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Cheap flights from Alberta to St. Louis from C$ 277

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 6/8. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Alberta to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:20 a.m. - 9:40 a.m.
YYC
-
STL
8h 20m
1 stop
Multiple Airlines Logo
10:35 a.m. - 9:50 p.m.
STL
-
YYC
12h 15m
1 stop
C$ 569Multiple Airlines
Wed, 30 Sep - Mon, 5 Oct
Air Canada Logo
9:25 a.m. - 6:42 p.m.
YYC
-
STL
8h 17m
1 stop
Air Canada Logo
2:40 p.m. - 1:51 a.m.
STL
-
YYC
12h 11m
1 stop
C$ 570Air Canada
Tue, 25 Aug - Wed, 26 Aug
Air Canada Logo
9:25 a.m. - 6:42 p.m.
YYC
-
STL
8h 17m
1 stop
Air Canada Logo
8:55 a.m. - 1:51 a.m.
STL
-
YYC
17h 56m
1 stop
C$ 571Air Canada
Tue, 25 Aug - Wed, 26 Aug
Multiple Airlines Logo
12:20 a.m. - 9:40 a.m.
YYC
-
STL
8h 20m
1 stop
Multiple Airlines Logo
10:35 a.m. - 9:50 p.m.
STL
-
YYC
12h 15m
1 stop
C$ 574Multiple Airlines
Wed, 30 Sep - Mon, 5 Oct
WestJet Logo
7:00 a.m. - 10:28 a.m.
YYC
-
STL
26h 28m
2 stops
WestJet Logo
6:21 a.m. - 7:40 p.m.
STL
-
YYC
14h 19m
2 stops
C$ 630WestJet
Fri, 24 Jul - Sun, 26 Jul
WestJet Logo
6:25 p.m. - 9:43 a.m.
YEG
-
STL
14h 18m
2 stops
WestJet Logo
6:21 a.m. - 12:44 a.m.
STL
-
YEG
19h 23m
2 stops
C$ 719WestJet
Thu, 9 Jul - Thu, 16 Jul
United Airlines Logo
6:00 a.m. - 11:44 p.m.
YEG
-
STL
16h 44m
1 stop
United Airlines Logo
4:39 p.m. - 10:04 p.m.
STL
-
YEG
6h 25m
1 stop
C$ 740United Airlines
Thu, 24 Sep - Sat, 26 Sep
United Airlines Logo
6:00 a.m. - 11:57 p.m.
YEG
-
STL
16h 57m
1 stop
United Airlines Logo
5:10 a.m. - 2:08 p.m.
STL
-
YEG
9h 58m
1 stop
C$ 774United Airlines
Sun, 26 Jul - Sun, 2 Aug
Delta Logo
6:10 a.m. - 8:35 p.m.
YEG
-
STL
13h 25m
2 stops
Delta Logo
11:16 a.m. - 4:55 p.m.
STL
-
YEG
6h 39m
1 stop
C$ 813Delta
Thu, 24 Sep - Sat, 26 Sep
Delta Logo
9:40 a.m. - 8:35 p.m.
YEG
-
STL
9h 55m
2 stops
Delta Logo
11:16 a.m. - 4:55 p.m.
STL
-
YEG
6h 39m
1 stop
C$ 814Delta
Thu, 24 Sep - Sat, 26 Sep

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Air Canada flights from Alberta to St. Louis

Our best Air Canada deals on Alberta to St. Louis flight tickets
Air Canada
25 Aug
YYC9:25 a.m.Calgary
8h 17m
1 stop
STL6:42 p.m.Lambert-St Louis
26 Aug
STL2:40 p.m.Lambert-St Louis
12h 11m
1 stop
YYC1:51 a.m.Calgary
C$ 570
Air Canada
25 Aug
YYC9:25 a.m.Calgary
8h 17m
1 stop
STL6:42 p.m.Lambert-St Louis
26 Aug
STL8:55 a.m.Lambert-St Louis
17h 56m
1 stop
YYC1:51 a.m.Calgary
C$ 571
Air Canada
23 Jul
YYC7:45 p.m.Calgary
17h 17m
1 stop
STL2:02 p.m.Lambert-St Louis
26 Jul
STL8:55 a.m.Lambert-St Louis
17h 26m
1 stop
YYC1:21 a.m.Calgary
C$ 583

Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
24 Sep
YEG6:10 a.m.Edmonton
13h 25m
2 stops
STL8:35 p.m.Lambert-St Louis
26 Sep
STL11:16 a.m.Lambert-St Louis
6h 39m
1 stop
YEG4:55 p.m.Edmonton
C$ 813
Delta
24 Sep
YEG9:40 a.m.Edmonton
9h 55m
2 stops
STL8:35 p.m.Lambert-St Louis
26 Sep
STL11:16 a.m.Lambert-St Louis
6h 39m
1 stop
YEG4:55 p.m.Edmonton
C$ 814
Delta
24 Sep
YEG7:30 a.m.Edmonton
12h 05m
2 stops
STL8:35 p.m.Lambert-St Louis
26 Sep
STL11:16 a.m.Lambert-St Louis
6h 39m
1 stop
YEG4:55 p.m.Edmonton
C$ 824

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 11 June 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

Wed 30/9

12:20 a.m.-9:40 a.m.

1 stop8h 20m

Lambert-St Louis

Mon 5/10

10:35 a.m.-9:50 p.m.

1 stop12h 15m

C$ 569

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 25/8

9:25 a.m.-6:42 p.m.

1 stop8h 17m

Lambert-St Louis

Wed 26/8

2:40 p.m.-1:51 a.m.

1 stop12h 11m

C$ 570

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 25/8

9:25 a.m.-6:42 p.m.

1 stop8h 17m

Lambert-St Louis

Wed 26/8

8:55 a.m.-1:51 a.m.

1 stop17h 56m

C$ 571

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 30/9

12:20 a.m.-9:40 a.m.

1 stop8h 20m

Lambert-St Louis

Mon 5/10

10:35 a.m.-9:50 p.m.

1 stop12h 15m

C$ 574

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 24/7

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

2 stops26h 28m

Lambert-St Louis

Sun 26/7

6:21 a.m.-7:40 p.m.

2 stops14h 19m

C$ 630

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 9/7

6:25 p.m.-9:43 a.m.

2 stops14h 18m

Lambert-St Louis

Thu 16/7

6:21 a.m.-12:44 a.m.

2 stops19h 23m

C$ 719

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 24/9

6:00 a.m.-11:44 p.m.

1 stop16h 44m

Lambert-St Louis

Sat 26/9

4:39 p.m.-10:04 p.m.

1 stop6h 25m

C$ 740

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sun 26/7

6:00 a.m.-11:57 p.m.

1 stop16h 57m

Lambert-St Louis

Sun 2/8

5:10 a.m.-2:08 p.m.

1 stop9h 58m

C$ 774

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 24/9

6:10 a.m.-8:35 p.m.

2 stops13h 25m

Lambert-St Louis

Sat 26/9

11:16 a.m.-4:55 p.m.

1 stop6h 39m

C$ 813
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 24/9

9:40 a.m.-8:35 p.m.

2 stops9h 55m

Lambert-St Louis

Sat 26/9

11:16 a.m.-4:55 p.m.

1 stop6h 39m

C$ 814

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$ 263. 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$ 319.

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

6h 04m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 6h 04m
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$ 263Free CancellationRating
7.1
11,165 reviews
Search Air Canada flights
DeltaPriceFrom C$ 319Free CancellationRating
7.9
8,398 reviews
Search Delta flights
WestJetPriceFrom C$ 672Free CancellationRating
7.2
3,357 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.

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