St. Louis

$221+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
Mar 6 — Mar 131
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Cheap 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 February 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 5/69:30 pm
YEG
-
STL
2 stops12h 00m
Multiple Airlines
Wed 5/137:56 pm
STL
-
YEG
1 stop15h 53m
Multiple Airlines
Deal found 2/3$380
This FlightHub deal was found by Cheapflights users on 2/3. 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 5/66:25 pm
YEG
-
STL
2 stops14h 11m
WestJet
Wed 5/136:20 am
STL
-
YEG
2 stops10h 30m
WestJet
Deal found 2/3$443
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 2/2811:37 am
YEG
-
STL
1 stop25h 46m
Alaska Airlines
Wed 3/47:00 am
STL
-
YEG
1 stop28h 47m
Alaska Airlines
Deal found 2/2$451
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 5/611:59 am
YEG
-
STL
1 stop11h 00m
Alaska Airlines
Wed 5/137:56 pm
STL
-
YEG
1 stop15h 53m
Alaska Airlines
Deal found 2/3$472
This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 2/1812:40 pm
YYC
-
STL
1 stop10h 45m
Delta
Tue 2/2411:23 am
STL
-
YYC
2 stops8h 49m
Delta
Deal found 2/3$481
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/186:15 am
YYC
-
STL
1 stop13h 11m
United Airlines
Tue 2/246:25 am
STL
-
YYC
1 stop6h 06m
United Airlines
Deal found 2/3$485
This United Airlines deal was found by Cheapflights users on 2/3. 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 5/66:00 am
YEG
-
STL
1 stop9h 57m
United Airlines
Wed 5/132:35 pm
STL
-
YEG
1 stop8h 29m
United Airlines
Deal found 2/3$502
This Air Canada deal was found by Cheapflights users on 2/2. 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 3/125:55 am
YEG
-
STL
1 stop8h 34m
Air Canada
Mon 3/164:05 pm
STL
-
YEG
1 stop8h 13m
Air Canada
Deal found 2/2$514
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 3/241:25 pm
YYC
-
STL
1 stop9h 34m
Multiple Airlines
Sat 3/2812:14 pm
STL
-
YYC
2 stops36h 51m
Multiple Airlines
Deal found 2/3$518
This Air Canada deal was found by Cheapflights users on 2/3. 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 3/245:35 am
YYC
-
STL
1 stop8h 54m
Air Canada
Sat 3/284:05 pm
STL
-
YYC
1 stop10h 09m
Air Canada
Deal found 2/3$521
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 9/227:00 pm
YYC
-
STL
1 stop18h 26m
Alaska Airlines
Mon 9/286:20 pm
STL
-
YYC
2 stops17h 09m
Alaska Airlines
Deal found 2/2$538
This Air Canada deal was found by Cheapflights users on 2/2. 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 3/125:55 am
YEG
-
STL
1 stop8h 34m
Air Canada
Sun 3/154:05 pm
STL
-
YEG
1 stop8h 13m
Air Canada
Deal found 2/2$538

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$380
(Kiwi.com)

One-way from

$221
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$413
Provider with most accurate pricing for Calgary-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Calgary-Lambert-St Louis flights.
From Alberta to Lambert-St Louis
One-way flight from Alberta to Lambert-St Louis
Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 4, 2026.
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

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 5/6

9:30 pm-10:30 am

2 stops12h 00m

Lambert-St Louis

Wed 5/13

7:56 pm-10:49 am

1 stop15h 53m

$380

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 5/6

6:25 pm-9:36 am

2 stops14h 11m

Lambert-St Louis

Wed 5/13

6:20 am-3:50 pm

2 stops10h 30m

$443

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 2/28

11:37 am-2:23 pm

1 stop25h 46m

Lambert-St Louis

Wed 3/4

7:00 am-10:47 am

1 stop28h 47m

$451

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 5/6

11:59 am-11:59 pm

1 stop11h 00m

Lambert-St Louis

Wed 5/13

7:56 pm-10:49 am

1 stop15h 53m

$472

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 2/18

12:40 pm-12:25 am

1 stop10h 45m

Lambert-St Louis

Tue 2/24

11:23 am-7:12 pm

2 stops8h 49m

$481

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 2/18

6:15 am-8:26 pm

1 stop13h 11m

Lambert-St Louis

Tue 2/24

6:25 am-11:31 am

1 stop6h 06m

$485

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 5/6

6:00 am-4:57 pm

1 stop9h 57m

Lambert-St Louis

Wed 5/13

2:35 pm-10:04 pm

1 stop8h 29m

$502

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 3/24

1:25 pm-11:59 pm

1 stop9h 34m

Lambert-St Louis

Sat 3/28

12:14 pm-12:05 am

2 stops36h 51m

$518

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 3/24

5:35 am-3:29 pm

1 stop8h 54m

Lambert-St Louis

Sat 3/28

4:05 pm-1:14 am

1 stop10h 09m

$521

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 3/12

5:55 am-3:29 pm

1 stop8h 34m

Lambert-St Louis

Sun 3/15

4:05 pm-11:18 pm

1 stop8h 13m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 24 results
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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, May is the cheapest month in which you can book a flight from Alberta to St. Louis (average of $302). Flying from Alberta to St. Louis in December is currently the most expensive (average of $470). 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.

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.

  • How long is the flight from Alberta to St. Louis?

    For as low as $481, WestJet can have you in St. Louis from Alberta in 10h 45m. There are 1427 mi between Alberta and St. Louis. This flight may include one or multiple stops.

  • 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, May is the cheapest month in which you can book a flight from Alberta to St. Louis (average of $302). Flying from Alberta to St. Louis in December is currently the most expensive (average of $470). 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 St. Louis?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$422Average$509FlexibilityNo cancel feeOn-time69%

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