How long is the flight from Cotonou to Washington, D.C. Dulles Intl Airport?

Departing from Cotonou to Washington, D.C. Dulles Intl Airport will take you 21h 15m. The distance from Cotonou to Washington, D.C. Dulles Intl Airport is about 5393 mi. This flight may include one or multiple stops.

What is the cheapest month to book a flight from Cotonou to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Cotonou to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Cotonou to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Cotonou to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Cotonou to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest day to fly round-trip from Cotonou to Washington, D.C. Dulles Intl Airport?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 36% when planning your travel around this day of the week.

What airport do you fly from for flights from Cotonou to Washington, D.C. Dulles Intl?

Most people fly from Cotonou (COO) if they book a flight from Cotonou to Washington, D.C. Dulles Intl. On average, Cotonou has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Cotonou is conveniently located just 2.4 mi from Cotonou’s city center.

Can I find deals for flights from Cotonou to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Cotonou to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Cotonou to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cotonou to Dulles Intl.

Can I find deals for business class flights from Cotonou to Dulles Intl?

Yes. Cheapflights offers flight deals from Cotonou to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,247+ Flights from Cotonou to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Cotonou to Dulles Intl

Round-trip from	$1,247 (Ethiopian Air)

From Cotonou to Washington, D.C. Dulles Intl

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Best flights from Cotonou to Dulles Intl
Discover carefully curated flight deals from Cotonou to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 11, 2025.

jue. 2/121:30 pmCOO - IAD

2 stops24h 30mEthiopian Air

lun. 2/1610:00 amIAD - COO

1 stop20h 15mEthiopian Air

Deal found 9/8

$1,247

mié. 2/111:20 amCOO - IAD

1 stop21h 15mAir France

lun. 2/166:50 pmIAD - COO

1 stop22h 00mAir France

Deal found 9/9

$1,416

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cotonou to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CotonouWashington, D.C.

COO - IAD

COOIAD

Cotonou

jue. 2/12

1:30 pm-8:00 am

2 stops24h 30m

Washington, D.C. Dulles Intl

lun. 2/16

10:00 am-12:15 pm

1 stop20h 15m

$1,247

CotonouWashington, D.C.

COO - IAD

COOIAD

Cotonou

mié. 2/11

1:20 am-4:35 pm

1 stop21h 15m

Washington, D.C. Dulles Intl

lun. 2/16

6:50 pm-10:50 pm

1 stop22h 00m

$1,416

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Best time to book a flight from Cotonou to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Cotonou 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 Cotonou to Washington, D.C. Dulles Intl Airport

What is the cheapest time of day to fly from COO to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cotonou to Washington, D.C. Dulles Intl Airport as you normally would.

Related info for your journey

What airport do you fly from for flights from Cotonou to Washington, D.C. Dulles Intl?
Most people fly from Cotonou (COO) if they book a flight from Cotonou to Washington, D.C. Dulles Intl. On average, Cotonou has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Cotonou is conveniently located just 2.4 mi from Cotonou’s city center.
How long is the flight from Cotonou to Washington, D.C. Dulles Intl Airport?
Departing from Cotonou to Washington, D.C. Dulles Intl Airport will take you 21h 15m. The distance from Cotonou to Washington, D.C. Dulles Intl Airport is about 5393 mi. This flight may include one or multiple stops.
Can I find deals for flights from Cotonou to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Cotonou to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Cotonou to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cotonou to Dulles Intl.
Can I find deals for business class flights from Cotonou to Dulles Intl?
Yes. Cheapflights offers flight deals from Cotonou to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Cotonou to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Cotonou to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Cotonou to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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