$911 Cheap Flights from St. Louis (STL) to Cotonou (COO)

View $911 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Cotonou (COO-Cadjehoun)

Cheap Flights from St. Louis to Cotonou (STL-COO)

Prices were available within the past 7 days and start at $911 for one-way flights and $1,444 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Oct 8 - Mon, Oct 13
STL
St. Louis
COO
Cotonou
$1,444 Roundtrip, found 1 day ago
$1,444
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Oct 8 from St. Louis to Cotonou, returning Mon, Oct 13, priced at $1,444 found 1 day ago
Air Canada
Tue, Oct 7 - Mon, Oct 13
STL
St. Louis
COO
Cotonou
$1,450 Roundtrip, found 1 day ago
$1,450
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Oct 7 from St. Louis to Cotonou, returning Mon, Oct 13, priced at $1,450 found 1 day ago
Delta
Tue, Oct 7 - Wed, Oct 15
STL
St. Louis
COO
Cotonou
$1,466 Roundtrip, found 1 day ago
$1,466
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 7 from St. Louis to Cotonou, returning Wed, Oct 15, priced at $1,466 found 1 day ago
Delta
Tue, Oct 7 - Sun, Oct 12
STL
St. Louis
COO
Cotonou
$1,491 Roundtrip, found 1 day ago
$1,491
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 7 from St. Louis to Cotonou, returning Sun, Oct 12, priced at $1,491 found 1 day ago
Air France
Thu, Oct 9 - Wed, Oct 15
STL
St. Louis
COO
Cotonou
$1,492 Roundtrip, found 1 day ago
$1,492
Roundtrip
found 1 day ago
Select Air France flight, departing Thu, Oct 9 from St. Louis to Cotonou, returning Wed, Oct 15, priced at $1,492 found 1 day ago
Air France
Fri, Oct 10 - Wed, Oct 15
STL
St. Louis
COO
Cotonou
$1,499 Roundtrip, found 1 day ago
$1,499
Roundtrip
found 1 day ago
Select Air France flight, departing Fri, Oct 10 from St. Louis to Cotonou, returning Wed, Oct 15, priced at $1,499 found 1 day ago
Air France
Thu, Oct 9 - Mon, Oct 13
STL
St. Louis
COO
Cotonou
$1,517 Roundtrip, found 1 day ago
$1,517
Roundtrip
found 1 day ago
Select Air France flight, departing Thu, Oct 9 from St. Louis to Cotonou, returning Mon, Oct 13, priced at $1,517 found 1 day ago
United
Thu, Oct 9 - Tue, Oct 14
STL
St. Louis
COO
Cotonou
$1,611 Roundtrip, found 1 day ago
$1,611
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 9 from St. Louis to Cotonou, returning Tue, Oct 14, priced at $1,611 found 1 day ago
Turkish Airlines
Sat, Sep 27 - Wed, Oct 1
STL
St. Louis
COO
Cotonou
$1,624 Roundtrip, found 5 days ago
$1,624
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Sat, Sep 27 from St. Louis to Cotonou, returning Wed, Oct 1, priced at $1,624 found 5 days ago
United
Wed, Oct 8 - Tue, Oct 14
STL
St. Louis
COO
Cotonou
$1,646 Roundtrip, found 1 day ago
$1,646
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 8 from St. Louis to Cotonou, returning Tue, Oct 14, priced at $1,646 found 1 day ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Cadjehoun Airport (COO) cost?
Grab a cheap one-way flight from $911 or cheap return flight from $1,444 from Lambert-St. Louis Intl. Airport (STL) to Cadjehoun Airport (COO) 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 Lambert-St. Louis Intl. Airport (STL) to Cadjehoun Airport (COO)?
Planning your getaway for October may help you find better deals, as it's the cheapest month for flights between STL and COO. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Cadjehoun Airport (COO)?
To find the cheapest airline flying from STL to COO, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Cadjehoun Airport (COO)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Cadjehoun Airport (COO) 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 dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to COO?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, such as the time of year and airline.*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 Cadjehoun Airport (COO)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Cadjehoun Airport (COO) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Cadjehoun Airport (COO) last-minute?
Last-minute fares from STL to COO are typically more expensive. For the cheapest rates, start searching for flights as soon as possible. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a STL to COO flight and hotel package?
You'll generally save money by securing a STL to COO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Cadjehoun Airport (COO)?
It's usually possible to reschedule or cancel your STL to COO flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Cadjehoun
Airlines serving
Brussels Airlines, Turkish Airlines
Roundtrip price
$1,443
Distance
6091 mi

Book with confidence

Book with confidence

St. Louis to Cotonou Flights

The cheapest times to fly from St. Louis to Cotonou

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

 

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

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

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 Cotonou in 2025. You can also book with separate airlines for your outbound and return journeys, from $911 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 Cotonou 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 Cotonou 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 Cotonou Flights

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*Available to One Key members.