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St. Louis

$847+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
CMN — STL
Apr 4 — Apr 111
Sat 4/4
Sat 4/11
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 5, 2026.

This United Airlines deal was found by Cheapflights users on 3/5. 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.
Thu 4/239:00 am
CMN
-
STL
2 stops29h 25m
United Airlines
Sun 5/31:00 pm
STL
-
CMN
1 stop12h 15m
United Airlines
Deal found 3/5$847
This United Airlines deal was found by Cheapflights users on 3/3. 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
Sun 5/31:00 pm
STL
-
CMN
1 stop12h 15m
United Airlines
Deal found 3/3$848
This Lufthansa deal was found by Cheapflights users on 3/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:25 am
CMN
-
STL
1 stop18h 00m
Lufthansa
Sun 5/31:24 pm
STL
-
CMN
2 stops28h 56m
Lufthansa
Deal found 3/2$850
This United Airlines deal was found by Cheapflights users on 3/5. 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 stops18h 52m
United Airlines
Sat 5/28:46 am
STL
-
CMN
3 stops40h 29m
United Airlines
Deal found 3/5$854
This Lufthansa deal was found by Cheapflights users on 3/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:25 am
CMN
-
STL
2 stops25h 48m
Lufthansa
Sat 5/21:24 pm
STL
-
CMN
2 stops28h 56m
Lufthansa
Deal found 3/3$857
This United Airlines deal was found by Cheapflights users on 3/3. 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 stops18h 52m
United Airlines
Fri 5/18:30 pm
STL
-
CMN
2 stops52h 45m
United Airlines
Deal found 3/3$860
This Air Canada deal was found by Cheapflights users on 3/3. 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.
Thu 4/231:25 am
CMN
-
STL
2 stops20h 00m
Air Canada
Sun 5/37:05 am
STL
-
CMN
2 stops18h 10m
Air Canada
Deal found 3/3$875
This Air Canada deal was found by Cheapflights users on 3/3. 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.
Sat 4/259:00 am
CMN
-
STL
2 stops18h 13m
Air Canada
Sun 5/37:05 am
STL
-
CMN
2 stops18h 10m
Air Canada
Deal found 3/3$878

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 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$847
(United Airlines)
Provider with most accurate pricing for Casablanca Mohamed V-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Casablanca Mohamed V-Lambert-St Louis flights.
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From Casablanca Mohamed V to Lambert-St Louis
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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 5, 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

Thu 4/23

9:00 am-8:25 am

2 stops29h 25m

Lambert-St Louis

Sun 5/3

6:30 am-7:15 am

2 stops18h 45m

$847
Quickest round-trip

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Thu 4/23

1:25 am-1:25 pm

1 stop18h 00m

Lambert-St Louis

Sun 5/3

1:24 pm-12:20 am

2 stops28h 56m

$851

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Fri 4/24

1:25 am-9:13 pm

2 stops25h 48m

Lambert-St Louis

Sun 5/3

1:24 pm-12:20 am

2 stops28h 56m

$856

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Sat 4/25

1:25 am-9:13 pm

2 stops25h 48m

Lambert-St Louis

Sun 5/3

1:24 pm-12:20 am

2 stops28h 56m

$856

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Thu 4/23

1:25 am-9:13 pm

2 stops25h 48m

Lambert-St Louis

Sat 5/2

1:24 pm-12:20 am

2 stops28h 56m

$857

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Fri 4/24

10:25 am-9:48 am

2 stops29h 23m

Lambert-St Louis

Fri 5/1

4:41 pm-9:00 pm

2 stops22h 19m

$1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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 and Lufthansa can get you from Casablanca to St. Louis in just under 18h. Your travel time can differ by up to 11h 25m. There are 4473 mi between Casablanca and St. Louis. This flight may include one or multiple stops.

  • 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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