HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$878+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
CMN — STL
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Casablanca to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 10, 2026.

This Air Canada deal was found by Cheapflights users on 3/10. 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
3 stops18h 52m
Multiple Airlines
Sat 5/27:11 pm
STL
-
CMN
2 stops30h 04m
Multiple Airlines
Deal found 3/10$878
This United Airlines deal was found by Cheapflights users on 3/7. 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
Sun 5/37:45 am
STL
-
CMN
2 stops17h 30m
United Airlines
Deal found 3/7$882
This United Airlines deal was found by Cheapflights users on 3/7. 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
Fri 5/17:09 pm
STL
-
CMN
2 stops54h 06m
United Airlines
Deal found 3/7$896
This American Airlines deal was found by Cheapflights users on 3/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:55 pm
CMN
-
STL
2 stops46h 21m
American Airlines
Sat 5/212:00 pm
STL
-
CMN
2 stops23h 20m
American Airlines
Deal found 3/7$903
This Air Canada deal was found by Cheapflights users on 3/8. 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
Sat 5/27:11 pm
STL
-
CMN
2 stops30h 04m
Air Canada
Deal found 3/8$905
This Lufthansa deal was found by Cheapflights users on 3/7. 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 stops20h 23m
Lufthansa
Sun 5/31:24 pm
STL
-
CMN
2 stops28h 56m
Lufthansa
Deal found 3/7$947
This Air Canada deal was found by Cheapflights users on 3/7. 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 5/31:00 pm
STL
-
CMN
1 stop12h 15m
Air Canada
Deal found 3/7$1,010
This Lufthansa deal was found by Cheapflights users on 3/7. 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
Sat 5/21:24 pm
STL
-
CMN
2 stops28h 56m
Lufthansa
Deal found 3/7$1,051

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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$882
(United Airlines)
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 10, 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-9:13 pm

2 stops18h 13m

Lambert-St Louis

Sat 5/2

5:28 pm-7:15 am

2 stops31h 47m

$878

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

7:11 pm-7:15 am

2 stops30h 04m

$882
Quickest round-trip

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Sat 4/25

9:00 am-9:13 pm

2 stops18h 13m

Lambert-St Louis

Sun 5/3

1:00 pm-7:15 am

1 stop12h 15m

$882

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Mon 4/27

9:00 am-11:57 pm

2 stops20h 57m

Lambert-St Louis

Sun 5/3

7:45 am-7:15 am

2 stops17h 30m

$883

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Thu 4/23

1:25 am-3:48 pm

2 stops20h 23m

Lambert-St Louis

Sun 5/3

1:24 pm-12:20 am

2 stops28h 56m

$947

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Sat 4/25

1:25 am-1:25 pm

1 stop18h 00m

Lambert-St Louis

Sat 5/2

1:24 pm-12:20 am

2 stops28h 56m

$1,051

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Sat 4/25

1:25 am-3:48 pm

2 stops20h 23m

Lambert-St Louis

Sun 5/3

1:24 pm-12:20 am

2 stops28h 56m

$1,056

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Fri 4/24

1:25 am-9:13 pm

2 stops25h 48m

Lambert-St Louis

Thu 4/30

7:09 pm-12:20 am

2 stops23h 11m

$1,110

CasablancaSt. Louis

CMN - STL

CMNSTL

Casablanca Mohamed V

Sun 4/26

1:25 am-11:11 pm

2 stops27h 46m

Lambert-St Louis

Thu 4/30

7:09 pm-12:20 am

2 stops23h 11m

$1,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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 13m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights