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Cheap flights from St. Louis to Alberta from C$ 239

STL — YYC
31 Oct — 7 Nov1
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

Wed 11/116:44 p.m. -
1 stop18h 21m
Tue 17/111:25 a.m. -
1 stop15h 15m
Deal found 27/9C$ 450
Sat 7/117:59 p.m. -
2 stops27h 41m
Sun 15/119:25 p.m. -
2 stops19h 15m
Deal found 26/9C$ 699
Wed 18/116:44 p.m. -
1 stop18h 21m
Sat 21/118:10 a.m. -
2 stops14h 12m
Deal found 28/9C$ 714
Wed 25/116:35 p.m. -
1 stop18h 30m
Mon 30/116:00 p.m. -
2 stops40h 17m
Deal found 29/9C$ 716
Mon 26/108:00 p.m. -
2 stops16h 15m
Sun 1/111:25 a.m. -
1 stop15h 15m
Deal found 28/9C$ 720
Thu 12/116:00 a.m. -
2 stops18h 00m
Thu 19/118:45 a.m. -
1 stop8h 54m
Deal found 28/9C$ 727
Wed 9/126:04 a.m. -
1 stop16h 33m
Sun 13/129:07 a.m. -
1 stop13h 52m
Deal found 29/9C$ 748
Tue 24/116:00 a.m. -
1 stop16h 30m
Fri 27/119:00 a.m. -
1 stop13h 59m
Deal found 30/9C$ 763
Sun 22/114:05 p.m. -
1 stop9h 01m
Sat 28/117:00 a.m. -
1 stop7h 26m
Deal found 29/9C$ 768
Thu 12/112:20 p.m. -
1 stop10h 57m
Thu 19/111:35 p.m. -
1 stop10h 05m
Deal found 28/9C$ 774
Tue 10/112:20 p.m. -
1 stop10h 57m
Tue 17/112:20 p.m. -
1 stop8h 02m
Deal found 26/9C$ 792
Fri 11/122:47 p.m. -
1 stop10h 33m
Sun 13/125:15 p.m. -
2 stops16h 42m
Deal found 29/9C$ 836

Find flight deals from St. Louis to Alberta

Round-trip from

C$ 450

One-way from

C$ 239

Popular in

February

Cheapest in

April

Average price

C$ 940
11/11-17/11
  • 11/11-17/11
  • 2 total stops
  • 33h 36m total
  • St. Louis to Alberta
Search Deals
16/10-31/12
  • 16/10-31/12
  • 1 total stop
  • 17h 25m total
  • St. Louis to Alberta
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

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 16/10

6:35 p.m.-11:00 a.m.

1 stop17h 25m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 239

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 30/12

6:58 p.m.-1:35 p.m.

1 stop18h 37m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 426

St. LouisEdmonton

STL Lambert-St Louis - YEG Edmonton

STLYEG

Lambert-St Louis

Sun 15/11

6:00 a.m.-5:30 p.m.

3 stops35h 30m

Edmonton

Wed 31/12

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

Nonstop0h 00m

C$ 433

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Tue 6/10

7:02 a.m.-10:00 p.m.

2 stops15h 58m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 439

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 25/11

6:13 a.m.-7:10 p.m.

2 stops12h 57m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 440

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 7/10

7:02 a.m.-10:00 p.m.

2 stops15h 58m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 442

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Wed 7/10

12:28 p.m.-8:40 p.m.

1 stop9h 12m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 447

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Tue 6/10

12:28 p.m.-8:40 p.m.

1 stop9h 12m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 447
Quickest round-trip

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Fri 1/1

5:20 a.m.-1:35 p.m.

1 stop8h 15m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 456

St. LouisCalgary

STL Lambert-St Louis - YYC Calgary

STLYYC

Lambert-St Louis

Thu 31/12

5:20 a.m.-1:35 p.m.

1 stop8h 15m

Calgary

Wed 31/12

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

Nonstop0h 00m

C$ 456

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/9

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$ 834). Flying from St. Louis to Alberta in February is currently the most expensive (average of C$ 1,287). 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$ 893 and C$ 1,064 in November.
The cheapest round-trip price found within the last 5 days was C$ 450 on Multiple Airlines (11 Nov-17 Nov).

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$ 814, WestJet can have you in Alberta from St. Louis in 9h 49m. 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$ 834). Flying from St. Louis to Alberta in February is currently the most expensive (average of C$ 1,287). 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.

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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