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Cheap flights from Alberta to St. Louis from C$ 255

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 13/5. 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 Alberta to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:30 p.m. - 12:21 a.m.
YYC
-
STL
10h 51m
1 stop
Delta Logo
9:59 a.m. - 11:00 p.m.
STL
-
YYC
14h 01m
2 stops
C$ 485Delta
Sun, 12 Apr - Tue, 21 Apr
Delta Logo
12:29 p.m. - 12:25 a.m.
YYC
-
STL
10h 56m
1 stop
Delta Logo
10:50 a.m. - 8:05 p.m.
STL
-
YYC
10h 15m
1 stop
C$ 570Delta
Thu, 23 Apr - Mon, 27 Apr
Delta Logo
7:45 a.m. - 6:59 p.m.
YYC
-
STL
10h 14m
1 stop
Delta Logo
2:28 p.m. - 10:59 p.m.
STL
-
YYC
9h 31m
1 stop
C$ 573Delta
Tue, 14 Jul - Thu, 6 Aug
United Airlines Logo
3:17 p.m. - 11:57 p.m.
YEG
-
STL
7h 40m
1 stop
United Airlines Logo
4:48 p.m. - 10:04 p.m.
STL
-
YEG
6h 16m
1 stop
C$ 578United Airlines
Mon, 1 Jun - Tue, 2 Jun
United Airlines Logo
3:17 p.m. - 11:57 p.m.
YEG
-
STL
7h 40m
1 stop
United Airlines Logo
4:48 p.m. - 10:04 p.m.
STL
-
YEG
6h 16m
1 stop
C$ 580United Airlines
Mon, 1 Jun - Tue, 2 Jun
Delta Logo
12:29 p.m. - 12:25 a.m.
YYC
-
STL
10h 56m
1 stop
Delta Logo
2:20 p.m. - 11:00 p.m.
STL
-
YYC
9h 40m
1 stop
C$ 589Delta
Mon, 13 Apr - Fri, 17 Apr
Air Canada Logo
6:00 a.m. - 3:25 p.m.
YEG
-
STL
8h 25m
1 stop
Air Canada Logo
2:15 p.m. - 8:54 p.m.
STL
-
YEG
7h 39m
1 stop
C$ 593Air Canada
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
1:25 p.m. - 7:21 p.m.
YYC
-
STL
28h 56m
2 stops
Multiple Airlines Logo
8:23 p.m. - 11:00 a.m.
STL
-
YYC
15h 37m
1 stop
C$ 605Multiple Airlines
Thu, 23 Apr - Mon, 27 Apr
Multiple Airlines Logo
8:30 a.m. - 3:46 p.m.
YYC
-
STL
6h 16m
1 stop
Multiple Airlines Logo
7:05 a.m. - 6:43 p.m.
STL
-
YYC
12h 38m
1 stop
C$ 606Multiple Airlines
Tue, 2 Jun - Thu, 4 Jun
Air Canada Logo
6:00 a.m. - 8:00 p.m.
YEG
-
STL
13h 00m
1 stop
Air Canada Logo
8:55 a.m. - 5:01 p.m.
STL
-
YEG
9h 06m
1 stop
C$ 680Air Canada
Mon, 14 Sep - Sun, 20 Sep

Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
12 Apr
YYC12:30 p.m.Calgary
10h 51m
1 stop
STL12:21 a.m.Lambert-St Louis
21 Apr
STL9:59 a.m.Lambert-St Louis
14h 01m
2 stops
YYC11:00 p.m.Calgary
C$ 485
Delta
23 Apr
YYC12:29 p.m.Calgary
10h 56m
1 stop
STL12:25 a.m.Lambert-St Louis
27 Apr
STL10:50 a.m.Lambert-St Louis
10h 15m
1 stop
YYC8:05 p.m.Calgary
C$ 570
Delta
14 Jul
YYC7:45 a.m.Calgary
10h 14m
1 stop
STL6:59 p.m.Lambert-St Louis
6 Aug
STL2:28 p.m.Lambert-St Louis
9h 31m
1 stop
YYC10:59 p.m.Calgary
C$ 573

United Airlines flights from Alberta to St. Louis

Our best United Airlines deals on Alberta to St. Louis flight tickets
United Airlines
1 Jun
YEG3:17 p.m.Edmonton
7h 40m
1 stop
STL11:57 p.m.Lambert-St Louis
2 Jun
STL4:48 p.m.Lambert-St Louis
6h 16m
1 stop
YEG10:04 p.m.Edmonton
C$ 578
United Airlines
1 Jun
YEG3:17 p.m.Edmonton
7h 40m
1 stop
STL11:57 p.m.Lambert-St Louis
2 Jun
STL4:48 p.m.Lambert-St Louis
6h 16m
1 stop
YEG10:04 p.m.Edmonton
C$ 580
United Airlines
28 May
YYC12:28 p.m.Calgary
10h 51m
1 stop
STL12:19 a.m.Lambert-St Louis
1 Jun
STL1:13 p.m.Lambert-St Louis
10h 24m
1 stop
YYC10:37 p.m.Calgary
C$ 591

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 1 April 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

Sun 12/4

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

1 stop10h 51m

Lambert-St Louis

Tue 21/4

9:59 a.m.-11:00 p.m.

2 stops14h 01m

C$ 485

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 23/4

12:29 p.m.-12:25 a.m.

1 stop10h 56m

Lambert-St Louis

Mon 27/4

10:50 a.m.-8:05 p.m.

1 stop10h 15m

C$ 570

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 14/7

7:45 a.m.-6:59 p.m.

1 stop10h 14m

Lambert-St Louis

Thu 6/8

2:28 p.m.-10:59 p.m.

1 stop9h 31m

C$ 573
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 1/6

3:17 p.m.-11:57 p.m.

1 stop7h 40m

Lambert-St Louis

Tue 2/6

4:48 p.m.-10:04 p.m.

1 stop6h 16m

C$ 578

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 1/6

3:17 p.m.-11:57 p.m.

1 stop7h 40m

Lambert-St Louis

Tue 2/6

4:48 p.m.-10:04 p.m.

1 stop6h 16m

C$ 580

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 13/4

12:29 p.m.-12:25 a.m.

1 stop10h 56m

Lambert-St Louis

Fri 17/4

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

1 stop9h 40m

C$ 589

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 29/4

6:00 a.m.-3:25 p.m.

1 stop8h 25m

Lambert-St Louis

Wed 6/5

2:15 p.m.-8:54 p.m.

1 stop7h 39m

C$ 593

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 23/4

1:25 p.m.-7:21 p.m.

2 stops28h 56m

Lambert-St Louis

Mon 27/4

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

1 stop15h 37m

C$ 605

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 2/6

8:30 a.m.-3:46 p.m.

1 stop6h 16m

Lambert-St Louis

Thu 4/6

7:05 a.m.-6:43 p.m.

1 stop12h 38m

C$ 606

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 14/9

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

1 stop13h 00m

Lambert-St Louis

Sun 20/9

8:55 a.m.-5:01 p.m.

1 stop9h 06m

C$ 680

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 October is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 536. If you don’t want to visit St. Louis in October, then you should wait until July to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 580.

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 08m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 6h 08m
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$ 263Free CancellationRating
7.1
10,873 reviews
Search Air Canada flights
WestJetPriceFrom C$ 574Free CancellationRating
7.2
3,308 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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