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Cheap flights from Alberta to St. Louis from C$ 299

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 14/7. 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
6:45 a.m. - 11:59 p.m.
YYC
-
STL
16h 14m
1 stop
American Airlines Logo
1:25 p.m. - 11:49 p.m.
STL
-
YYC
11h 24m
1 stop
C$ 520American Airlines
Thu, 18 Jun - Tue, 7 Jul
American Airlines Logo
1:41 p.m. - 8:31 a.m.
YYC
-
STL
17h 50m
1 stop
American Airlines Logo
7:03 a.m. - 11:42 p.m.
STL
-
YYC
17h 39m
1 stop
C$ 530American Airlines
Thu, 18 Jun - Wed, 24 Jun
United Airlines Logo
6:00 a.m. - 8:38 p.m.
YYC
-
STL
13h 38m
1 stop
United Airlines Logo
5:30 p.m. - 10:36 p.m.
STL
-
YYC
6h 06m
1 stop
C$ 545United Airlines
Wed, 9 Sep - Sat, 12 Sep
Delta Logo
2:00 p.m. - 12:36 a.m.
YYC
-
STL
9h 36m
1 stop
Delta Logo
2:15 p.m. - 11:13 p.m.
STL
-
YYC
9h 58m
1 stop
C$ 583Delta
Thu, 15 Oct - Sun, 18 Oct
WestJet Logo
7:00 a.m. - 10:28 a.m.
YYC
-
STL
26h 28m
2 stops
WestJet Logo
6:20 a.m. - 12:44 a.m.
STL
-
YYC
19h 24m
2 stops
C$ 588WestJet
Sat, 1 Aug - Mon, 3 Aug
WestJet Logo
7:00 a.m. - 10:28 a.m.
YYC
-
STL
26h 28m
2 stops
WestJet Logo
3:39 p.m. - 11:00 a.m.
STL
-
YYC
20h 21m
1 stop
C$ 597WestJet
Sat, 1 Aug - Mon, 3 Aug
Air Canada Logo
1:00 a.m. - 2:00 p.m.
YEG
-
STL
12h 00m
1 stop
Air Canada Logo
12:10 p.m. - 9:40 p.m.
STL
-
YEG
10h 30m
1 stop
C$ 597Air Canada
Mon, 21 Sep - Sat, 3 Oct
United Airlines Logo
3:17 p.m. - 11:45 p.m.
YEG
-
STL
7h 28m
1 stop
United Airlines Logo
4:40 p.m. - 10:04 p.m.
STL
-
YEG
6h 24m
1 stop
C$ 614United Airlines
Tue, 20 Oct - Wed, 21 Oct
Air Canada Logo
6:00 a.m. - 2:02 p.m.
YEG
-
STL
7h 02m
1 stop
Air Canada Logo
8:55 a.m. - 5:03 p.m.
STL
-
YEG
9h 08m
1 stop
C$ 670Air Canada
Tue, 18 Aug - Wed, 2 Sep
Delta Logo
9:40 a.m. - 4:52 p.m.
YEG
-
STL
6h 12m
1 stop
Delta Logo
11:00 a.m. - 9:40 p.m.
STL
-
YEG
11h 40m
2 stops
C$ 695Delta
Wed, 12 Aug - Wed, 26 Aug

United Airlines flights from Alberta to St. Louis

Our best United Airlines deals on Alberta to St. Louis flight tickets
United Airlines
9 Sep
YYC6:00 a.m.Calgary
13h 38m
1 stop
STL8:38 p.m.Lambert-St Louis
12 Sep
STL5:30 p.m.Lambert-St Louis
6h 06m
1 stop
YYC10:36 p.m.Calgary
C$ 545
United Airlines
20 Oct
YEG3:17 p.m.Edmonton
7h 28m
1 stop
STL11:45 p.m.Lambert-St Louis
21 Oct
STL4:40 p.m.Lambert-St Louis
6h 24m
1 stop
YEG10:04 p.m.Edmonton
C$ 614
United Airlines
20 Oct
YEG3:17 p.m.Edmonton
7h 28m
1 stop
STL11:45 p.m.Lambert-St Louis
21 Oct
STL4:40 p.m.Lambert-St Louis
6h 24m
1 stop
YEG10:04 p.m.Edmonton
C$ 630

