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Cheap flights from St. Louis to Alberta from C$ 164

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYC
6 Mar — 13 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Alberta

Enter your travel dates to find the best prices.

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 4 February 2026.

Mon 2/310:11 p.m.
STL
-
YYC
1 stop14h 46m
Multiple Airlines
Mon 9/37:35 p.m.
YYC
-
STL
1 stop22h 36m
Multiple Airlines
Deal found 31/1C$ 433
Thu 9/411:21 a.m.
STL
-
YYC
1 stop25h 22m
Multiple Airlines
Sat 11/412:30 a.m.
YYC
-
STL
1 stop9h 00m
Multiple Airlines
Deal found 3/2C$ 459
Sat 19/92:45 p.m.
STL
-
YYC
1 stop9h 35m
American Airlines
Fri 25/91:20 p.m.
YYC
-
STL
1 stop19h 05m
American Airlines
Deal found 31/1C$ 474
Thu 23/411:21 a.m.
STL
-
YYC
2 stops11h 24m
Multiple Airlines
Sun 26/47:00 a.m.
YYC
-
STL
1 stop22h 50m
Multiple Airlines
Deal found 1/2C$ 488
Thu 14/511:21 a.m.
STL
-
YYC
1 stop24h 39m
Multiple Airlines
Mon 18/58:45 a.m.
YYC
-
STL
1 stop9h 27m
Multiple Airlines
Deal found 4/2C$ 492
Sat 9/58:12 p.m.
STL
-
YYC
1 stop19h 33m
Multiple Airlines
Fri 15/55:50 p.m.
YYC
-
STL
1 stop21h 00m
Multiple Airlines
Deal found 31/1C$ 541
Thu 2/46:00 a.m.
STL
-
YYC
1 stop7h 50m
American Airlines
Mon 6/41:30 p.m.
YYC
-
STL
1 stop21h 15m
American Airlines
Deal found 3/2C$ 574
Mon 2/32:47 p.m.
STL
-
YEG
1 stop21h 00m
Multiple Airlines
Tue 17/36:00 a.m.
YEG
-
STL
2 stops12h 11m
Multiple Airlines
Deal found 3/2C$ 609
Mon 9/37:00 a.m.
STL
-
YEG
1 stop28h 47m
Multiple Airlines
Mon 16/39:15 a.m.
YEG
-
STL
1 stop13h 10m
Multiple Airlines
Deal found 3/2C$ 656
Thu 19/34:20 p.m.
STL
-
YEG
1 stop19h 57m
Multiple Airlines
Thu 26/37:50 a.m.
YEG
-
STL
2 stops26h 29m
Multiple Airlines
Deal found 2/2C$ 686
Fri 6/312:14 p.m.
STL
-
YEG
2 stops24h 24m
Multiple Airlines
Tue 17/34:30 p.m.
YEG
-
STL
1 stop17h 49m
Multiple Airlines
Deal found 3/2C$ 705
Sat 21/35:30 p.m.
STL
-
YEG
1 stop18h 47m
Multiple Airlines
Sat 28/36:15 p.m.
YEG
-
STL
2 stops35h 47m
Multiple Airlines
Deal found 4/2C$ 772

Find 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 4 February 2026.

Round-trip from

C$ 433

One-way from

C$ 164

Popular in

September

Cheapest in

November

Average price

C$ 688
2/3-9/3
  • 2/3-9/3
  • 2 total stops
  • 37h 22m total
  • St. Louis to Alberta
Search Deals
2/5
  • 2/5
  • 1 total stop
  • 15h 47m total
  • St. Louis to Alberta
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 629,999 searches. Data last updated 4 February 2026.
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

Mon 2/3

10:11 p.m.-11:57 a.m.

1 stop14h 46m

Calgary

Mon 9/3

7:35 p.m.-7:11 p.m.

2 stops22h 36m

C$ 477

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 23/4

11:21 a.m.-9:45 p.m.

2 stops11h 24m

Calgary

Sun 26/4

7:00 a.m.-6:50 a.m.

1 stop22h 50m

C$ 488

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 14/5

11:21 a.m.-11:00 a.m.

1 stop24h 39m

Calgary

Mon 18/5

8:45 a.m.-7:12 p.m.

1 stop9h 27m

C$ 492

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 9/4

4:54 p.m.-11:43 a.m.

2 stops19h 49m

Calgary

Sat 11/4

12:30 a.m.-10:30 a.m.

1 stop9h 00m

C$ 553

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 16/3

8:12 p.m.-12:02 p.m.

2 stops40h 50m

Calgary

Mon 23/3

8:55 a.m.-10:32 a.m.

1 stop24h 37m

C$ 593

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 8/5

8:13 p.m.-6:10 p.m.

2 stops22h 57m

Calgary

Sat 16/5

7:00 a.m.-10:30 a.m.

1 stop26h 30m

C$ 609

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 19/3

10:47 p.m.-10:46 p.m.

1 stop24h 59m

Calgary

Thu 26/3

10:50 a.m.-11:19 a.m.

2 stops23h 29m

C$ 623

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 5/3

7:00 a.m.-5:50 p.m.

1 stop11h 50m

Calgary

Sun 8/3

7:35 p.m.-11:19 a.m.

1 stop14h 44m

C$ 647

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 8/5

2:27 p.m.-10:57 p.m.

1 stop9h 30m

Calgary

Sat 16/5

6:45 a.m.-4:49 p.m.

1 stop9h 04m

C$ 653

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Mon 9/3

7:00 a.m.-10:47 a.m.

1 stop28h 47m

Edmonton

Mon 16/3

9:15 a.m.-11:25 p.m.

1 stop13h 10m

C$ 656

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Showing 1-10 of 31 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, April is the cheapest month in which you can book a flight from St. Louis to Alberta (average of C$ 231). Flying from St. Louis to Alberta in August is currently the most expensive (average of C$ 624). 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 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?

    Located just 20.4 km from the city centre, Lambert-St Louis (STL) is the airport most travellers will use when flying to Alberta from St. Louis.

  • 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, April is the cheapest month in which you can book a flight from St. Louis to Alberta (average of C$ 231). Flying from St. Louis to Alberta in August is currently the most expensive (average of C$ 624). 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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When you search for this flight from St. Louis to Alberta, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Alberta?

Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Alberta for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from St. Louis to Alberta with no change fees?

Yes, we can. To see specific flights from St. Louis to Alberta with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Alberta become cheaper?

Yes! Start tracking prices for St. Louis to Alberta flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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