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Cheap flights from Alberta to St. Louis from C$ 218

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alberta to St. Louis departing on 20/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Alberta to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:40 p.m. - 4:00 p.m.
YYC
-
STL
25h 20m
1 stop
American Airlines Logo
5:21 p.m. - 12:59 p.m.
STL
-
YYC
20h 38m
1 stop
C$ 457American Airlines
Mon, 20 Apr - Sat, 25 Apr
American Airlines Logo
1:40 p.m. - 11:47 a.m.
YYC
-
STL
21h 07m
1 stop
American Airlines Logo
8:57 a.m. - 9:44 p.m.
STL
-
YYC
13h 47m
2 stops
C$ 470American Airlines
Mon, 20 Apr - Sat, 25 Apr
Multiple Airlines Logo
12:20 p.m. - 6:50 a.m.
YYC
-
STL
41h 30m
2 stops
Multiple Airlines Logo
8:23 p.m. - 11:00 a.m.
STL
-
YYC
15h 37m
1 stop
C$ 480Multiple Airlines
Mon, 20 Apr - Sat, 25 Apr
Multiple Airlines Logo
12:00 p.m. - 9:00 p.m.
YYC
-
STL
8h 00m
1 stop
Multiple Airlines Logo
9:55 p.m. - 6:50 p.m.
STL
-
YYC
21h 55m
1 stop
C$ 492Multiple Airlines
Thu, 16 Apr - Sun, 19 Apr
American Airlines Logo
6:45 a.m. - 11:46 p.m.
YYC
-
STL
16h 01m
2 stops
American Airlines Logo
8:57 a.m. - 9:44 p.m.
STL
-
YYC
13h 47m
2 stops
C$ 529American Airlines
Mon, 20 Apr - Sat, 25 Apr
Delta Logo
12:30 p.m. - 12:21 a.m.
YYC
-
STL
10h 51m
1 stop
Delta Logo
2:12 p.m. - 11:02 p.m.
STL
-
YYC
9h 50m
1 stop
C$ 536Delta
Thu, 19 Mar - Sun, 22 Mar
Delta Logo
7:40 a.m. - 11:13 p.m.
YYC
-
STL
14h 33m
2 stops
Delta Logo
2:20 p.m. - 11:00 p.m.
STL
-
YYC
9h 40m
1 stop
C$ 537Delta
Fri, 24 Apr - Tue, 28 Apr
Multiple Airlines Logo
12:00 p.m. - 9:00 p.m.
YYC
-
STL
8h 00m
1 stop
Multiple Airlines Logo
9:55 p.m. - 9:56 p.m.
STL
-
YYC
25h 01m
2 stops
C$ 538Multiple Airlines
Thu, 16 Apr - Sun, 19 Apr
United Airlines Logo
6:00 a.m. - 1:08 p.m.
YEG
-
STL
6h 08m
1 stop
United Airlines Logo
8:54 a.m. - 2:08 p.m.
STL
-
YEG
6h 14m
1 stop
C$ 600United Airlines
Thu, 16 Apr - Tue, 21 Apr
United Airlines Logo
3:17 p.m. - 9:13 p.m.
YEG
-
STL
28h 56m
2 stops
United Airlines Logo
7:45 a.m. - 2:08 p.m.
STL
-
YEG
31h 23m
2 stops
C$ 656United Airlines
Fri, 17 Apr - Mon, 20 Apr

Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
19 Mar
YYC12:30 p.m.Calgary
10h 51m
1 stop
STL12:21 a.m.Lambert-St Louis
22 Mar
STL2:12 p.m.Lambert-St Louis
9h 50m
1 stop
YYC11:02 p.m.Calgary
C$ 536
Delta
24 Apr
YYC7:40 a.m.Calgary
14h 33m
2 stops
STL11:13 p.m.Lambert-St Louis
28 Apr
STL2:20 p.m.Lambert-St Louis
9h 40m
1 stop
YYC11:00 p.m.Calgary
C$ 537
Delta
20 Apr
YYC7:40 a.m.Calgary
14h 33m
2 stops
STL11:13 p.m.Lambert-St Louis
25 Apr
STL7:25 a.m.Lambert-St Louis
14h 15m
2 stops
YYC8:40 p.m.Calgary
C$ 574

