Cheap flights from St. Louis to Alberta from C$ 196

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Alberta departing on 22/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Alberta

Cheap round-trip flights

 Logo
7:54 p.m. - 2:45 p.m.STL-YYC
19h 51m1 stop
 Logo
8:55 a.m. - 9:06 a.m.YYC-STL
23h 11m1 stop
C$ 376
Find Deal
Wed, 3 Sep - Sun, 7 Sep
 Logo
7:55 p.m. - 8:00 p.m.STL-YYC
25h 05m2 stops
 Logo
8:55 a.m. - 9:07 a.m.YYC-STL
23h 12m1 stop
C$ 421
Find Deal
Wed, 1 Oct - Mon, 6 Oct
American Airlines Logo
7:23 a.m. - 11:19 p.m.STL-YYC
16h 56m1 stop
American Airlines Logo
6:29 a.m. - 9:53 p.m.YYC-STL
14h 24m1 stop
C$ 469American Airlines
Find Deal
Thu, 18 Sep - Tue, 23 Sep
American Airlines Logo
8:04 p.m. - 12:34 p.m.STL-YYC
17h 30m1 stop
American Airlines Logo
1:29 p.m. - 8:09 a.m.YYC-STL
17h 40m1 stop
C$ 472American Airlines
Find Deal
Wed, 8 Oct - Mon, 13 Oct
United Airlines Logo
12:25 p.m. - 11:38 a.m.STL-YYC
24h 13m1 stop
United Airlines Logo
12:37 p.m. - 2:25 p.m.YYC-STL
24h 48m1 stop
C$ 549United Airlines
Find Deal
Thu, 23 Oct - Fri, 31 Oct
United Airlines Logo
6:35 a.m. - 10:04 p.m.STL-YEG
16h 29m2 stops
United Airlines Logo
3:17 p.m. - 2:19 p.m.YEG-STL
22h 02m2 stops
C$ 578United Airlines
Find Deal
Wed, 10 Sep - Wed, 17 Sep
Alaska Airlines Logo
3:57 p.m. - 10:46 a.m.STL-YEG
19h 49m1 stop
Alaska Airlines Logo
11:36 a.m. - 12:03 a.m.YEG-STL
11h 27m1 stop
C$ 661Alaska Airlines
Find Deal
Sat, 4 Oct - Fri, 10 Oct
Alaska Airlines Logo
6:30 p.m. - 10:49 a.m.STL-YEG
17h 19m1 stop
Alaska Airlines Logo
5:24 p.m. - 12:03 a.m.YEG-STL
29h 39m1 stop
C$ 715Alaska Airlines
Find Deal
Thu, 2 Oct - Thu, 9 Oct
Air Canada Logo
4:05 p.m. - 1:12 a.m.STL-YYC
10h 07m1 stop
Air Canada Logo
12:20 a.m. - 3:18 p.m.YYC-STL
13h 58m1 stop
C$ 723Air Canada
Find Deal
Wed, 3 Sep - Fri, 5 Sep
Air Canada Logo
5:15 a.m. - 2:10 p.m.STL-YEG
9h 55m2 stops
Air Canada Logo
8:00 a.m. - 8:46 p.m.YEG-STL
11h 46m2 stops
C$ 883Air Canada
Find Deal
Wed, 10 Sep - Wed, 17 Sep

United Airlines flights from St. Louis to Alberta

Our best United Airlines deals on St. Louis to Alberta flight tickets
United Airlines
23 Oct
STL12:25 p.m.Lambert-St Louis
24h 13m
1 stop
YYC11:38 a.m.Calgary
31 Oct
YYC12:37 p.m.Calgary
24h 48m
1 stop
STL2:25 p.m.Lambert-St Louis
United Airlines
10 Sep
STL6:35 a.m.Lambert-St Louis
16h 29m
2 stops
YEG10:04 p.m.Edmonton
17 Sep
YEG3:17 p.m.Edmonton
22h 02m
2 stops
STL2:19 p.m.Lambert-St Louis
United Airlines
23 Oct
STL12:25 p.m.Lambert-St Louis
24h 13m
1 stop
YYC11:38 a.m.Calgary
31 Oct
YYC12:37 p.m.Calgary
24h 48m
1 stop
STL2:25 p.m.Lambert-St Louis

