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Flights from Washington D.C. to Cotonou

Find flight deals from Washington D.C. to Cotonou for the next 3 months. Book one way flights from $1,267 or round trip flights from $1,224.

      • IAD 9:45 PM
        19h 5m
        1 stop
        COO 9:50 PM
        Washington D.C. - Cotonou | Sat, May 23 | Delta Air Lines
        COO 12:20 AM
        24h 15m
        1 stop
        IAD 7:35 PM
        Cotonou - Washington D.C. | Sat, May 30 | Delta Air Lines
        $1,224 $2,100
        42% off
        42% off
        $2,100 $1,224
      • IAD 6:15 PM
        22h 35m
        1 stop
        COO 9:50 PM
        Washington D.C. - Cotonou | Mon, Jun 8 | Delta Air Lines
        COO 12:20 AM
        20h 45m
        1 stop
        IAD 4:05 PM
        Cotonou - Washington D.C. | Mon, Jun 15 | Delta Air Lines
        $1,300 $2,100
        38% off
        38% off
        $2,100 $1,300
      • IAD 6:15 PM
        22h 35m
        1 stop
        COO 9:50 PM
        Washington D.C. - Cotonou | Sat, Jun 13 | Delta Air Lines
        COO 12:20 AM
        20h 45m
        1 stop
        IAD 4:05 PM
        Cotonou - Washington D.C. | Sat, Jun 20 | Delta Air Lines
        $1,454 $2,100
        31% off
        31% off
        $2,100 $1,454
      • IAD 9:00 PM
        27h 20m
        1 stop
        COO 5:20 AM
        Washington D.C. - Cotonou | Sat, May 23 | Royal Air Maroc
        COO 4:40 AM
        19h 20m
        1 stop
        IAD 7:00 PM
        Cotonou - Washington D.C. | Sat, May 30 | Royal Air Maroc
        $1,490
        28% off
        $2,100 $1,490
      • IAD 1:20 PM
        26h 55m
        1 stop
        COO 9:15 PM
        Washington D.C. - Cotonou | Sat, May 23 | Turkish Airlines
        COO 10:15 PM
        42h 20m
        1 stop
        IAD 11:35 AM
        Cotonou - Washington D.C. | Sat, May 30 | Turkish Airlines
        $1,648
        22% off
        $2,100 $1,648
      • IAD 1:20 PM
        25h 20m
        1 stop
        COO 7:40 PM
        Washington D.C. - Cotonou | Sun, Jun 21 | Turkish Airlines
        COO 10:15 PM
        26h 35m
        1 stop
        IAD 7:50 PM
        Cotonou - Washington D.C. | Sun, Jun 28 | Turkish Airlines
        $1,688
        20% off
        $2,100 $1,688
      • IAD 10:55 AM
        20h 20m
        1 stop
        COO 12:15 PM
        Washington D.C. - Cotonou | Sat, May 23 | Ethiopian Airlines
        COO 1:30 PM
        24h 25m
        1 stop
        IAD 8:55 AM
        Cotonou - Washington D.C. | Sat, May 30 | Ethiopian Airlines
        $1,691
        19% off
        $2,100 $1,691
      • IAD 9:00 PM
        25h 15m
        1 stop
        COO 3:15 AM
        Washington D.C. - Cotonou | Wed, Jul 1 | Royal Air Maroc
        COO 4:15 AM
        19h 45m
        1 stop
        IAD 7:00 PM
        Cotonou - Washington D.C. | Wed, Jul 8 | Royal Air Maroc
        $1,693
        19% off
        $2,100 $1,693
      • IAD 1:20 PM
        26h 55m
        1 stop
        COO 9:15 PM
        Washington D.C. - Cotonou | Sat, Jun 13 | Turkish Airlines
        COO 10:15 PM
        42h 20m
        1 stop
        IAD 11:35 AM
        Cotonou - Washington D.C. | Sat, Jun 20 | Turkish Airlines
        $1,693
        19% off
        $2,100 $1,693
      • IAD 1:20 PM
        26h 55m
        1 stop
        COO 9:15 PM
        Washington D.C. - Cotonou | Fri, May 29 | Turkish Airlines
        COO 10:15 PM
        42h 20m
        1 stop
        IAD 11:35 AM
        Cotonou - Washington D.C. | Fri, Jun 5 | Turkish Airlines
        $1,722
        18% off
        $2,100 $1,722
      • WAS 1:00 PM
        17h 25m
        1 stop
        COO 2:00 PM
        Washington D.C. - Cotonou | Fri, May 22 | Normal Airline
        COO 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Cotonou - Washington D.C. | Sun, May 24 | Normal Airline
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      • IAD 9:40 PM
        11h 45m
        1 stop
        COO 2:25 PM
        Washington D.C. - Cotonou | Sat, May 23 | Ethiopian Airlines
        $1,267 $2,076
        39% off
        39% off
        $2,076 $1,267
      • IAD 9:45 PM
        19h 5m
        1 stop
        COO 9:50 PM
        Washington D.C. - Cotonou | Sat, May 23 | Delta Air Lines
        $1,606 $2,076
        23% off
        23% off
        $2,076 $1,606
      • IAD 6:15 PM
        22h 35m
        1 stop
        COO 9:50 PM
        Washington D.C. - Cotonou | Sat, May 23 | Air France
        $1,702 $2,076
        18% off
        18% off
        $2,076 $1,702
      • WAS 1:00 PM
        17h 25m
        1 stop
        COO 2:00 PM
        Washington D.C. - Cotonou | Fri, May 22 | Normal Airline
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Displayed flight fares from Washington D.C. to Cotonou are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Washington D.C. to Cotonou (WAS-COO)?

    Based on Trip.com data, Ethiopian Airlines offers one-way fares as low as $1,267 on Cheapest nonstop routes (e.g. IAD to COO on Sat, May 23), while Delta Air Lines offers Cheapest nonstop round-trips from $1,224 departing on Sat, May 23 and returning on Sat, May 30.
  • At the moment, several airlines serve connecting flights from Washington D.C. to Cotonou, including: Air France Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Cotonou is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Washington D.C. to Cotonou, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, May 23, with one-way flights priced at just $1,267.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ethiopian Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Cotonou travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Cotonou is October, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Washington D.C. to Cotonou on May 27, 2026 with Ethiopian Airlines, with prices starting at $903.
  • You can land at any one of the following hubs in Cotonou, with Dulles International Airport to Cotonou Cadjehoun International Airport (IAD-COO) is by far the most common option on this route: Cotonou Cadjehoun International Airport (COO).
  • The time difference between Cotonou and Washington D.C. is 6h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.