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St. Louis

$894+ Cheap flights from Casablanca (CMN) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
CMN — STL
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap flight deals from Casablanca to St. Louis

Cheapest flights from Casablanca to St. Louis
Explore the most affordable flight options available from Casablanca to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.

This Air Canada deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:25 am
CMN
-
STL
2 stops25h 00m
Multiple Airlines
Wed 5/277:05 am
STL
-
CMN
2 stops18h 10m
Multiple Airlines
Deal found 3/18$894
This Air Canada deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:00 am
CMN
-
STL
1 stop17h 25m
Air Canada
Wed 5/277:05 am
STL
-
CMN
2 stops18h 10m
Air Canada
Deal found 3/18$895
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:00 am
CMN
-
STL
2 stops20h 57m
United Airlines
Sat 5/27:11 pm
STL
-
CMN
2 stops30h 04m
United Airlines
Deal found 3/20$896
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:00 am
CMN
-
STL
1 stop17h 25m
United Airlines
Fri 5/296:00 am
STL
-
CMN
2 stops19h 15m
United Airlines
Deal found 3/18$900
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:00 am
CMN
-
STL
2 stops42h 13m
United Airlines
Thu 5/288:15 pm
STL
-
CMN
2 stops29h 00m
United Airlines
Deal found 3/18$905
This KLM deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:35 am
CMN
-
STL
2 stops19h 34m
KLM
Thu 5/281:56 pm
STL
-
CMN
2 stops16h 59m
KLM
Deal found 3/18$928
This KLM deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:35 am
CMN
-
STL
2 stops19h 34m
Multiple Airlines
Fri 5/294:20 pm
STL
-
CMN
2 stops19h 00m
Multiple Airlines
Deal found 3/18$935
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/410:25 am
CMN
-
STL
2 stops19h 33m
Delta
Wed 4/812:28 pm
STL
-
CMN
2 stops20h 22m
Delta
Deal found 3/20$945
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:00 am
CMN
-
STL
3 stops37h 57m
United Airlines
Wed 5/276:00 am
STL
-
CMN
2 stops19h 15m
United Airlines
Deal found 3/18$959

Find flight deals from Casablanca to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Casablanca (CMN) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$894
(Air Canada)
Provider with most accurate pricing for Casablanca Mohamed V-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Casablanca Mohamed V-Lambert-St Louis flights.
Search Deals
From Casablanca Mohamed V to Lambert-St Louis
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Casablanca 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, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Casablanca to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Sat 4/25

9:00 am-9:52 pm

2 stops18h 52m

Lambert-St Louis

Sat 5/2

4:15 pm-7:15 am

2 stops33h 00m

$896

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Tue 5/12

9:00 am-9:13 pm

2 stops42h 13m

Lambert-St Louis

Thu 5/28

8:15 pm-7:15 am

2 stops29h 00m

$905

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Wed 5/13

7:35 am-9:09 pm

2 stops19h 34m

Lambert-St Louis

Fri 5/29

4:20 pm-5:20 pm

2 stops19h 00m

$935

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Sat 4/4

10:25 am-11:58 pm

2 stops19h 33m

Lambert-St Louis

Wed 4/8

12:28 pm-2:50 pm

2 stops20h 22m

$945

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Tue 5/12

9:00 am-4:57 pm

3 stops37h 57m

Lambert-St Louis

Wed 5/27

6:00 am-7:15 am

2 stops19h 15m

$959
Quickest round-trip

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Sat 4/25

1:25 am-3:25 pm

2 stops20h 00m

Lambert-St Louis

Fri 5/1

1:00 pm-7:15 am

1 stop12h 15m

$1,977

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Casablanca-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Casablanca-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Casablanca-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Casablanca-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Casablanca-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Casablanca to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Casablanca with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Casablanca to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Casablanca to St. Louis?

    United Airlines can get you from Casablanca to St. Louis in just under 18h 52m. Your travel time can differ by up to . There are 4473 mi between Casablanca and St. Louis.

  • Can I find deals for flights from Casablanca to St. Louis that include hotel bookings?

    Yes. In addition to deals on Casablanca to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Casablanca to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Casablanca to St. Louis.

  • Can I find deals for business class flights from Casablanca to St. Louis?

    Yes. Cheapflights offers flight deals from Casablanca to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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