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Cheap flights from Alberta to St. Louis from C$ 246

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 12/10. 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
12:20 a.m. - 1:10 p.m.YYC  Calgary-STL Lambert-St Louis
11h 50m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
10:35 a.m. - 9:50 p.m.STL  Lambert-St Louis-YYC Calgary
12h 15m1 stop Atlanta Hartsfield-Jackson
C$ 397Multiple Airlines
Tue, 6 Oct - Mon, 12 Oct
Multiple Airlines Logo
12:20 a.m. - 1:10 p.m.YYC  Calgary-STL Lambert-St Louis
11h 50m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
8:10 p.m. - 2:45 p.m.STL  Lambert-St Louis-YYC Calgary
19h 35m1 stop Denver Intl
C$ 445Multiple Airlines
Tue, 6 Oct - Wed, 7 Oct
WestJet Logo
11:05 a.m. - 11:16 p.m.YYC  Calgary-STL Lambert-St Louis
11h 11m2 stops Winnipeg Minneapolis St Paul
WestJet Logo
11:21 a.m. - 8:25 p.m.STL  Lambert-St Louis-YYC Calgary
10h 04m2 stops Minneapolis St Paul Winnipeg
C$ 525WestJet
Mon, 21 Sep - Wed, 23 Sep
WestJet Logo
9:00 p.m. - 9:20 a.m.YYC  Calgary-STL Lambert-St Louis
11h 20m2 stops Vancouver Intl Atlanta Hartsfield-Jackson
WestJet Logo
11:13 a.m. - 7:40 p.m.STL  Lambert-St Louis-YYC Calgary
9h 27m2 stops Minneapolis St Paul Edmonton
C$ 525WestJet
Sun, 30 Aug - Sun, 6 Sep
United Airlines Logo
3:17 p.m. - 3:43 p.m.YEG  Edmonton-STL Lambert-St Louis
23h 26m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
7:01 p.m. - 8:10 p.m.STL  Lambert-St Louis-YEG Edmonton
26h 09m3 stops Chicago O'Hare Intl Nashville Intl Houston George Bush Intcntl
C$ 775United Airlines
Fri, 2 Oct - Mon, 5 Oct
Delta Logo
9:40 a.m. - 11:16 p.m.YEG  Edmonton-STL Lambert-St Louis
12h 36m1 stop Minneapolis St Paul
Delta Logo
6:15 a.m. - 4:55 p.m.STL  Lambert-St Louis-YEG Edmonton
11h 40m1 stop Minneapolis St Paul
C$ 791Delta
Wed, 30 Sep - Sat, 3 Oct
Delta Logo
9:40 a.m. - 11:16 p.m.YEG  Edmonton-STL Lambert-St Louis
12h 36m1 stop Minneapolis St Paul
Delta Logo
6:15 a.m. - 4:55 p.m.STL  Lambert-St Louis-YEG Edmonton
11h 40m1 stop Minneapolis St Paul
C$ 794Delta
Wed, 30 Sep - Sat, 3 Oct
United Airlines Logo
6:00 a.m. - 4:34 p.m.YEG  Edmonton-STL Lambert-St Louis
9h 34m1 stop Denver Intl
United Airlines Logo
4:40 p.m. - 10:04 p.m.STL  Lambert-St Louis-YEG Edmonton
6h 24m1 stop Denver Intl
C$ 833United Airlines
Tue, 22 Sep - Wed, 23 Sep
Air Canada Logo
6:00 a.m. - 6:41 p.m.YEG  Edmonton-STL Lambert-St Louis
11h 41m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
8:55 a.m. - 5:16 p.m.STL  Lambert-St Louis-YEG Edmonton
9h 21m1 stop Toronto Pearson Intl
C$ 852Air Canada
Tue, 22 Sep - Wed, 23 Sep
Air Canada Logo
6:00 a.m. - 6:41 p.m.YEG  Edmonton-STL Lambert-St Louis
11h 41m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:36 p.m. - 11:13 p.m.STL  Lambert-St Louis-YEG Edmonton
10h 37m2 stops Denver Intl Vancouver Intl
C$ 923Air Canada
Tue, 22 Sep - Wed, 23 Sep

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Delta flights from Alberta to St. Louis

Our best Delta deals on Alberta to St. Louis flight tickets
Delta
30 Sep
YEG9:40 a.m.Edmonton
12h 36m
1 stop
STL11:16 p.m.Lambert-St Louis
3 Oct
STL6:15 a.m.Lambert-St Louis
11h 40m
1 stop
YEG4:55 p.m.Edmonton
C$ 791
Delta
30 Sep
YEG9:40 a.m.Edmonton
12h 36m
1 stop
STL11:16 p.m.Lambert-St Louis
3 Oct
STL6:15 a.m.Lambert-St Louis
11h 40m
1 stop
YEG4:55 p.m.Edmonton
C$ 794
Delta
30 Sep
YEG9:40 a.m.Edmonton
12h 36m
1 stop
STL11:16 p.m.Lambert-St Louis
3 Oct
STL6:15 a.m.Lambert-St Louis
11h 40m
1 stop
YEG4:55 p.m.Edmonton
C$ 795

Air Canada flights from Alberta to St. Louis

Our best Air Canada deals on Alberta to St. Louis flight tickets
Air Canada
22 Sep
YEG6:00 a.m.Edmonton
11h 41m
2 stops
STL6:41 p.m.Lambert-St Louis
23 Sep
STL8:55 a.m.Lambert-St Louis
9h 21m
1 stop
YEG5:16 p.m.Edmonton
C$ 852
Air Canada
22 Sep
YEG6:00 a.m.Edmonton
11h 41m
2 stops
STL6:41 p.m.Lambert-St Louis
23 Sep
STL1:36 p.m.Lambert-St Louis
10h 37m
2 stops
YEG11:13 p.m.Edmonton
C$ 923
Air Canada
30 Sep
YEG7:00 a.m.Edmonton
13h 21m
2 stops
STL9:21 p.m.Lambert-St Louis
3 Oct
STL9:04 a.m.Lambert-St Louis
12h 52m
2 stops
YEG8:56 p.m.Edmonton
C$ 944

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 5 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

Tue 6/10

12:20 a.m.-1:10 p.m.

1 stop11h 50m

Lambert-St Louis

Mon 12/10

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

1 stop12h 15m

C$ 397

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Tue 6/10

12:20 a.m.-1:10 p.m.

1 stop11h 50m

Lambert-St Louis

Wed 7/10

8:10 p.m.-2:45 p.m.

1 stop19h 35m

C$ 445

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Mon 21/9

11:05 a.m.-11:16 p.m.

2 stops11h 11m

Lambert-St Louis

Wed 23/9

11:21 a.m.-8:25 p.m.

2 stops10h 04m

C$ 525

CalgarySt. Louis

YYC Calgary - STL Lambert-St Louis

YYCSTL

Calgary

Sun 30/8

9:00 p.m.-9:20 a.m.

2 stops11h 20m

Lambert-St Louis

Sun 6/9

11:13 a.m.-7:40 p.m.

2 stops9h 27m

C$ 525

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Fri 2/10

3:17 p.m.-3:43 p.m.

2 stops23h 26m

Lambert-St Louis

Mon 5/10

7:01 p.m.-8:10 p.m.

3 stops26h 09m

C$ 775

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Wed 30/9

9:40 a.m.-11:16 p.m.

1 stop12h 36m

Lambert-St Louis

Sat 3/10

6:15 a.m.-4:55 p.m.

1 stop11h 40m

C$ 791

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Wed 30/9

9:40 a.m.-11:16 p.m.

1 stop12h 36m

Lambert-St Louis

Sat 3/10

6:15 a.m.-4:55 p.m.

1 stop11h 40m

C$ 794
Quickest round-trip

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Tue 22/9

6:00 a.m.-4:34 p.m.

1 stop9h 34m

Lambert-St Louis

Wed 23/9

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

1 stop6h 24m

C$ 833

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Tue 22/9

6:00 a.m.-6:41 p.m.

2 stops11h 41m

Lambert-St Louis

Wed 23/9

8:55 a.m.-5:16 p.m.

1 stop9h 21m

C$ 852

EdmontonSt. Louis

YEG Edmonton - STL Lambert-St Louis

YEGSTL

Edmonton

Tue 22/9

6:00 a.m.-6:41 p.m.

2 stops11h 41m

Lambert-St Louis

Wed 23/9

1:36 p.m.-11:13 p.m.

2 stops10h 37m

C$ 923

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$ 449. 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$ 552.

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 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.
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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$ 351Free CancellationRating
7.8
8,492 reviews
Search Delta flights
United AirlinesPriceFrom C$ 400Free CancellationRating
7.4
10,072 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 550Free CancellationRating
7.1
11,429 reviews
Search Air Canada flights
WestJetPriceFrom C$ 574Free CancellationRating
7.2
3,426 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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