Cheap flights from St. Louis to Alberta from C$ 343

STL — YYC
12 Dec — 19 Dec1
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

Mon 7/1212:02 p.m. -
1 stop24h 03m
Tue 15/129:50 a.m. -
2 stops25h 14m
Deal found 9/11C$ 660
Tue 8/126:20 p.m. -
3 stops28h 22m
Tue 15/127:00 a.m. -
2 stops28h 04m
Deal found 10/11C$ 708
Sat 5/127:54 p.m. -
2 stops15h 21m
Sat 12/129:50 a.m. -
3 stops38h 22m
Deal found 7/11C$ 718
Tue 24/113:30 p.m. -
1 stop6h 28m
Fri 27/112:20 p.m. -
1 stop5h 11m
Deal found 9/11C$ 727
Tue 8/128:40 a.m. -
1 stop6h 35m
Tue 15/127:00 a.m. -
1 stop5h 56m
Deal found 10/11C$ 1,095
Fri 4/128:40 a.m. -
1 stop6h 35m
Mon 7/127:00 a.m. -
1 stop13h 57m
Deal found 11/11C$ 1,168
Fri 4/126:30 a.m. -
2 stops8h 52m
Mon 7/129:15 p.m. -
2 stops25h 44m
Deal found 10/11C$ 1,209
Wed 23/125:16 p.m. -
2 stops21h 14m
Sun 3/19:15 a.m. -
1 stop14h 13m
Deal found 9/11C$ 1,286

Find flight deals from St. Louis to Alberta

Round-trip from

C$ 654

One-way from

C$ 343

Popular in

February

Cheapest in

April

Average price

C$ 862
9/1-14/1
  • 9/1-14/1
  • 3 total stops
  • 29h 15m total
  • St. Louis to Alberta
23/12-31/12
  • 23/12-31/12
  • 2 total stops
  • 24h 49m total
  • St. Louis to Alberta
Highest demand for flights based on searches. 2% potential increase in price (C$ 32 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 44 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

Wed 23/12

4:21 p.m.-4:10 p.m.

2 stops24h 49m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 343

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 25/12

6:00 a.m.-8:33 p.m.

1 stop15h 33m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 410

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 25/12

6:30 a.m.-9:25 p.m.

2 stops15h 55m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 451

St. LouisEdmonton

STL Lambert-St Louis - YEG Edmonton

STLYEG

Lambert-St Louis

Fri 25/12

6:30 a.m.-3:00 p.m.

1 stop9h 30m

Edmonton

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 475
Quickest round-trip

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 23/12

2:25 p.m.-9:53 p.m.

1 stop8h 28m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 542

St. LouisEdmonton

STL Lambert-St Louis - YEG Edmonton

STLYEG

Lambert-St Louis

Fri 25/12

6:21 p.m.-10:55 p.m.

3 stops53h 34m

Edmonton

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 545

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 25/12

6:21 p.m.-10:15 a.m.

3 stops40h 54m

Calgary

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 546

St. LouisEdmonton

STL Lambert-St Louis - YEG Edmonton

STLYEG

Lambert-St Louis

Fri 25/12

6:01 a.m.-8:33 p.m.

2 stops15h 32m

Edmonton

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 562

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 6/1

8:52 a.m.-9:53 p.m.

1 stop14h 01m

Calgary

Thu 7/1

10:40 a.m.-5:54 p.m.

1 stop6h 14m

C$ 727

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Sun 6/12

2:15 p.m.-11:21 p.m.

1 stop10h 06m

Calgary

Wed 9/12

2:25 p.m.-12:26 a.m.

1 stop9h 01m

C$ 727

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 26 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 C$ 802). Flying from St. Louis to Alberta in February is currently the most expensive (average of C$ 1,289). 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 C$ 839 and C$ 950 in January.
The cheapest round-trip price found within the last 5 days was C$ 654 on Multiple Airlines (9 Jan-14 Jan).

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 56 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.

Related info for your journey

  • 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$ 727, United Airlines can have you in Alberta from St. Louis in 10h 06m. There are 2297 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, April is the cheapest month in which you can book a flight from St. Louis to Alberta (average of C$ 802). Flying from St. Louis to Alberta in February is currently the most expensive (average of C$ 1,289). 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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How does Cheapflights help users find flights from St. Louis to Alberta?

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.

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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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