United Airlines flights from Alberta to St. Louis

Our best United Airlines deals on Alberta to St. Louis flight tickets
United Airlines
17 Apr
YEG6:00 a.m.Edmonton
13h 54m
1 stop
STL8:54 p.m.Lambert-St Louis
20 Apr
STL8:54 a.m.Lambert-St Louis
14h 10m
1 stop
YEG10:04 p.m.Edmonton
C$ 692
United Airlines
10 May
YEG6:00 a.m.Edmonton
9h 57m
1 stop
STL4:57 p.m.Lambert-St Louis
20 May
STL8:46 a.m.Lambert-St Louis
14h 18m
1 stop
YEG10:04 p.m.Edmonton
C$ 737
United Airlines
3 Apr
YYC6:00 a.m.Calgary
9h 56m
1 stop
STL4:56 p.m.Lambert-St Louis
6 Apr
STL8:15 p.m.Lambert-St Louis
16h 17m
1 stop
YYC11:32 a.m.Calgary
C$ 758

momondo Fare Finder

 
Customize your flight search to find flights from Alberta to St. Louis 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 7 March 2026.
Use the filters below to find and compare flights from Alberta to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 20/4

1:40 p.m.-4:00 p.m.

1 stop25h 20m

Lambert-St Louis

Sat 25/4

5:21 p.m.-12:59 p.m.

1 stop20h 38m

C$ 457

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 20/4

1:40 p.m.-11:47 a.m.

1 stop21h 07m

Lambert-St Louis

Sat 25/4

8:57 a.m.-9:44 p.m.

2 stops13h 47m

C$ 470

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 20/4

12:20 p.m.-6:50 a.m.

2 stops41h 30m

Lambert-St Louis

Sat 25/4

8:23 p.m.-11:00 a.m.

1 stop15h 37m

C$ 480

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 16/4

12:00 p.m.-9:00 p.m.

1 stop8h 00m

Lambert-St Louis

Sun 19/4

9:55 p.m.-6:50 p.m.

1 stop21h 55m

C$ 492

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 20/4

6:45 a.m.-11:46 p.m.

2 stops16h 01m

Lambert-St Louis

Sat 25/4

8:57 a.m.-9:44 p.m.

2 stops13h 47m

C$ 529

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 19/3

12:30 p.m.-12:21 a.m.

1 stop10h 51m

Lambert-St Louis

Sun 22/3

2:12 p.m.-11:02 p.m.

1 stop9h 50m

C$ 536

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 24/4

7:40 a.m.-11:13 p.m.

2 stops14h 33m

Lambert-St Louis

Tue 28/4

2:20 p.m.-11:00 p.m.

1 stop9h 40m

C$ 537

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 16/4

12:00 p.m.-9:00 p.m.

1 stop8h 00m

Lambert-St Louis

Sun 19/4

9:55 p.m.-9:56 p.m.

2 stops25h 01m

C$ 538
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 16/4

6:00 a.m.-1:08 p.m.

1 stop6h 08m

Lambert-St Louis

Tue 21/4

8:54 a.m.-2:08 p.m.

1 stop6h 14m

C$ 600

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 17/4

3:17 p.m.-9:13 p.m.

2 stops28h 56m

Lambert-St Louis

Mon 20/4

7:45 a.m.-2:08 p.m.

2 stops31h 23m

C$ 656

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 St. Louis from

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

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 St. Louis?

The month of July is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 567. If you don’t want to visit St. Louis in July, then you should wait until April to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 585.

Cheap Alberta to St. Louis flight deals and tips

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

Fastest flight time

8h 00m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 8h 00m
There are no direct flights from Alberta to St. Louis. There are no popular flight routes from Alberta to St. Louis.
Search flight deals

  • When did momondo last update prices for flights from Alberta to Lambert-St Louis Airport?

    Prices for flights from Alberta to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Alberta to Lambert-St Louis Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alberta to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Alberta to St. Louis

Compare and see reviews for airlines that fly from Alberta to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 356Free CancellationRating
7.1
10,789 reviews
Search Air Canada flights
WestJetPriceFrom C$ 562Free CancellationRating
7.2
3,283 reviews
Search WestJet flights

Why use momondo?

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

It is quick and easy to find Alberta to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

momondo does allow users to show only those flights to St. Louis from Alberta which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Alberta to St. Louis 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 Alberta to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Alberta and alert you when they change.

An easier way to manage your St. Louis trip

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