10$437
This Delta deal was found by Cheapflights users on 6/11. 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.
qua 7/97:00 amYYC - STL
2 stops8h 42mDelta
dom 7/132:23 pmSTL - YYC
1 stop9h 34mDelta
Deal found 6/11$465
This Air Canada deal was found by Cheapflights users on 6/11. 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.
qui 9/111:00 amYEG - STL
1 stop17h 57mAir Canada
sáb 9/274:05 pmSTL - YEG
1 stop7h 51mAir Canada
Deal found 6/11$471
This Delta deal was found by Cheapflights users on 6/11. 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.
sex 9/129:45 amYEG - STL
1 stop7h 12mDelta
sáb 9/2712:10 pmSTL - YEG
2 stops13h 17mDelta
Deal found 6/11$474
This American Airlines deal was found by Cheapflights users on 6/11. 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.
sex 6/131:27 pmYYC - STL
1 stop6h 03mAmerican Airlines
seg 6/237:20 amSTL - YYC
1 stop17h 09mAmerican Airlines
Deal found 6/11$479

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated junho 12, 2025.
Use the filters below to find and compare flights from Alberta to St. Louis that are best for you.

Fly from

Alberta

Fly to

St. Louis

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

qua 7/9

9:15 am-9:52 am

1 stop23h 37m

Lambert-St Louis

dom 7/13

10:47 am-8:00 pm

2 stops34h 13m

$308

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

qui 8/21

8:45 pm-12:21 pm

2 stops14h 36m

Lambert-St Louis

seg 8/25

6:00 am-4:21 pm

1 stop11h 21m

$424

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

ter 7/15

12:30 am-4:18 pm

1 stop14h 48m

Lambert-St Louis

sáb 7/19

1:23 pm-11:19 am

1 stop22h 56m

$433

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

qui 8/21

9:25 am-4:45 pm

1 stop6h 20m

Lambert-St Louis

seg 8/25

5:30 pm-3:58 pm

1 stop23h 28m

$436

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

seg 9/22

3:17 pm-11:53 pm

1 stop7h 36m

Lambert-St Louis

ter 9/30

5:15 am-2:08 pm

1 stop9h 53m

$437

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

qua 7/9

7:00 am-4:42 pm

2 stops8h 42m

Lambert-St Louis

dom 7/13

2:23 pm-10:57 pm

1 stop9h 34m

$465

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

qui 9/11

1:00 am-7:57 pm

1 stop17h 57m

Lambert-St Louis

sáb 9/27

4:05 pm-10:56 pm

1 stop7h 51m

$471

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

sex 9/12

9:45 am-5:57 pm

1 stop7h 12m

Lambert-St Louis

sáb 9/27

12:10 pm-12:27 am

2 stops13h 17m

$474

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

qua 7/9

12:15 pm-9:52 am

1 stop20h 37m

$150

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

seg 9/29

6:29 am-11:48 pm

1 stop16h 19m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 19 results
1
2

Best time to book a flight from Alberta to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Alberta 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 Alberta to St. Louis

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

Currently, August is the cheapest month in which you can book a flight from Alberta to St. Louis (average of $311). Flying from Alberta to St. Louis in March is currently the most expensive (average of $356). 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 AB to STL?

Find hourly flight availability from Alberta to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junho 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alberta to St. Louis as you normally would.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated junho 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Alberta to St. Louis. 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
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Alberta to St. Louis. 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 into for flights to St. Louis from Alberta?

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

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $188. Users have also found prices from $204 and $207 on Air Canada and Delta, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Alberta to St. Louis 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 Alberta to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Alberta to St. Louis (average of $311). Flying from Alberta to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Alberta?

Book flights to Alberta if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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Alternative routes for Alberta to St. Louis

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Top airline flying from Alberta to St. Louis

Discover the top airline that operate flights from Alberta to St. Louis. 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 junho 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$309Average$516FlexibilityNo cancel feeOn-time71%

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