Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Alberta to St. Louis from $191

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 10/26. 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

Find the cheapest flights from Alberta to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:33 pm - 12:44 am
YYC
-
STL
11h 11m
1 stop
Delta Logo
9:45 am - 8:54 pm
STL
-
YYC
12h 09m
1 stop
$345Delta
Fri, Oct 2 - Tue, Oct 6
Delta Logo
12:33 pm - 12:44 am
YYC
-
STL
11h 11m
1 stop
Delta Logo
9:47 am - 8:30 pm
STL
-
YYC
11h 43m
1 stop
$346Delta
Fri, Oct 2 - Tue, Oct 6
Delta Logo
12:33 pm - 12:44 am
YYC
-
STL
11h 11m
1 stop
Delta Logo
9:45 am - 8:54 pm
STL
-
YYC
12h 09m
1 stop
$347Delta
Fri, Oct 2 - Tue, Oct 6
American Airlines Logo
6:45 am - 11:42 pm
YYC
-
STL
15h 57m
1 stop
American Airlines Logo
6:00 am - 11:42 pm
STL
-
YYC
18h 42m
1 stop
$364American Airlines
Thu, Sep 3 - Mon, Sep 7
WestJet Logo
6:50 pm - 9:54 am
YYC
-
STL
14h 04m
2 stops
WestJet Logo
11:13 am - 8:25 pm
STL
-
YYC
10h 12m
2 stops
$369WestJet
Thu, Aug 13 - Mon, Aug 17
WestJet Logo
8:00 pm - 11:46 am
YYC
-
STL
14h 46m
2 stops
WestJet Logo
3:39 pm - 11:00 am
STL
-
YYC
20h 21m
1 stop
$376WestJet
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
6:00 am - 8:36 pm
YEG
-
STL
13h 36m
1 stop
Multiple Airlines Logo
8:55 am - 5:01 pm
STL
-
YEG
9h 06m
1 stop
$539Multiple Airlines
Thu, Oct 1 - Sun, Oct 4
Air Canada Logo
6:00 am - 3:26 pm
YEG
-
STL
8h 26m
1 stop
Air Canada Logo
4:05 pm - 11:23 pm
STL
-
YEG
8h 18m
1 stop
$541Air Canada
Mon, Nov 23 - Fri, Nov 27
Air Canada Logo
6:00 am - 6:42 pm
YEG
-
STL
11h 42m
2 stops
Air Canada Logo
8:55 am - 5:18 pm
STL
-
YEG
9h 23m
1 stop
$568Air Canada
Mon, Aug 31 - Wed, Sep 2
Multiple Airlines Logo
6:50 am - 6:15 pm
YEG
-
STL
34h 25m
2 stops
Multiple Airlines Logo
6:45 pm - 8:45 pm
STL
-
YEG
27h 00m
1 stop
$579Multiple Airlines
Thu, Aug 13 - Thu, Aug 20

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

WestJet flights from Alberta to St. Louis

Our best WestJet deals on Alberta to St. Louis flight tickets
WestJet
Aug 13
YYC6:50 pmCalgary
14h 04m
2 stops
STL9:54 amLambert-St Louis
Aug 17
STL11:13 amLambert-St Louis
10h 12m
2 stops
YYC8:25 pmCalgary
$369
WestJet
Aug 13
YYC8:00 pmCalgary
14h 46m
2 stops
STL11:46 amLambert-St Louis
Aug 17
STL3:39 pmLambert-St Louis
20h 21m
1 stop
YYC11:00 amCalgary
$376
WestJet
Aug 12
YYC12:20 amCalgary
22h 38m
1 stop
STL11:58 pmLambert-St Louis
Aug 17
STL6:25 pmLambert-St Louis
26h 50m
1 stop
YYC8:15 pmCalgary
$383

United Airlines flights from Alberta to St. Louis

Our best United Airlines deals on Alberta to St. Louis flight tickets
United Airlines
Aug 31
YEG6:00 amEdmonton
9h 34m
1 stop
STL4:34 pmLambert-St Louis
Sep 2
STL8:00 amLambert-St Louis
8h 32m
1 stop
YEG3:32 pmEdmonton
$553
United Airlines
Aug 13
YEG6:00 amEdmonton
13h 46m
1 stop
STL8:46 pmLambert-St Louis
Aug 20
STL1:36 pmLambert-St Louis
9h 28m
1 stop
YEG10:04 pmEdmonton
$554
United Airlines
Nov 23
YEG6:00 amEdmonton
5h 37m
1 stop
STL12:37 pmLambert-St Louis
Nov 27
STL4:40 pmLambert-St Louis
6h 40m
1 stop
YEG10:20 pmEdmonton
$566

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 832,500 searches. Data last updated June 30, 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

Fri 10/2

12:33 pm-12:44 am

1 stop11h 11m

Lambert-St Louis

Tue 10/6

9:45 am-8:54 pm

1 stop12h 09m

$345

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/2

12:33 pm-12:44 am

1 stop11h 11m

Lambert-St Louis

Tue 10/6

9:47 am-8:30 pm

1 stop11h 43m

$346

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/2

12:33 pm-12:44 am

1 stop11h 11m

Lambert-St Louis

Tue 10/6

9:45 am-8:54 pm

1 stop12h 09m

$347

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 9/3

6:45 am-11:42 pm

1 stop15h 57m

Lambert-St Louis

Mon 9/7

6:00 am-11:42 pm

1 stop18h 42m

$364

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 8/13

6:50 pm-9:54 am

2 stops14h 04m

Lambert-St Louis

Mon 8/17

11:13 am-8:25 pm

2 stops10h 12m

$369

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 8/13

8:00 pm-11:46 am

2 stops14h 46m

Lambert-St Louis

Mon 8/17

3:39 pm-11:00 am

1 stop20h 21m

$376

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 10/1

6:00 am-8:36 pm

1 stop13h 36m

Lambert-St Louis

Sun 10/4

8:55 am-5:01 pm

1 stop9h 06m

$539
Quickest round-trip

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 11/23

6:00 am-3:26 pm

1 stop8h 26m

Lambert-St Louis

Fri 11/27

4:05 pm-11:23 pm

1 stop8h 18m

$541

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 8/31

6:00 am-6:42 pm

2 stops11h 42m

Lambert-St Louis

Wed 9/2

8:55 am-5:18 pm

1 stop9h 23m

$568

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 8/13

6:50 am-6:15 pm

2 stops34h 25m

Lambert-St Louis

Thu 8/20

6:45 pm-8:45 pm

1 stop27h 00m

$579

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

In general, August is the cheapest month to fly from Alberta to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $189. The month of May is another great option to travel to St. Louis, with average flight prices from Alberta averaging around $250.

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

5h 37m

Direct flights

None
The fastest flight from Alberta to St. Louis takes 5h 37m
There are no direct flights from Alberta to St. Louis. There are no popular flight routes from Alberta to St. Louis.
Search flight deals

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 are refreshed on a daily basis.

  • 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 necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Fenton
Farmington
Wentzville
Clayton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Alberta.

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

All flight searches from Alberta to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Alberta to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Alberta to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Alberta to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your St. Louis 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 7/30
Thu 8/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States