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Cheap Flights from Washington D.C. (IAD) to Cotonou (COO)

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Flight deals from Washington Dulles to Cotonou

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Cotonou Airport? If you want to travel next month, return fares start from $2,144. Find the lowest prices on one-way and return tickets right here.
Cotonou.$1,731 per passenger.Departing Fri, 16 Oct, returning Tue, 3 Nov.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Washington Dulles on Fri, 16 Oct, arriving in Cotonou.Inbound indirect flight with Ethiopian Airlines, departs from Cotonou on Tue, 3 Nov, arriving in Washington Dulles.Price includes taxes and charges.From $1,731, select.
Cotonou.$1,762 per passenger.Departing Wed, 9 Sep, returning Mon, 21 Sep.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Washington Dulles on Wed, 9 Sep, arriving in Cotonou.Inbound indirect flight with Ethiopian Airlines, departs from Cotonou on Mon, 21 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $1,762, select.
Cotonou.$1,766 per passenger.Departing Mon, 18 Jan, returning Mon, 25 Jan.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Washington Dulles on Mon, 18 Jan, arriving in Cotonou.Inbound indirect flight with Ethiopian Airlines, departs from Cotonou on Mon, 25 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $1,766, select.
Cotonou.$1,818 per passenger.Departing Thu, 27 Aug, returning Thu, 10 Sep.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Washington Dulles on Thu, 27 Aug, arriving in Cotonou.Inbound indirect flight with Ethiopian Airlines, departs from Cotonou on Thu, 10 Sep, arriving in Washington Dulles.Price includes taxes and charges.From $1,818, select.
Cotonou.$1,890 per passenger.Departing Thu, 9 Jul, returning Thu, 16 Jul.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Washington Dulles on Thu, 9 Jul, arriving in Cotonou.Inbound indirect flight with Ethiopian Airlines, departs from Cotonou on Thu, 16 Jul, arriving in Washington Dulles.Price includes taxes and charges.From $1,890, select.
Cotonou.$1,973 per passenger.Departing Tue, 8 Dec, returning Tue, 2 Mar.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Washington Dulles on Tue, 8 Dec, arriving in Cotonou.Inbound indirect flight with Ethiopian Airlines, departs from Cotonou on Tue, 2 Mar, arriving in Washington Dulles.Price includes taxes and charges.From $1,973, select.
Cotonou.$2,142 per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Washington Dulles on Wed, 19 Aug, arriving in Cotonou.Inbound indirect flight with Ethiopian Airlines, departs from Cotonou on Wed, 26 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $2,142, select.
Cotonou.$2,412 per passenger.Departing Wed, 23 Dec, returning Mon, 4 Jan.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Washington Dulles on Wed, 23 Dec, arriving in Cotonou.Inbound indirect flight with Ethiopian Airlines, departs from Cotonou on Mon, 4 Jan, arriving in Washington Dulles.Price includes taxes and charges.From $2,412, select.
Cotonou.$2,686 per passenger.Departing Fri, 31 Jul, returning Thu, 6 Aug.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Washington Dulles on Fri, 31 Jul, arriving in Cotonou.Inbound indirect flight with Ethiopian Airlines, departs from Cotonou on Thu, 6 Aug, arriving in Washington Dulles.Price includes taxes and charges.From $2,686, select.

Find the cheapest month to fly from Washington Dulles to Cotonou

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Cotonou flights are currently cheapest in September.
Jul
from $1,890
Aug
from $2,142
Sep
from $1,762
Oct
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Nov
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Dec
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Jan
from $1,766
Feb
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Mar
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Apr
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May
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Jun
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Washington Dulles to Cotonou: Alternative routes

Compare routes from Washington Dulles to Cotonou below. You may find an airport to fly into that's cheaper, faster, or easier than Cotonou.

