$443 Cheap Flights from St. Louis (STL) to Casablanca (CMN)

View $443 flight on Thu, Nov 13, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $443 for one-way flights and $524 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Nov 13 - Thu, Nov 20
STL
St. Louis
CMN
Casablanca
$524 Roundtrip, found 3 hours ago
$524
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Thu, Nov 13 from St. Louis to Casablanca, returning Thu, Nov 20, priced at $524 found 3 hours ago
Air Canada
Thu, Nov 13 - Fri, Nov 21
STL
St. Louis
CMN
Casablanca
$524 Roundtrip, found 5 days ago
$524
Roundtrip
found 5 days ago
Select Air Canada flight, departing Thu, Nov 13 from St. Louis to Casablanca, returning Fri, Nov 21, priced at $524 found 5 days ago
Air Canada
Sun, Nov 9 - Sun, Nov 23
STL
St. Louis
CMN
Casablanca
$530 Roundtrip, found 2 days ago
$530
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Nov 9 from St. Louis to Casablanca, returning Sun, Nov 23, priced at $530 found 2 days ago
Air Canada
Thu, Nov 13 - Thu, Nov 20
STL
St. Louis
CMN
Casablanca
$543 Roundtrip, found 3 hours ago
$543
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Thu, Nov 13 from St. Louis to Casablanca, returning Thu, Nov 20, priced at $543 found 3 hours ago
United
Sat, Jan 17 - Wed, Jan 28
STL
St. Louis
CMN
Casablanca
$543 Roundtrip, found 6 days ago
$543
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jan 17 from St. Louis to Casablanca, returning Wed, Jan 28, priced at $543 found 6 days ago
Air Canada
Thu, Nov 13 - Thu, Nov 20
STL
St. Louis
CMN
Casablanca
$545 Roundtrip, found 3 hours ago
$545
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Thu, Nov 13 from St. Louis to Casablanca, returning Thu, Nov 20, priced at $545 found 3 hours ago
Air Canada
Mon, Jan 19 - Wed, Jan 28
STL
St. Louis
CMN
Casablanca
$545 Roundtrip, found 6 days ago
$545
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Jan 19 from St. Louis to Casablanca, returning Wed, Jan 28, priced at $545 found 6 days ago
Lufthansa
Fri, Nov 14 - Sun, Nov 23
STL
St. Louis
CMN
Casablanca
$563 Roundtrip, found 4 days ago
$563
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Fri, Nov 14 from St. Louis to Casablanca, returning Sun, Nov 23, priced at $563 found 4 days ago
Delta
Tue, Jan 20 - Thu, Jan 29
STL
St. Louis
CMN
Casablanca
$571 Roundtrip, found 3 hours ago
$571
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Jan 20 from St. Louis to Casablanca, returning Thu, Jan 29, priced at $571 found 3 hours ago
British Airways
Fri, Jan 23 - Sat, Jan 31
STL
St. Louis
CMN
Casablanca
$575 Roundtrip, found 3 hours ago
$575
Roundtrip
found 3 hours ago
Select British Airways flight, departing Fri, Jan 23 from St. Louis to Casablanca, returning Sat, Jan 31, priced at $575 found 3 hours ago

Alternative airports near Casablanca

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

Select flight to Mohammed V CMN. Cheapest and Closest option available. Average driving time to city center is 24 minutes. Flights from $772
CMN
Mohammed V
CheapestClosest
Average driving time to city center24 min
Flights from $772

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Mohammed V Airport (CMN) cost?
Snag a cheap one-way flight from $443 or cheap return flight from $524 from Lambert-St. Louis Intl. Airport (STL) to Mohammed V Airport (CMN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Mohammed V Airport (CMN)?
The cheapest month to fly from STL to CMN is November, when there's less demand. Off-peak season is usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Mohammed V Airport (CMN)?
To find the cheapest airline that'll fly you from STL to CMN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Mohammed V Airport (CMN)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Mohammed V Airport (CMN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to CMN?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Mohammed V Airport (CMN)?
To touch down at Mohammed V Airport (CMN) without delays, choose a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Lambert-St. Louis Intl. Airport (STL) to Mohammed V Airport (CMN) last-minute?
Booking your flight from STL to CMN shortly before your getaway is generally more expensive. But if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a STL to CMN flight and hotel package?
Opting for a STL to CMN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Mohammed V Airport (CMN)?
If you booked your STL to CMN flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Mohammed V
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, KLM, Lufthansa, Turkish Airlines, United
Roundtrip price
$523
Distance
4475 mi

Book with confidence

St. Louis to Casablanca Flights

The cheapest times to fly from St. Louis to Casablanca

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 St. Louis to Casablanca are during the month of November. You can find some of the cheapest flights from St. Louis to Casablanca with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Casablanca: 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 St. Louis to Casablanca

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 St. Louis to Casablanca in 2025. You can also book with separate airlines for your outbound and return journeys, from $443 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 St. Louis to Casablanca 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 St. Louis to Casablanca 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.

 

St. Louis to Casablanca Flights

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*Available to One Key members.