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Cheap flights from Alberta to St. Louis from C$ 230

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 11/9. 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$ 456Multiple Airlines
Wed, 14 Oct - Fri, 23 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. - 7:14 p.m.STL  Lambert-St Louis-YYC Calgary
9h 39m1 stop Atlanta Hartsfield-Jackson
C$ 466Multiple Airlines
Wed, 14 Oct - Wed, 28 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
10:15 a.m. - 11:26 p.m.YYC  Calgary-STL Lambert-St Louis
12h 11m1 stop Minneapolis St Paul
WestJet Logo
12:52 p.m. - 11:00 a.m.STL  Lambert-St Louis-YYC Calgary
23h 08m1 stop Atlanta Hartsfield-Jackson
C$ 495WestJet
Sun, 23 Aug - Tue, 25 Aug
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$ 517Delta
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
5:00 p.m. - 1:10 a.m.STL  Lambert-St Louis-YYC Calgary
8h 10m1 stop Salt Lake City
C$ 527Delta
Fri, 30 Oct - Tue, 3 Nov
Air Canada Logo
6:00 a.m. - 2:00 p.m.YEG  Edmonton-STL Lambert-St Louis
7h 00m1 stop Toronto Pearson Intl
Air Canada Logo
12:10 p.m. - 9:50 p.m.STL  Lambert-St Louis-YEG Edmonton
10h 40m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 793Air Canada
Sun, 13 Sep - Sat, 19 Sep
Air Canada Logo
7:00 a.m. - 2:26 p.m.YEG  Edmonton-STL Lambert-St Louis
7h 26m1 stop Toronto Pearson Intl
Air Canada Logo
4:05 p.m. - 1:23 a.m.STL  Lambert-St Louis-YEG Edmonton
9h 18m1 stop Toronto Pearson Intl
C$ 796Air Canada
Thu, 17 Dec - Tue, 5 Jan
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
8:50 a.m. - 2:15 p.m.STL  Lambert-St Louis-YEG Edmonton
6h 25m1 stop Denver Intl
C$ 796United Airlines
Sat, 24 Oct - Wed, 28 Oct
United Airlines Logo
3:17 p.m. - 11:40 p.m.YEG  Edmonton-STL Lambert-St Louis
7h 23m1 stop Denver Intl
United Airlines Logo
5:10 a.m. - 2:08 p.m.STL  Lambert-St Louis-YEG Edmonton
9h 58m1 stop Denver Intl
C$ 796United Airlines
Fri, 11 Sep - Sun, 13 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 Nov
YYC7:00 a.m.Calgary
7h 26m
1 stop
STL2:26 p.m.Lambert-St Louis
30 Nov
STL4:05 p.m.Lambert-St Louis
9h 19m
1 stop
YYC1:24 a.m.Calgary
C$ 539
Air Canada
6 Sep
YYC9:20 a.m.Calgary
10h 02m
2 stops
STL8:22 p.m.Lambert-St Louis
15 Sep
STL12:10 p.m.Lambert-St Louis
11h 47m
2 stops
YYC10:57 p.m.Calgary
C$ 625
Air Canada
18 Dec
YYC7:00 a.m.Calgary
7h 26m
1 stop
STL2:26 p.m.Lambert-St Louis
29 Dec
STL4:05 p.m.Lambert-St Louis
18h 39m
1 stop
YYC10:44 a.m.Calgary
C$ 679

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
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
WestJet
4 Sep
YYC10:15 a.m.Calgary
12h 11m
1 stop
STL11:26 p.m.Lambert-St Louis
11 Sep
STL6:00 a.m.Lambert-St Louis
12h 10m
1 stop
YYC5:10 p.m.Calgary
C$ 498

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 14 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

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

Wed 14/10

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

1 stop25h 40m

Lambert-St Louis

Wed 28/10

10:35 a.m.-7:14 p.m.

1 stop9h 39m

C$ 466

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

Sun 23/8

10:15 a.m.-11:26 p.m.

1 stop12h 11m

Lambert-St Louis

Tue 25/8

12:52 p.m.-11:00 a.m.

1 stop23h 08m

C$ 495

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$ 517

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Fri 30/10

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

1 stop10h 09m

Lambert-St Louis

Tue 3/11

5:00 p.m.-1:10 a.m.

1 stop8h 10m

C$ 527

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Sun 13/9

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

1 stop7h 00m

Lambert-St Louis

Sat 19/9

12:10 p.m.-9:50 p.m.

1 stop10h 40m

C$ 793
Quickest round-trip

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Thu 17/12

7:00 a.m.-2:26 p.m.

1 stop7h 26m

Lambert-St Louis

Tue 5/1

4:05 p.m.-1:23 a.m.

1 stop9h 18m

C$ 796

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Sat 24/10

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

1 stop13h 36m

Lambert-St Louis

Wed 28/10

8:50 a.m.-2:15 p.m.

1 stop6h 25m

C$ 796

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Fri 11/9

3:17 p.m.-11:40 p.m.

1 stop7h 23m

Lambert-St Louis

Sun 13/9

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

1 stop9h 58m

C$ 796

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

7h 14m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 7h 14m
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
8,510 reviews
Search Delta flights
United AirlinesPriceFrom C$ 397Free CancellationRating
7.4
10,114 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 546Free CancellationRating
7.1
11,470 reviews
Search Air Canada flights
WestJetPriceFrom C$ 570Free CancellationRating
7.2
3,433 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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