Air Canada flights from Alberta to St. Louis

Our best Air Canada deals on Alberta to St. Louis flight tickets
Air Canada
21 Sep
YEG1:00 a.m.Edmonton
12h 00m
1 stop
STL2:00 p.m.Lambert-St Louis
3 Oct
STL12:10 p.m.Lambert-St Louis
10h 30m
1 stop
YEG9:40 p.m.Edmonton
C$ 597
Air Canada
18 Aug
YEG6:00 a.m.Edmonton
7h 02m
1 stop
STL2:02 p.m.Lambert-St Louis
2 Sep
STL8:55 a.m.Lambert-St Louis
9h 08m
1 stop
YEG5:03 p.m.Edmonton
C$ 670
Air Canada
24 Jun
YEG6:00 p.m.Edmonton
17h 21m
1 stop
STL12:21 p.m.Lambert-St Louis
1 Jul
STL8:55 a.m.Lambert-St Louis
9h 08m
1 stop
YEG5:03 p.m.Edmonton
C$ 676

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 31 May 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

Thu 18/6

6:45 a.m.-11:59 p.m.

1 stop16h 14m

Lambert-St Louis

Tue 7/7

1:25 p.m.-11:49 p.m.

1 stop11h 24m

C$ 520

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 18/6

1:41 p.m.-8:31 a.m.

1 stop17h 50m

Lambert-St Louis

Wed 24/6

7:03 a.m.-11:42 p.m.

1 stop17h 39m

C$ 530

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 9/9

6:00 a.m.-8:38 p.m.

1 stop13h 38m

Lambert-St Louis

Sat 12/9

5:30 p.m.-10:36 p.m.

1 stop6h 06m

C$ 545

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 15/10

2:00 p.m.-12:36 a.m.

1 stop9h 36m

Lambert-St Louis

Sun 18/10

2:15 p.m.-11:13 p.m.

1 stop9h 58m

C$ 583

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 1/8

7:00 a.m.-10:28 a.m.

2 stops26h 28m

Lambert-St Louis

Mon 3/8

6:20 a.m.-12:44 a.m.

2 stops19h 24m

C$ 588

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 1/8

7:00 a.m.-10:28 a.m.

2 stops26h 28m

Lambert-St Louis

Mon 3/8

3:39 p.m.-11:00 a.m.

1 stop20h 21m

C$ 597

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 21/9

1:00 a.m.-2:00 p.m.

1 stop12h 00m

Lambert-St Louis

Sat 3/10

12:10 p.m.-9:40 p.m.

1 stop10h 30m

C$ 597
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 20/10

3:17 p.m.-11:45 p.m.

1 stop7h 28m

Lambert-St Louis

Wed 21/10

4:40 p.m.-10:04 p.m.

1 stop6h 24m

C$ 614

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 18/8

6:00 a.m.-2:02 p.m.

1 stop7h 02m

Lambert-St Louis

Wed 2/9

8:55 a.m.-5:03 p.m.

1 stop9h 08m

C$ 670

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 12/8

9:40 a.m.-4:52 p.m.

1 stop6h 12m

Lambert-St Louis

Wed 26/8

11:00 a.m.-9:40 p.m.

2 stops11h 40m

C$ 695

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 August is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 261. If you don’t want to visit St. Louis in August, then you should wait until July to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 316.

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

7h 28m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 7h 28m
There are no direct flights from Alberta to St. Louis. There are no popular flight routes from Alberta to St. Louis.
Search flight deals

Frequently asked questions about flying from Alberta to St. Louis

  • 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$ 260Free CancellationRating
7.1
11,107 reviews
Search Air Canada flights
DeltaPriceFrom C$ 316Free CancellationRating
7.9
8,410 reviews
Search Delta flights
WestJetPriceFrom C$ 665Free CancellationRating
7.2
3,350 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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