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St. Louis

$194+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$358
(United Airlines)

One-way from

$194
(Kiwi.com)

Popular in

November

Cheapest in

January

Average price

$439
Provider with most accurate pricing for Calgary-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Calgary-Lambert-St Louis flights.
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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 ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 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 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 April 29, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:15 amYYC - STL
1 stop13h 48mUnited Airlines
Mon 6/235:27 pmSTL - YYC
1 stop6h 26mUnited Airlines
Deal found 4/29$358
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.
Mon 6/96:45 amYYC - STL
1 stop10h 46mAmerican Airlines
Mon 6/165:37 amSTL - YYC
1 stop7h 13mAmerican Airlines
Deal found 4/28$367
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/206:45 amYYC - STL
1 stop15h 34mBritish Airways
Mon 6/308:35 amSTL - YYC
1 stop15h 54mBritish Airways
Deal found 4/29$372
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/116:45 amYYC - STL
2 stops16h 08mDelta
Mon 7/212:23 pmSTL - YYC
1 stop9h 34mDelta
Deal found 4/29$384
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:00 amYYC - STL
2 stops12h 39mWestJet
Wed 6/1110:30 amSTL - YYC
1 stop8h 58mWestJet
Deal found 4/29$394
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/148:05 amYEG - STL
1 stop13h 40mUnited Airlines
Sat 6/218:05 amSTL - YEG
1 stop9h 20mUnited Airlines
Deal found 4/29$468
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:44 amYEG - STL
1 stop11h 15mAlaska Airlines
Wed 9/246:30 pmSTL - YEG
1 stop17h 24mAlaska Airlines
Deal found 4/29$469
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/148:45 pmYEG - STL
2 stops14h 50mWestJet
Sat 6/216:00 amSTL - YEG
1 stop14h 48mWestJet
Deal found 4/29$476
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.
Fri 9/127:40 amYEG - STL
2 stops10h 53mAir Canada
Sat 9/275:15 amSTL - YEG
1 stop9h 52mAir Canada
Deal found 4/29$507

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 April 29, 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

Fri 6/13

6:15 am-9:03 pm

1 stop13h 48m

Lambert-St Louis

Mon 6/23

5:27 pm-10:53 pm

1 stop6h 26m

$358

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 6/9

6:45 am-6:31 pm

1 stop10h 46m

Lambert-St Louis

Mon 6/16

5:37 am-11:50 am

1 stop7h 13m

$367

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 6/20

6:45 am-11:19 pm

1 stop15h 34m

Lambert-St Louis

Mon 6/30

8:35 am-11:29 pm

1 stop15h 54m

$372

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 7/11

6:45 am-11:53 pm

2 stops16h 08m

Lambert-St Louis

Mon 7/21

2:23 pm-10:57 pm

1 stop9h 34m

$384

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 6/3

7:00 am-8:39 pm

2 stops12h 39m

Lambert-St Louis

Wed 6/11

10:30 am-6:28 pm

1 stop8h 58m

$394

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 6/14

8:05 am-10:45 pm

1 stop13h 40m

Lambert-St Louis

Sat 6/21

8:05 am-4:25 pm

1 stop9h 20m

$468

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/9

11:44 am-11:59 pm

1 stop11h 15m

Lambert-St Louis

Wed 9/24

6:30 pm-10:54 am

1 stop17h 24m

$469

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 6/14

8:45 pm-12:35 pm

2 stops14h 50m

Lambert-St Louis

Sat 6/21

6:00 am-7:48 pm

1 stop14h 48m

$476

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 9/12

9:35 am-7:33 pm

1 stop8h 58m

Lambert-St Louis

Sat 9/27

5:15 am-2:07 pm

1 stop9h 52m

$507

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 5/20

7:00 am-11:44 pm

2 stops15h 44m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 16 results
1
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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 April 29, 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 April 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United 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.
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
2,823 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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 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 Delta. According to our data, you can fly for as low as $218. Users have also found prices from $223 and $225 on WestJet and Air Canada, 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
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
O'Fallon

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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$309Average$516FlexibilityNo cancel feeOn-time71%

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