Cotonou

6km from central Cotonou
ClosestCheapest
from $1,733
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Washington D.C. to Cotonou: Flight information

The things to know before you go.
Cheapest flight found$1,733
Cheapest month to flyOctober

Finding cheap flights from Washington Dulles to Cotonou: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Cotonou is $1,731. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Cotonou. But we found flights with one or more stops from $1,733.
As of July 2026, there are no flights flying from Washington Dulles to Cotonou.
The cheapest month to fly from Washington Dulles to Cotonou is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Cotonou Airport on Friday, 16 October 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Cotonou Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cotonou but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cotonou is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Ethiopian Airlines offers the cheapest flight tickets to Cotonou.

Travelling from Washington Dulles Airport (IAD) to Cotonou Airport (COO): what you need to know

  • The timezone in Cotonou is UTC+1, which is six hours ahead of Washington DC.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to board your IAD to COO flight.

  • During popular months such as July, it's best to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during a peak period in general.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from Washington Dulles Airport to Cotonou Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Top stopovers between IAD and COO include:

    • Istanbul Airport

    • Paris Charles de Gaulle Airport

    • Brussels International Airport

How to find the cheapest flights from Washington Dulles Airport (IAD) to Cotonou Airport (COO)

  • At the moment, $1,279 is the lowest price we've seen for a one-way Washington Dulles Airport to Cotonou Airport flight. The best price for a return plane ticket is $1,731. Remember that fares may change due to demand when booking.

  • It's usually smart to book early if you want to find cheap tickets from IAD to COO. That's because flight prices are based on demand, which tends to increase closer to departure.

  • The 'Whole month' search tool shows you the cheapest flights from Washington Dulles Airport to Cotonou Airport across the entire month. It's a great way to find a bargain if your travel plans aren't set in stone.

  • Finding cheap flights from IAD to COO is easy with Price Alerts. Simply create one of these automatic alerts and we'll let you know when a lower fare pops up.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Washington Dulles Airport to Cotonou Airport.

Handy information about Washington Dulles Airport (IAD)

  • IAD's address is 1 Saarinen Circle.

  • When it comes to Washington Dulles Airport's on-time performance, data shows 77% of flights arrive within the expected timeframe.

  • Washington Dulles Airport is around 40 kilometres from central Washington DC. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 45 minutes or so to arrive, depending on the traffic.

  • You can expect a trip time of around 1 hour 10 minutes when using public transport.

  • Taking an early flight from Washington Dulles Airport to Cotonou Airport? Avoid rushing to the terminal (and sneak in some extra precious sleep) by picking one of these stays close to IAD:

Arriving at Cotonou Airport (COO)

  • If you're coming in on a late Washington Dulles Airport to Cotonou Airport flight, few things top the convenience of being close to the terminal. Grab your luggage from the carousel and then be showered and resting shortly after at one of these accommodation options near COO:

  • Begin your adventure by picking up a Cotonou Airport rental car. Grab a set of wheels from Hertz, Europcar or Avis and experience the lesser-explored corners of Cotonou and beyond.

  • Lock in the best rate by reserving your vehicle from Cotonou Airport about three weeks before your travel date.

When to fly to Cotonou Airport (COO)

  • It's time to work out your trip dates for your flight from Washington Dulles Airport to Cotonou Airport. August is the most popular month to head to Cotonou. If you like a more laid-back vibe, go in March.

  • Book your flight from Washington Dulles Airport to Cotonou Airport for March if you'd like to visit Cotonou during its warmest month. Expect temperatures of between 26ºC (79ºF) and 32ºC (90ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from IAD to COO in August. Temperatures average between 23ºC (73ºF) and 27ºC (81ºF) then.

Explore more of Benin

  • Keep your adventure going and see more of Benin. Abomey-Calavi is around 23 kilometres north-west of Cotonou and is full of things to keep you busy, including HOLY LAND PARC CALAVI.

  • Another favourite stop in Benin, Djougou is located around 386 kilometres north of Cotonou. Make room in your schedule for highlights including Cathedral of the Sacred Heart.

Plan smart, explore more

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Prices shown on this page are estimated lowest prices only. Found in the last 12 days.