$759 Cheap Flights from Washington (IAD) to Cotonou (COO)

View $759 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Cotonou (COO-Cadjehoun)

Cheap Flights from Washington to Cotonou (IAD-COO)

Prices were available within the past 7 days and start at $759 for one-way flights and $1,093 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Wed, Feb 18 - Tue, Feb 24
IAD
Washington
COO
Cotonou
$1,093 Roundtrip, found 2 days ago
$1,093
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Feb 18 from Washington to Cotonou, returning Tue, Feb 24, priced at $1,093 found 2 days ago
Turkish Airlines
Thu, Nov 27 - Tue, Jan 20
IAD
Washington
COO
Cotonou
$1,117 Roundtrip, found 4 days ago
$1,117
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Thu, Nov 27 from Washington to Cotonou, returning Tue, Jan 20, priced at $1,117 found 4 days ago
Turkish Airlines
Thu, Mar 5 - Tue, Mar 10
IAD
Washington
COO
Cotonou
$1,119 Roundtrip, found 6 hours ago
$1,119
Roundtrip
found 6 hours ago
Select Turkish Airlines flight, departing Thu, Mar 5 from Washington to Cotonou, returning Tue, Mar 10, priced at $1,119 found 6 hours ago
Turkish Airlines
Tue, Mar 3 - Thu, Apr 16
IAD
Washington
COO
Cotonou
$1,121 Roundtrip, found 4 days ago
$1,121
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Tue, Mar 3 from Washington to Cotonou, returning Thu, Apr 16, priced at $1,121 found 4 days ago
Turkish Airlines
Thu, Nov 27 - Tue, Jan 20
IAD
Washington
COO
Cotonou
$1,139 Roundtrip, found 4 days ago
$1,139
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Thu, Nov 27 from Washington to Cotonou, returning Tue, Jan 20, priced at $1,139 found 4 days ago
Turkish Airlines
Sun, Dec 7 - Fri, Dec 12
IAD
Washington
COO
Cotonou
$1,139 Roundtrip, found 2 hours ago
$1,139
Roundtrip
found 2 hours ago
Select Turkish Airlines flight, departing Sun, Dec 7 from Washington to Cotonou, returning Fri, Dec 12, priced at $1,139 found 2 hours ago
Ethiopian Airlines
Thu, Nov 20 - Mon, Nov 24
IAD
Washington
COO
Cotonou
$1,144 Roundtrip, found 2 hours ago
$1,144
Roundtrip
found 2 hours ago
Select Ethiopian Airlines flight, departing Thu, Nov 20 from Washington to Cotonou, returning Mon, Nov 24, priced at $1,144 found 2 hours ago
Royal Air Maroc
Sat, Jan 17 - Mon, May 11
IAD
Washington
COO
Cotonou
$1,144 Roundtrip, found 9 hours ago
$1,144
Roundtrip
found 9 hours ago
Select Royal Air Maroc flight, departing Sat, Jan 17 from Washington to Cotonou, returning Mon, May 11, priced at $1,144 found 9 hours ago
Delta
Mon, Mar 9 - Fri, Mar 13
IAD
Washington
COO
Cotonou
$1,162 Roundtrip, found 6 hours ago
$1,162
Roundtrip
found 6 hours ago
Select Delta flight, departing Mon, Mar 9 from Washington to Cotonou, returning Fri, Mar 13, priced at $1,162 found 6 hours ago
Air Canada
Sat, Jan 24 - Mon, Feb 9
IAD
Washington
COO
Cotonou
$1,202 Roundtrip, found 9 hours ago
$1,202
Roundtrip
found 9 hours ago
Select Air Canada flight, departing Sat, Jan 24 from Washington to Cotonou, returning Mon, Feb 9, priced at $1,202 found 9 hours ago

Alternative airports near Cotonou

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

Select flight to Cadjehoun COO. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $1,194
COO
Cadjehoun
CheapestClosest
Average driving time to city center5 min
Flights from $1,194

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Cadjehoun Airport (COO) cost?
Grab a cheap one-way flight from $759 or cheap return flight from $1,093 from Washington Dulles Intl. Airport (IAD) to Cadjehoun Airport (COO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Cadjehoun Airport (COO)?
Traveling in February is a great way to save, as it's the cheapest month for flights between IAD and COO. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Cadjehoun Airport (COO)?
To find the cheapest airline flying from IAD to COO, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Cadjehoun Airport (COO)?
There aren't any daily direct flights from Washington Dulles Intl. Airport (IAD) to Cadjehoun Airport (COO). 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 in no time at all.
What day of the week has the most flights from IAD to COO?
You'll usually find Tuesday the quietest day for flights, while Fridays are often 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 Washington Dulles Intl. Airport (IAD) to Cadjehoun Airport (COO)?
To arrive at Cadjehoun Airport (COO) on time, pick a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood 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 Washington Dulles Intl. Airport (IAD) to Cadjehoun Airport (COO) last-minute?
Last-minute fares from IAD to COO are typically more expensive. To secure the lowest prices, start looking for flights early. That said, if you're flexible with your travel plans, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an IAD to COO flight and hotel package?
You'll generally save money by securing an IAD to COO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred flights and accommodations, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Cadjehoun Airport (COO)?
If you reserved your IAD to COO flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare 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, visit our Customer Service portal for more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Cadjehoun
Airlines serving
Air Canada, Air France, Brussels Airlines, Delta, Ethiopian Airlines, KLM, Royal Air Maroc, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$1,092
Distance
5396 mi

Book with confidence

Washington to Cotonou Flights

The cheapest times to fly from Washington 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 Washington to Cotonou are during the month of February. You can find some of the cheapest flights from Washington to Cotonou with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Cotonou

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Cotonou in 2025. You can also book with separate airlines for your outbound and return journeys, from $759 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 Washington 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 Washington 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.

 

Washington to Cotonou Flights

Explore a world of travel with Expedia

*Available to One Key members.