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Cheap flights from St. Louis to Alberta from C$ 242

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYC
17 Jun — 24 Jun1
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 18 May 2026.

Mon 6/74:52 p.m.
STL
-
YYC
1 stop29h 58m
Multiple Airlines
Thu 16/77:00 a.m.
YYC
-
STL
1 stop9h 37m
Multiple Airlines
Deal found 17/5C$ 448
Tue 7/76:33 p.m.
STL
-
YYC
1 stop28h 17m
Multiple Airlines
Thu 16/77:00 a.m.
YYC
-
STL
1 stop9h 37m
Multiple Airlines
Deal found 17/5C$ 450
Mon 24/85:33 p.m.
STL
-
YYC
1 stop18h 27m
Multiple Airlines
Mon 31/812:30 a.m.
YYC
-
STL
1 stop16h 00m
Multiple Airlines
Deal found 15/5C$ 452
Thu 27/86:33 p.m.
STL
-
YYC
1 stop23h 37m
Multiple Airlines
Sun 30/87:00 a.m.
YYC
-
STL
1 stop9h 30m
Multiple Airlines
Deal found 18/5C$ 455
Thu 27/86:33 p.m.
STL
-
YYC
1 stop23h 37m
Multiple Airlines
Mon 31/89:00 p.m.
YYC
-
STL
2 stops19h 30m
Multiple Airlines
Deal found 17/5C$ 456
Mon 6/74:52 p.m.
STL
-
YYC
1 stop29h 58m
Multiple Airlines
Fri 17/77:00 a.m.
YYC
-
STL
1 stop24h 57m
Multiple Airlines
Deal found 17/5C$ 459
Tue 7/76:33 p.m.
STL
-
YYC
1 stop28h 17m
Multiple Airlines
Fri 17/77:00 a.m.
YYC
-
STL
1 stop24h 57m
Multiple Airlines
Deal found 17/5C$ 461
Sun 5/76:33 p.m.
STL
-
YYC
1 stop28h 17m
Multiple Airlines
Thu 16/77:00 a.m.
YYC
-
STL
1 stop9h 37m
Multiple Airlines
Deal found 17/5C$ 489
Sun 5/76:33 p.m.
STL
-
YYC
1 stop28h 17m
Multiple Airlines
Fri 17/77:00 a.m.
YYC
-
STL
1 stop24h 57m
Multiple Airlines
Deal found 17/5C$ 499
Mon 6/74:52 p.m.
STL
-
YYC
1 stop29h 58m
Multiple Airlines
Wed 15/78:45 a.m.
YYC
-
STL
1 stop9h 38m
Multiple Airlines
Deal found 17/5C$ 527
Tue 15/92:45 p.m.
STL
-
YYC
1 stop9h 35m
American Airlines
Wed 23/96:30 a.m.
YYC
-
STL
1 stop12h 33m
American Airlines
Deal found 13/5C$ 562
Tue 25/82:40 p.m.
STL
-
YEG
1 stop9h 18m
Air Canada
Wed 26/89:30 a.m.
YEG
-
STL
1 stop8h 12m
Air Canada
Deal found 16/5C$ 817

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 18 May 2026.

Round-trip from

C$ 448

One-way from

C$ 242

Popular in

July

Cheapest in

November

Average price

C$ 940
6/7-16/7
  • 6/7-16/7
  • 2 total stops
  • 39h 35m total
  • St. Louis to Alberta
Search Deals
American Airlines
  • American Airlines
  • 16/9
  • 1 total stop
  • 9h 35m total
  • St. Louis to Alberta
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 18 May 2026.
Use the filters below to find and compare flights from St. Louis to Alberta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 27/8

8:08 p.m.-12:10 p.m.

2 stops17h 02m

Calgary

Sun 30/8

7:00 a.m.-5:30 p.m.

1 stop9h 30m

C$ 624

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 15/9

12:10 p.m.-11:06 p.m.

2 stops11h 56m

Calgary

Wed 23/9

7:15 a.m.-11:01 p.m.

2 stops14h 46m

C$ 637

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 25/9

2:15 p.m.-11:06 p.m.

1 stop9h 51m

Calgary

Sat 3/10

6:35 a.m.-4:45 p.m.

1 stop9h 10m

C$ 642

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 21/9

2:15 p.m.-11:06 p.m.

1 stop9h 51m

Calgary

Wed 30/9

7:15 a.m.-11:01 p.m.

2 stops14h 46m

C$ 645

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Tue 25/8

2:40 p.m.-10:58 p.m.

1 stop9h 18m

Edmonton

Wed 26/8

9:30 a.m.-6:42 p.m.

1 stop8h 12m

C$ 817
Quickest round-trip

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sun 14/6

4:48 p.m.-10:04 p.m.

1 stop6h 16m

Edmonton

Sun 21/6

3:17 p.m.-11:57 p.m.

1 stop7h 40m

C$ 821

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Thu 27/8

8:55 a.m.-5:03 p.m.

1 stop9h 08m

Edmonton

Mon 31/8

6:00 a.m.-6:42 p.m.

2 stops11h 42m

C$ 829

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Thu 27/8

8:55 a.m.-5:03 p.m.

1 stop9h 08m

Edmonton

Sun 30/8

6:00 a.m.-2:02 p.m.

1 stop7h 02m

C$ 855

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Thu 18/6

5:10 a.m.-2:08 p.m.

1 stop9h 58m

Edmonton

Mon 22/6

3:17 p.m.-11:57 p.m.

1 stop7h 40m

C$ 913
Cheapest one-way

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 7/7

9:08 a.m.-11:49 p.m.

1 stop15h 41m

C$ 256

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/5

Showing 1-10 of 24 resultsSorted by cheapest first
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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

How far ahead should I book a flight from St. Louis to Alberta?

The best time to book flights from St. Louis to Alberta is 20 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 275). Flying from St. Louis to Alberta in May is currently the most expensive (average of C$ 767). 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.

How much does it cost to fly round-trip from St. Louis to Alberta?

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.

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

    For as low as C$ 821, Delta can have you in Alberta from St. Louis in 6h 16m. There are 2393 km between St. Louis and Alberta. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 C$ 275). Flying from St. Louis to Alberta in May is currently the most expensive (average of C$ 767). 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?

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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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