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Alberta

$171+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$283
(Mytrip)

One-way from

$171
(Mytrip)

Popular in

September

Cheapest in

January

Average price

$609
From Lambert-St Louis to Alberta
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One-way flight from Lambert-St Louis to Alberta
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Highest demand for flights based on searches. 3% potential increase in price ($18 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 June 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 June 12, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:44 amSTL - YYC
1 stop10h 40mMultiple Airlines
Sat 9/139:15 amYYC - STL
1 stop21h 34mMultiple Airlines
Deal found 6/11$283
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.
Tue 8/121:24 pmSTL - YYC
1 stop11h 05mAmerican Airlines
Tue 8/196:29 amYYC - STL
1 stop14h 48mAmerican Airlines
Deal found 6/11$344
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.
Fri 7/2510:47 amSTL - YEG
3 stops28h 10mMultiple Airlines
Thu 7/319:30 amYEG - STL
3 stops25h 40mMultiple Airlines
Deal found 6/10$421
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.
Tue 8/1211:25 amSTL - YYC
1 stop12h 28mUnited Airlines
Tue 8/195:05 pmYYC - STL
2 stops21h 39mUnited Airlines
Deal found 6/10$428
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.
Thu 9/41:30 pmSTL - YYC
1 stop9h 08mAir Canada
Sat 9/139:20 amYYC - STL
2 stops9h 18mAir Canada
Deal found 6/11$435
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 8/82:23 pmSTL - YYC
1 stop9h 34mDelta
Thu 8/147:55 amYYC - STL
1 stop9h 21mDelta
Deal found 6/12$443
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/38:10 amSTL - YEG
2 stops14h 54mUnited Airlines
Wed 9/173:17 pmYEG - STL
2 stops18h 23mUnited Airlines
Deal found 6/11$457
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 9/2311:39 amYEG - STL
1 stop26h 00mAlaska Airlines
Deal found 6/9$495
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/101:29 pmSTL - YYC
1 stop7h 31mWestJet
Sun 7/1312:30 amYYC - STL
1 stop16h 36mWestJet
Deal found 6/10$533
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.
Sun 9/71:30 pmSTL - YEG
1 stop9h 25mAir Canada
Tue 9/237:40 amYEG - STL
2 stops10h 58mAir Canada
Deal found 6/11$534
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:30 amSTL - YEG
1 stop10h 28mWestJet
Mon 8/412:05 amYEG - STL
2 stops15h 13mWestJet
Deal found 6/10$541
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/257:45 amSTL - YEG
1 stop8h 44mDelta
Thu 7/319:30 amYEG - STL
1 stop6h 12mDelta
Deal found 6/10$612

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 June 12, 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

8:44 am-6:24 pm

1 stop10h 40m

Calgary

Sat 9/13

9:15 am-7:49 am

1 stop21h 34m

$283

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/12

1:24 pm-11:29 pm

1 stop11h 05m

Calgary

Tue 8/19

6:29 am-10:17 pm

1 stop14h 48m

$344

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Fri 7/25

10:47 am-1:57 pm

3 stops28h 10m

Edmonton

Thu 7/31

9:30 am-12:10 pm

3 stops25h 40m

$421

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/12

11:25 am-10:53 pm

1 stop12h 28m

Calgary

Tue 8/19

5:05 pm-3:44 pm

2 stops21h 39m

$428

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 9/4

1:30 pm-9:38 pm

1 stop9h 08m

Calgary

Sat 9/13

9:20 am-7:38 pm

2 stops9h 18m

$435

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 9/3

8:10 am-10:04 pm

2 stops14h 54m

Edmonton

Wed 9/17

3:17 pm-10:40 am

2 stops18h 23m

$457

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 11/14

2:15 pm-11:12 pm

1 stop9h 57m

Calgary

Mon 11/17

2:00 pm-12:37 am

1 stop9h 37m

$472

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sun 9/7

6:30 pm-10:54 am

1 stop17h 24m

Edmonton

Tue 9/23

11:39 am-2:39 pm

1 stop26h 00m

$495

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 7/10

1:29 pm-8:00 pm

1 stop7h 31m

Calgary

Sun 7/13

12:30 am-6:06 pm

1 stop16h 36m

$533

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sun 9/7

1:30 pm-9:55 pm

1 stop9h 25m

Edmonton

Tue 9/23

7:40 am-7:38 pm

2 stops10h 58m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 23 results
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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, 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 June 12, 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 June 12, 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
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 Alaska Airlines ($194), United Airlines ($195), and American Airlines ($196).

  • 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.
St. Louis to Pearson Intl flights
St. Louis to Pierre Elliott Trudeau Intl flights
St. Louis to Vancouver Intl flights
St. Louis to Calgary flights
Kansas City to Vancouver Intl flights
Kansas City to Pearson Intl flights
Kansas City to Pierre Elliott Trudeau Intl flights
Kansas City to Calgary flights
Springfield to Vancouver Intl flights
St. Louis to Halifax flights
Kansas City to Québec City flights
Kansas City to Toronto Island flights
St. Louis to Edmonton flights
Springfield to Pearson Intl flights
St. Louis to Québec City flights
Kansas City to Halifax flights
Kansas City to Victoria flights
St. Louis to St. John's flights
Springfield to Toronto Island flights
Kansas City to St. John's flights
St. Louis to Ottawa flights
Columbia to Pearson Intl flights
Kansas City to Winnipeg flights
St. Louis to Winnipeg flights
Kansas City to Edmonton flights
St. Louis to Victoria flights
Kansas City to Saskatoon flights
St. Louis to Saskatoon flights
Kansas City to Ottawa flights
Kansas City to Moncton flights
Joplin to Pearson Intl flights
Springfield to Pierre Elliott Trudeau Intl flights
Joplin to Pierre Elliott Trudeau Intl flights
Columbia to Pierre Elliott Trudeau Intl flights
St. Louis to Kelowna flights
St. Louis to Grande Prairie flights
St. Louis to Sydney flights
Kansas City to Kelowna flights
Springfield to Calgary flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$168Average$582FlexibilityNo cancel feeOn-time67%
DeltaCheapest$190Average$421FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$343Average$690FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$383Average$537FlexibilityNo cancel feeOn-time71%
WestJetCheapest$435Average$606FlexibilityNo cancel feeOn-time60%

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