Alberta

$288+ Cheap flights from St. Louis (STL) to Alberta

STL — YYC
Dec 15 — Dec 221
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Cheap flight deals from St. Louis to Alberta

Cheapest flights from St. Louis to Alberta

Mon 12/77:54 pm -
3 stops25h 36m
Tue 12/159:50 am -
2 stops25h 14m
Deal found 11/11$483
Tue 12/86:20 pm -
3 stops28h 22m
Tue 12/157:00 am -
2 stops28h 04m
Deal found 11/10$498
Wed 12/96:04 am -
1 stop15h 33m
Sun 12/139:07 am -
1 stop14h 52m
Deal found 11/13$511
Mon 11/306:50 pm -
2 stops19h 13m
Mon 12/77:00 am -
1 stop13h 57m
Deal found 11/12$516
Wed 12/910:06 am -
2 stops14h 15m
Sun 12/138:45 am -
1 stop7h 45m
Deal found 11/12$521
Wed 12/306:21 pm -
1 stop24h 34m
Wed 1/68:45 am -
2 stops33h 04m
Deal found 11/13$527
Fri 12/42:50 pm -
1 stop8h 03m
Sat 12/53:06 pm -
1 stop5h 51m
Deal found 11/13$532
Wed 12/306:21 pm -
1 stop24h 34m
Thu 1/710:00 am -
1 stop11h 37m
Deal found 11/13$536
Fri 12/117:54 pm -
2 stops15h 21m
Thu 12/171:25 am -
1 stop9h 28m
Deal found 11/13$538
Sat 12/197:03 pm -
2 stops27h 39m
Sun 1/37:30 am -
1 stop9h 12m
Deal found 11/13$651
Sat 12/197:03 pm -
2 stops28h 52m
Sat 1/25:10 pm -
3 stops31h 31m
Deal found 11/12$723
Tue 12/88:40 am -
1 stop6h 35m
Tue 12/157:00 am -
1 stop5h 56m
Deal found 11/10$770

Find flight deals from St. Louis to Alberta

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$445
(Mytrip)

One-way from

$288
(Alaska Airlines)

Popular in

February

Cheapest in

April

Average price

$606
Provider with most accurate pricing for Lambert-St Louis-Calgary flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Calgary flights.
From Lambert-St Louis to Alberta
One-way flight from Lambert-St Louis to Alberta
Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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 Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 12/25

6:00 am-8:33 pm

1 stop15h 33m

Calgary

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$288

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 12/25

6:30 am-9:25 pm

2 stops15h 55m

Calgary

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$317

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 12/25

6:21 pm-10:15 am

3 stops40h 54m

Calgary

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$384

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Tue 11/17

5:48 pm-11:05 am

1 stop18h 17m

Calgary

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$480
Quickest round-trip

St. LouisEdmonton

STL Lambert-St Louis - YEG Edmonton

STLYEG

Lambert-St Louis

Mon 12/28

6:30 am-3:00 pm

1 stop9h 30m

Edmonton

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$503

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 12/9

6:30 am-11:35 am

1 stop6h 05m

Calgary

Sun 12/13

7:00 am-1:53 pm

1 stop5h 53m

$511

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 1/6

8:52 am-9:53 pm

1 stop14h 01m

Calgary

Thu 1/7

10:40 am-5:54 pm

1 stop6h 14m

$511

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 12/9

2:17 pm-11:21 pm

2 stops10h 04m

Calgary

Sun 12/13

1:43 pm-1:46 am

1 stop11h 03m

$521

St. LouisEdmonton

STL Lambert-St Louis - YEG Edmonton

STLYEG

Lambert-St Louis

Tue 12/8

6:20 pm-11:20 pm

2 stops30h 00m

Edmonton

Tue 12/15

7:00 am-12:04 pm

2 stops28h 04m

$521

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 1/8

3:26 pm-9:01 pm

1 stop6h 35m

Calgary

Sun 1/17

7:15 am-5:40 pm

2 stops9h 25m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 23 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

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 $564). Flying from St. Louis to Alberta in February is currently the most expensive (average of $906). 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?

Airfare is below average for this route at the moment.
St. Louis to Alberta flights typically cost between $590 and $668 in January.
The cheapest round-trip price found within the last 5 days was $445 on Multiple Airlines (Jan 6-Jan 12).

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

The price you pay for your flight from St. Louis to Alberta may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Alberta

See what other customers who have flown with Delta,United Airlines, andWestJet from St. Louis to Alberta have to say. 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.

Overall

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Overall

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Overall

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Overall

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Overall

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Overall

7.8

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • 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.

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

    A quick flight from St. Louis to Alberta can take about 6h 05m. United Airlines provides one of the quickest options available for as low as $511. The distance between St. Louis and Alberta is about 1427 mi. This flight may include one or multiple stops.

  • 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 Delta ($185), United Airlines ($185), and Air Canada ($189).

  • What are the most popular routes from St. Louis to Alberta?

  • 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 $564). Flying from St. Louis to Alberta in February is currently the most expensive (average of $906). 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

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from St. Louis to Alberta

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$266Average$652FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$407Average$805FlexibilityNo cancel feeOn-time67%
WestJetCheapest$434Average$680FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$483Average$718FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$557Average$691FlexibilityNo cancel feeOn-time71%

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