American Airlines flights from St. Louis to Alberta

Our best American Airlines deals on St. Louis to Alberta flight tickets
American Airlines
18 Sep
STL7:23 a.m.Lambert-St Louis
16h 56m
1 stop
YYC11:19 p.m.Calgary
23 Sep
YYC6:29 a.m.Calgary
14h 24m
1 stop
STL9:53 p.m.Lambert-St Louis
American Airlines
8 Oct
STL8:04 p.m.Lambert-St Louis
17h 30m
1 stop
YYC12:34 p.m.Calgary
13 Oct
YYC1:29 p.m.Calgary
17h 40m
1 stop
STL8:09 a.m.Lambert-St Louis
American Airlines
18 Sep
STL6:05 a.m.Lambert-St Louis
18h 14m
1 stop
YYC11:19 p.m.Calgary
22 Sep
YYC6:29 a.m.Calgary
12h 56m
1 stop
STL8:25 p.m.Lambert-St Louis

momondo 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, momondo users made 96,600 searches. Data last updated 20 August 2025.
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

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 3/9

7:54 p.m.-2:45 p.m.

1 stop19h 51m

Calgary

Sun 7/9

8:55 a.m.-9:06 a.m.

1 stop23h 11m

C$ 376

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 1/10

7:55 p.m.-8:00 p.m.

2 stops25h 05m

Calgary

Mon 6/10

8:55 a.m.-9:07 a.m.

1 stop23h 12m

C$ 421

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 18/9

7:23 a.m.-11:19 p.m.

1 stop16h 56m

Calgary

Tue 23/9

6:29 a.m.-9:53 p.m.

1 stop14h 24m

C$ 469

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 8/10

8:04 p.m.-12:34 p.m.

1 stop17h 30m

Calgary

Mon 13/10

1:29 p.m.-8:09 a.m.

1 stop17h 40m

C$ 472

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 23/10

12:25 p.m.-11:38 a.m.

1 stop24h 13m

Calgary

Fri 31/10

12:37 p.m.-2:25 p.m.

1 stop24h 48m

C$ 549

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 10/9

6:35 a.m.-10:04 p.m.

2 stops16h 29m

Edmonton

Wed 17/9

3:17 p.m.-2:19 p.m.

2 stops22h 02m

C$ 578

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sat 4/10

3:57 p.m.-10:46 a.m.

1 stop19h 49m

Edmonton

Fri 10/10

11:36 a.m.-12:03 a.m.

1 stop11h 27m

C$ 661

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Thu 2/10

6:30 p.m.-10:49 a.m.

1 stop17h 19m

Edmonton

Thu 9/10

5:24 p.m.-12:03 a.m.

1 stop29h 39m

C$ 715

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 3/9

4:05 p.m.-1:12 a.m.

1 stop10h 07m

Calgary

Fri 5/9

12:20 a.m.-3:18 p.m.

1 stop13h 58m

C$ 723

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 10/9

5:15 a.m.-2:10 p.m.

2 stops9h 55m

Edmonton

Wed 17/9

8:00 a.m.-8:46 p.m.

2 stops11h 46m

C$ 883

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Alberta from

How to get the cheapest flight ticket from St. Louis to Alberta

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Alberta?

The month of January is, on average, the cheapest month to fly to Alberta from St. Louis, with most prices found around C$ 499. If you aren’t able to travel during the month of January, then book flights to Alberta from St. Louis during April instead. Flights to Alberta in April, while not as cheap as those in January, still average around C$ 675.

What is the cheapest day to depart on your flight to Alberta?

The cheapest day to depart on your flight to Alberta is on a Thursday when prices can be found for as low as C$ 299. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Alberta on a Monday will generally be more expensive and average around C$ 966. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Alberta?

According to our data, the cheapest time of day to fly to Alberta is at noon. momondo users have found flights departing from St. Louis to Alberta at noon for as low as C$ 491. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Alberta are more costly in the afternoon, with an average ticket price of C$ 800. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Alberta?

You are more likely to see cheaper flights to Alberta from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Alberta for around C$ 773 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alberta from St. Louis for as low as C$ 546 on momondo.

Cheap St. Louis to Alberta flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Alberta

Direct flights

None
There are no direct flights from St. Louis to Alberta. There are no popular flight routes from St. Louis to Alberta.
  • When did momondo last update prices for flights from Lambert-St Louis Airport to Alberta?

    Prices for flights from Lambert-St Louis Airport to Alberta were last updated today.

  • How old do you have to be to fly from Lambert-St Louis Airport to Alberta?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Alberta.

  • What documentation or ID do you need to fly to Alberta?

    The travel and health documents required for your trip to Alberta can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Alberta. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Alberta?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Alberta for you.

Can I find flights from St. Louis to Alberta with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Alberta flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Alberta?

Once you have performed a search for St. Louis to Alberta flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Alberta right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Alberta from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Mon 25/8
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