Cheap flights from St. Louis to Alberta from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Alberta departing on 6/9. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
4:30 pm - 12:59 pm
STL
-
YYC
21h 29m
1 stop
American Airlines Logo
1:40 pm - 11:47 am
YYC
-
STL
21h 07m
1 stop
$340American Airlines
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
8:03 pm - 12:39 pm
STL
-
YYC
17h 36m
1 stop
American Airlines Logo
6:15 am - 4:30 pm
YYC
-
STL
9h 15m
1 stop
$361American Airlines
Wed, May 20 - Wed, Jun 3
Multiple Airlines Logo
9:55 pm - 11:10 am
STL
-
YYC
38h 15m
2 stops
Multiple Airlines Logo
7:00 am - 6:50 am
YYC
-
STL
22h 50m
1 stop
$365Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
American Airlines Logo
8:03 pm - 12:59 pm
STL
-
YYC
17h 56m
1 stop
American Airlines Logo
1:40 pm - 11:47 am
YYC
-
STL
21h 07m
1 stop
$368American Airlines
Mon, May 11 - Mon, May 18
American Airlines Logo
8:03 pm - 12:59 pm
STL
-
YYC
17h 56m
1 stop
American Airlines Logo
1:40 pm - 11:47 am
YYC
-
STL
21h 07m
1 stop
$371American Airlines
Thu, Apr 23 - Mon, Apr 27
Multiple Airlines Logo
4:59 pm - 12:02 pm
STL
-
YYC
44h 03m
2 stops
Multiple Airlines Logo
7:00 am - 6:50 am
YYC
-
STL
22h 50m
1 stop
$373Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Air Canada Logo
4:05 pm - 11:09 pm
STL
-
YEG
8h 04m
1 stop
Air Canada Logo
6:00 am - 3:25 pm
YEG
-
STL
8h 25m
1 stop
$535Air Canada
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
8:54 am - 2:08 pm
STL
-
YEG
6h 14m
1 stop
United Airlines Logo
6:00 am - 1:08 pm
YEG
-
STL
6h 08m
1 stop
$544United Airlines
Thu, Apr 9 - Thu, Apr 16
Delta Logo
12:23 pm - 1:19 am
STL
-
YQU
13h 56m
2 stops
Delta Logo
9:05 pm - 11:56 am
YQU
-
STL
13h 51m
2 stops
$751Delta
Mon, Apr 20 - Mon, Apr 27
Air Canada Logo
4:05 pm - 5:49 pm
STL
-
YQU
26h 44m
2 stops
Air Canada Logo
6:05 am - 9:13 pm
YQU
-
STL
14h 08m
3 stops
$752Air Canada
Mon, Apr 20 - Mon, Apr 27

American Airlines flights from St. Louis to Alberta

Our best American Airlines deals on St. Louis to Alberta flight tickets
American Airlines
Apr 20
STL4:30 pmLambert-St Louis
21h 29m
1 stop
YYC12:59 pmCalgary
Apr 27
YYC1:40 pmCalgary
21h 07m
1 stop
STL11:47 amLambert-St Louis
$340
American Airlines
May 20
STL8:03 pmLambert-St Louis
17h 36m
1 stop
YYC12:39 pmCalgary
Jun 3
YYC6:15 amCalgary
9h 15m
1 stop
STL4:30 pmLambert-St Louis
$361
American Airlines
Apr 20
STL5:21 pmLambert-St Louis
20h 38m
1 stop
YYC12:59 pmCalgary
Apr 27
YYC6:45 amCalgary
14h 32m
2 stops
STL10:17 pmLambert-St Louis
$386

Delta flights from St. Louis to Alberta

Our best Delta deals on St. Louis to Alberta flight tickets
Delta
Jun 2
STL2:27 pmLambert-St Louis
9h 30m
1 stop
YYC10:57 pmCalgary
Jun 9
YYC2:50 pmCalgary
16h 50m
1 stop
STL8:40 amLambert-St Louis
$454
Delta
Jun 2
STL6:21 amLambert-St Louis
17h 36m
2 stops
YYC10:57 pmCalgary
Jun 9
YYC2:00 pmCalgary
17h 40m
2 stops
STL8:40 amLambert-St Louis
$464
Delta
May 31
STL11:22 amLambert-St Louis
10h 08m
1 stop
YYC8:30 pmCalgary
Jun 9
YYC2:50 pmCalgary
16h 50m
1 stop
STL8:40 amLambert-St Louis
$473

