$1,434+ Cheap flights from Washington to Cotonou (COO)
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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — COO
Dec 3 — Dec 101
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Washington to Cotonou 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 Washington to Cotonou
Keep the following information in mind while searching for Washington to Cotonou flight deals. Data was last updated November 3, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,332 (oojo) |
Find flight deals from Washington to Cotonou
Cheapest flights from Washington to CotonouExplore the most affordable flight options available from Washington to Cotonou. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.
Explore the most affordable flight options available from Washington to Cotonou. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.
This KLM deal was found by Cheapflights users on 11/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:39 pmSEA - COO
2 stops44h 11mMultiple Airlines
Fri 11/141:20 amCOO - SEA
1 stop19h 05mMultiple Airlines
Deal found 11/1![Multiple Airlines logo]()
$1,826
This KLM deal was found by Cheapflights users on 11/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:39 pmSEA - COO
2 stops44h 11mAir France
Fri 11/141:20 amCOO - SEA
2 stops26h 20mAir France
Deal found 11/1![Air France logo]()
$1,836
This oojo deal was found by Cheapflights users on 11/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:00 amSEA - COO
2 stops22h 25mEthiopian Air
Sat 11/151:30 pmCOO - SEA
3 stops40h 24mEthiopian Air
Deal found 11/1![Ethiopian Air logo]()
$1,855
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to Cotonou 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 November 3, 2025.
Use the filters below to find and compare flights from Washington to Cotonou that are best for you.
Fly from
Washington
Fly to
Cotonou
Route
Depart
Return
Price
SeattleCotonou
SEA - COO
SEACOO
Seattle/Tacoma Intl
Sun 3/1
7:00 am-7:05 pm
2 stops27h 05m
Cotonou
Sat 3/21
8:00 pm-2:20 pm
3 stops26h 20m
$1,434
SeattleCotonou
SEA - COO
SEACOO
Seattle/Tacoma Intl
Mon 3/16
3:10 pm-10:50 pm
1 stop23h 40m
Cotonou
Thu 3/19
1:40 am-2:05 pm
1 stop20h 25m
$1,469
SeattleCotonou
SEA - COO
SEACOO
Seattle/Tacoma Intl
Sun 3/1
10:55 am-7:05 pm
2 stops23h 10m
Cotonou
Sat 3/21
8:00 pm-6:58 pm
3 stops30h 58m
$1,495
Best time to book a flight from Washington to Cotonou
Have a flexible travel schedule? Discover the best time to fly to Cotonou from Washington 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.
Cheapflights Insights
Everything you need to know about your flight from Washington to Cotonou
What is the cheapest time of day to fly from WA to COO?
Find hourly flight availability from Washington to Cotonou. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.
It’s typically best to fly out from State of Washington to Cotonou in the afternoon. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.
Related info for your journey
Find useful and relevant information for your journey from Washington to Cotonou. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes for Washington to Cotonou
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Washington to Cotonou
Discover the top airline that operate flights from Washington to Cotonou. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$771 | Average$1,086 | FlexibilityNo cancel fee | On-time77% |