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Cheap flights from Alberta to St. Louis from C$ 241

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 14/10. 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

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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.
Multiple Airlines Logo
7:00 a.m. - 9:40 a.m.YYC  Calgary-STL Lambert-St Louis
25h 40m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
10:35 a.m. - 11:00 a.m.STL  Lambert-St Louis-YYC Calgary
25h 25m1 stop Atlanta Hartsfield-Jackson
C$ 438Multiple Airlines
Wed, 14 Oct - Sun, 18 Oct
Multiple Airlines Logo
7:00 a.m. - 9:40 a.m.YYC  Calgary-STL Lambert-St Louis
25h 40m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
10:35 a.m. - 11:00 a.m.STL  Lambert-St Louis-YYC Calgary
25h 25m1 stop Atlanta Hartsfield-Jackson
C$ 456Multiple Airlines
Wed, 14 Oct - Fri, 23 Oct
WestJet Logo
10:15 a.m. - 11:16 p.m.YYC  Calgary-STL Lambert-St Louis
12h 01m1 stop Minneapolis St Paul
WestJet Logo
11:21 a.m. - 5:00 p.m.STL  Lambert-St Louis-YYC Calgary
6h 39m1 stop Minneapolis St Paul
C$ 492WestJet
Mon, 21 Sep - Wed, 23 Sep
WestJet Logo
12:20 a.m. - 4:32 p.m.YYC  Calgary-STL Lambert-St Louis
15h 12m1 stop Atlanta Hartsfield-Jackson
WestJet Logo
1:55 p.m. - 8:15 p.m.STL  Lambert-St Louis-YYC Calgary
7h 20m1 stop Detroit Metropolitan Wayne County
C$ 494WestJet
Fri, 25 Sep - Tue, 29 Sep
Delta Logo
12:33 p.m. - 12:44 a.m.YYC  Calgary-STL Lambert-St Louis
11h 11m1 stop Salt Lake City
Delta Logo
12:28 p.m. - 8:40 p.m.STL  Lambert-St Louis-YYC Calgary
9h 12m1 stop Minneapolis St Paul
C$ 515Delta
Tue, 27 Oct - Fri, 30 Oct
Delta Logo
6:35 a.m. - 5:44 p.m.YYC  Calgary-STL Lambert-St Louis
10h 09m1 stop Salt Lake City
Delta Logo
2:22 p.m. - 11:10 p.m.STL  Lambert-St Louis-YYC Calgary
9h 48m1 stop Salt Lake City
C$ 516Delta
Tue, 27 Oct - Fri, 30 Oct
Air Canada Logo
11:10 a.m. - 8:00 p.m.YEG  Edmonton-STL Lambert-St Louis
7h 50m1 stop Toronto Pearson Intl
Air Canada Logo
12:10 p.m. - 9:40 p.m.STL  Lambert-St Louis-YEG Edmonton
10h 30m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 791Air Canada
Wed, 14 Oct - Sat, 17 Oct
Air Canada Logo
11:10 a.m. - 8:00 p.m.YEG  Edmonton-STL Lambert-St Louis
7h 50m1 stop Toronto Pearson Intl
Air Canada Logo
12:10 p.m. - 9:40 p.m.STL  Lambert-St Louis-YEG Edmonton
10h 30m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 791Air Canada
Wed, 14 Oct - Sun, 18 Oct
United Airlines Logo
6:00 a.m. - 8:36 p.m.YEG  Edmonton-STL Lambert-St Louis
13h 36m1 stop Denver Intl
United Airlines Logo
9:00 a.m. - 10:04 p.m.STL  Lambert-St Louis-YEG Edmonton
14h 04m1 stop Denver Intl
C$ 936United Airlines
Wed, 21 Oct - Fri, 23 Oct
United Airlines Logo
6:00 a.m. - 4:37 p.m.YEG  Edmonton-STL Lambert-St Louis
9h 37m1 stop Denver Intl
United Airlines Logo
9:00 a.m. - 10:04 p.m.STL  Lambert-St Louis-YEG Edmonton
14h 04m1 stop Denver Intl
C$ 937United Airlines
Wed, 21 Oct - Fri, 23 Oct

