$1,291+ 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
Jan 17 — Jan 241
1 adult, Economy
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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
Best flights from Washington to CotonouDiscover carefully curated flight deals from Washington to Cotonou that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
Discover carefully curated flight deals from Washington to Cotonou that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:05 amSEA - COO
2 stops35h 40mMultiple Airlines
Sat 3/214:45 amCOO - SEA
3 stops37h 34mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$1,291
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/309:45 pmSEA - COO
2 stops40h 05mDelta
Thu 2/51:20 amCOO - SEA
1 stop21h 00mDelta
Deal found 12/16![Delta logo]()
$1,477
This KLM deal was found by Cheapflights users on 12/16. 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 3/15:42 pmSEA - COO
2 stops44h 08mAir France
Fri 3/201:20 amCOO - SEA
2 stops24h 50mAir France
Deal found 12/16![Air France logo]()
$1,487
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:50 amSEA - COO
3 stops28h 15mAir Canada
Sat 3/218:00 pmCOO - SEA
3 stops31h 16mAir Canada
Deal found 12/15![Air Canada logo]()
$1,576
Find flight deals from Washington to Cotonou
Keep the following information in mind while searching for Washington to Cotonou flight deals. Data was last updated December 18, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,445 (Ovago) |
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 December 18, 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
7:05 am-3:45 am
2 stops35h 40m
Cotonou
Sat 3/21
4:45 am-10:19 am
3 stops37h 34m
$1,291
SeattleCotonou
SEA - COO
SEACOO
Seattle/Tacoma Intl
Fri 1/30
9:45 pm-10:50 pm
2 stops40h 05m
Cotonou
Thu 2/5
1:20 am-1:20 pm
1 stop21h 00m
$1,477
SeattleCotonou
SEA - COO
SEACOO
Seattle/Tacoma Intl
Sun 3/1
5:42 pm-10:50 pm
2 stops44h 08m
Cotonou
Fri 3/20
1:20 am-6:10 pm
2 stops24h 50m
$1,487
SeattleCotonou
SEA - COO
SEACOO
Seattle/Tacoma Intl
Sun 3/1
5:50 am-7:05 pm
3 stops28h 15m
Cotonou
Sat 3/21
8:00 pm-7:16 pm
3 stops31h 16m
$1,576
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 December 18, 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.