$525 Cheap Flights from Casablanca (CMN) to St. Louis (STL)

View $525 flight on Mon, May 25, 2026Opens in a new window

Popular airlines from Mohammed V Airport (CMN) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Casablanca to St. Louis (CMN-STL)

Prices were available within the past 7 days and start at $525 for one-way flights and $829 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Dec 20 - Fri, Jan 2
CMN
Casablanca
STL
St. Louis
$829 Roundtrip, found 13 hours ago
$829
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Sat, Dec 20 from Casablanca to St. Louis, returning Fri, Jan 2, priced at $829 found 13 hours ago
Air Canada
Sat, Dec 20 - Fri, Jan 2
CMN
Casablanca
STL
St. Louis
$835 Roundtrip, found 13 hours ago
$835
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Sat, Dec 20 from Casablanca to St. Louis, returning Fri, Jan 2, priced at $835 found 13 hours ago
Air Canada
Sat, Dec 20 - Fri, Jan 2
CMN
Casablanca
STL
St. Louis
$879 Roundtrip, found 13 hours ago
$879
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Sat, Dec 20 from Casablanca to St. Louis, returning Fri, Jan 2, priced at $879 found 13 hours ago
Air Canada
Sat, Dec 20 - Fri, Jan 2
CMN
Casablanca
STL
St. Louis
$885 Roundtrip, found 13 hours ago
$885
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Sat, Dec 20 from Casablanca to St. Louis, returning Fri, Jan 2, priced at $885 found 13 hours ago
Iberia
Sat, Jul 4 - Sat, Aug 1
CMN
Casablanca
STL
St. Louis
$887 Roundtrip, found 12 hours ago
$887
Roundtrip
found 12 hours ago
Select Iberia flight, departing Sat, Jul 4 from Casablanca to St. Louis, returning Sat, Aug 1, priced at $887 found 12 hours ago
Iberia
Sat, Jul 4 - Sat, Aug 1
CMN
Casablanca
STL
St. Louis
$893 Roundtrip, found 12 hours ago
$893
Roundtrip
found 12 hours ago
Select Iberia flight, departing Sat, Jul 4 from Casablanca to St. Louis, returning Sat, Aug 1, priced at $893 found 12 hours ago
Iberia
Sat, Jul 4 - Sat, Aug 1
CMN
Casablanca
STL
St. Louis
$897 Roundtrip, found 12 hours ago
$897
Roundtrip
found 12 hours ago
Select Iberia flight, departing Sat, Jul 4 from Casablanca to St. Louis, returning Sat, Aug 1, priced at $897 found 12 hours ago
Air France
Tue, Nov 18 - Mon, Dec 8
CMN
Casablanca
STL
St. Louis
$914 Roundtrip, found 2 days ago
$914
Roundtrip
found 2 days ago
Select Air France flight, departing Tue, Nov 18 from Casablanca to St. Louis, returning Mon, Dec 8, priced at $914 found 2 days ago
Delta
Mon, May 25 - Mon, Jun 22
CMN
Casablanca
STL
St. Louis
$920 Roundtrip, found 3 days ago
$920
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, May 25 from Casablanca to St. Louis, returning Mon, Jun 22, priced at $920 found 3 days ago
KLM
Tue, Nov 18 - Mon, Dec 8
CMN
Casablanca
STL
St. Louis
$924 Roundtrip, found 2 days ago
$924
Roundtrip
found 2 days ago
Select KLM flight, departing Tue, Nov 18 from Casablanca to St. Louis, returning Mon, Dec 8, priced at $924 found 2 days ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $1,474
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $1,474

Frequently asked questions

How much does a flight from Mohammed V Airport (CMN) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $525 or cheap return flight from $829 from Mohammed V Airport (CMN) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Mohammed V Airport (CMN) to Lambert-St. Louis Intl. Airport (STL)?
Flying in December is a good way to save, as it's the cheapest month for flights between CMN and STL. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Mohammed V Airport (CMN) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CMN to STL flight.
How many flights per day from Mohammed V Airport (CMN) to Lambert-St. Louis Intl. Airport (STL)?
There are no daily direct flights departing from Mohammed V Airport (CMN) to Lambert-St. Louis Intl. Airport (STL). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from CMN to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mohammed V Airport (CMN) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) on time, book a flight that takes off from Mohammed V Airport (CMN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Mohammed V Airport (CMN) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your ticket from CMN to STL shortly before your trip is typically more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a CMN to STL flight and hotel package?
You'll generally save money by booking a CMN to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Mohammed V Airport (CMN) to Lambert-St. Louis Intl. Airport (STL)?
It's generally possible to reschedule or cancel your CMN to STL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Mohammed V
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, Iberia, Lufthansa
Roundtrip price
$828
Distance
4475 mi

Book with confidence

Casablanca to St. Louis Flights

The cheapest times to fly from Casablanca to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Casablanca to St. Louis are during the month of December. You can find some of the cheapest flights from Casablanca to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Casablanca to St. Louis

Sunday is one of the best days to book for cheap flights from Casablanca to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Casablanca to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Casablanca to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $525 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Casablanca to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Casablanca to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Casablanca to St. Louis Flights

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*Available to One Key members.