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Alberta 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 832,500 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from St. Louis to Alberta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 4/20

4:30 pm-12:59 pm

1 stop21h 29m

Calgary

Mon 4/27

1:40 pm-11:47 am

1 stop21h 07m

$340

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 5/20

8:03 pm-12:39 pm

1 stop17h 36m

Calgary

Wed 6/3

6:15 am-4:30 pm

1 stop9h 15m

$361

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 4/19

9:55 pm-11:10 am

2 stops38h 15m

Calgary

Sun 4/26

7:00 am-6:50 am

1 stop22h 50m

$365

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 5/11

8:03 pm-12:59 pm

1 stop17h 56m

Calgary

Mon 5/18

1:40 pm-11:47 am

1 stop21h 07m

$368

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 4/23

8:03 pm-12:59 pm

1 stop17h 56m

Calgary

Mon 4/27

1:40 pm-11:47 am

1 stop21h 07m

$371

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 4/21

4:59 pm-12:02 pm

2 stops44h 03m

Calgary

Tue 4/28

7:00 am-6:50 am

1 stop22h 50m

$373

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Mon 4/20

4:05 pm-11:09 pm

1 stop8h 04m

Edmonton

Mon 4/27

6:00 am-3:25 pm

1 stop8h 25m

$535
Quickest round-trip

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Thu 4/9

8:54 am-2:08 pm

1 stop6h 14m

Edmonton

Thu 4/16

6:00 am-1:08 pm

1 stop6h 08m

$544

St. LouisGrande Prairie

STL - YQU

STLYQU

Lambert-St Louis

Mon 4/20

12:23 pm-1:19 am

2 stops13h 56m

Grande Prairie

Mon 4/27

9:05 pm-11:56 am

2 stops13h 51m

$751

St. LouisGrande Prairie

STL - YQU

STLYQU

Lambert-St Louis

Mon 4/20

4:05 pm-5:49 pm

2 stops26h 44m

Grande Prairie

Mon 4/27

6:05 am-9:13 pm

3 stops14h 08m

$752

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 Alberta from

How to get the cheapest flight ticket from St. Louis to Alberta

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 Alberta?

The month of November is, on average, the cheapest month to fly to Alberta from St. Louis, with most prices found around $331. If you don’t want to visit Alberta in November, then you should wait until April to fly from St. Louis, when ticket prices are also cheap, with an average price of $504.

How far in advance should I book a flight to Alberta?

You are more likely to see cheaper flights to Alberta from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Alberta for around $579 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alberta from St. Louis for as low as $484 on momondo.

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

You could potentially save up to 27% on your flight if you consider stops on a St. Louis to Alberta flight.

Cheap St. Louis to Alberta flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Alberta

Fastest flight time

6h 16m

Direct flights

None
The fastest flight from St. Louis to Alberta takes 6h 16m
There are no direct flights from St. Louis to Alberta. There are no popular flight routes from St. Louis to Alberta.
  • When did momondo last update prices for flights from Lambert-St Louis Airport to Alberta?

    Prices for flights from Lambert-St Louis Airport to Alberta are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Alberta?

  • How old do you have to be to fly from Lambert-St Louis Airport to Alberta?

    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 Lambert-St Louis Airport to Alberta.

  • What documentation or ID do you need to fly to Alberta?

    The travel and health documents you'll need for your trip to Alberta may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alberta. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Alberta

Compare and see reviews for airlines that fly from St. Louis to Alberta with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $178Free CancellationRating
7.1
10,800 reviews
Search Air Canada flights
DeltaPriceFrom $215Free CancellationRating
7.9
8,276 reviews
Search Delta flights
United AirlinesPriceFrom $285Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
American AirlinesPriceFrom $398Free CancellationRating
7.1
11,415 reviews
Search American Airlines flights
WestJetPriceFrom $490Free CancellationRating
7.2
3,288 reviews
Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Alberta?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Alberta for you.

Can I find flights from St. Louis to Alberta with flexible booking policies on momondo?

momondo does allow users to show only those flights to Alberta from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Alberta?

Once you have performed a search for St. Louis to Alberta 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 St. Louis to Alberta right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Alberta, momondo offers a useful price alert feature which will track prices for flights to Alberta from St. Louis and alert you when they change.

An easier way to manage your Alberta trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Thu 4/9
Thu 4/16

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