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WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
21 Sep
YYC10:15 a.m.Calgary
12h 01m
1 stop
STL11:16 p.m.Lambert-St Louis
23 Sep
STL11:21 a.m.Lambert-St Louis
6h 39m
1 stop
YYC5:00 p.m.Calgary
C$ 492
WestJet
26 Sep
YYC7:00 a.m.Calgary
8h 47m
2 stops
STL4:47 p.m.Lambert-St Louis
29 Sep
STL1:55 p.m.Lambert-St Louis
7h 20m
1 stop
YYC8:15 p.m.Calgary
C$ 494
WestJet
23 Aug
YYC10:15 a.m.Calgary
12h 11m
1 stop
STL11:26 p.m.Lambert-St Louis
25 Aug
STL12:52 p.m.Lambert-St Louis
23h 08m
1 stop
YYC11:00 a.m.Calgary
C$ 495

Air Canada flights from Alberta to St. Louis

Our best Air Canada deals on Alberta to St. Louis flight tickets
Air Canada
14 Oct
YEG11:10 a.m.Edmonton
7h 50m
1 stop
STL8:00 p.m.Lambert-St Louis
17 Oct
STL12:10 p.m.Lambert-St Louis
10h 30m
1 stop
YEG9:40 p.m.Edmonton
C$ 791
Air Canada
13 Sep
YEG6:00 a.m.Edmonton
7h 00m
1 stop
STL2:00 p.m.Lambert-St Louis
19 Sep
STL12:10 p.m.Lambert-St Louis
10h 40m
1 stop
YEG9:50 p.m.Edmonton
C$ 793
Air Canada
17 Dec
YEG7:00 a.m.Edmonton
7h 26m
1 stop
STL2:26 p.m.Lambert-St Louis
5 Jan
STL4:05 p.m.Lambert-St Louis
9h 18m
1 stop
YEG1:23 a.m.Edmonton
C$ 795

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 August 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 Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Wed 14/10

7:00 a.m.-9:40 a.m.

1 stop25h 40m

Lambert-St Louis

Sun 18/10

10:35 a.m.-11:00 a.m.

1 stop25h 25m

C$ 438

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Wed 14/10

7:00 a.m.-9:40 a.m.

1 stop25h 40m

Lambert-St Louis

Fri 23/10

10:35 a.m.-11:00 a.m.

1 stop25h 25m

C$ 456

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Mon 21/9

10:15 a.m.-11:16 p.m.

1 stop12h 01m

Lambert-St Louis

Wed 23/9

11:21 a.m.-5:00 p.m.

1 stop6h 39m

C$ 492

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Fri 25/9

12:20 a.m.-4:32 p.m.

1 stop15h 12m

Lambert-St Louis

Tue 29/9

1:55 p.m.-8:15 p.m.

1 stop7h 20m

C$ 494

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Tue 27/10

12:33 p.m.-12:44 a.m.

1 stop11h 11m

Lambert-St Louis

Fri 30/10

12:28 p.m.-8:40 p.m.

1 stop9h 12m

C$ 515

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Tue 27/10

6:35 a.m.-5:44 p.m.

1 stop10h 09m

Lambert-St Louis

Fri 30/10

2:22 p.m.-11:10 p.m.

1 stop9h 48m

C$ 516
Quickest round-trip

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Wed 14/10

11:10 a.m.-8:00 p.m.

1 stop7h 50m

Lambert-St Louis

Sat 17/10

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

1 stop10h 30m

C$ 791

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Wed 14/10

11:10 a.m.-8:00 p.m.

1 stop7h 50m

Lambert-St Louis

Sun 18/10

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

1 stop10h 30m

C$ 791

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Wed 21/10

6:00 a.m.-8:36 p.m.

1 stop13h 36m

Lambert-St Louis

Fri 23/10

9:00 a.m.-10:04 p.m.

1 stop14h 04m

C$ 936

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Wed 21/10

6:00 a.m.-4:37 p.m.

1 stop9h 37m

Lambert-St Louis

Fri 23/10

9:00 a.m.-10:04 p.m.

1 stop14h 04m

C$ 937

Flights are sorted by cheapest round-trip flights 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 May is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 446. If you don’t want to visit St. Louis in May, then you should wait until March to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 548.

Can stopping save me money on Alberta to St. Louis flights?

You could potentially save up to 10% on your flight if you consider stops on a Alberta to St. Louis flight.

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 33m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 6h 33m
There are no direct flights from Alberta to St. Louis. There are no popular flight routes from Alberta to St. Louis.
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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
DeltaPriceFrom C$ 348Free CancellationRating
7.8
8,506 reviews
Search Delta flights
United AirlinesPriceFrom C$ 397Free CancellationRating
7.4
10,102 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 546Free CancellationRating
7.1
11,462 reviews
Search Air Canada flights
WestJetPriceFrom C$ 570Free CancellationRating
7.2
3,430 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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