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).

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

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

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

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

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

Yes. Cheapflights offers flight deals from Benin 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.

$931+ Flights from Benin to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Benin to Dulles Intl

One-way flights from Benin to Dulles Intl
Search for one-way flight options from Benin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 21, 2025.

Thu 12/2512:50 amCOO - IAD

2 stops24h 30mTurkish Airlines

Deal found 12/20

$931

Tue 1/1311:45 amCOO - IAD

2 stops47h 15mMultiple Airlines

Deal found 12/19

$1,174

Fri 12/261:30 pmCOO - IAD

3 stops49h 35mMultiple Airlines

Deal found 12/20

$1,267

Mon 1/1212:50 amCOO - IAD

2 stops40h 55mTurkish Airlines

Deal found 12/19

$1,316

Fri 1/91:30 pmCOO - IAD

3 stops57h 55mMultiple Airlines

Deal found 12/19

$1,417

Thu 1/812:50 amCOO - IAD

2 stops40h 55mTurkish Airlines

Deal found 12/19

$1,431

Thu 1/81:20 amCOO - IAD

1 stop21h 15mAir France

Deal found 12/19

$1,545

Cheapflights Fare Finder

Use the filters below to find and compare flights from Benin 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

Thu 12/25

12:50 am-7:20 pm

2 stops24h 30m

$931

CotonouWashington, D.C.

COO - IAD

COOIAD

Cotonou

Tue 1/13

11:45 am-5:00 am

2 stops47h 15m

$1,174

CotonouWashington, D.C.

COO - IAD

COOIAD

Cotonou

Fri 12/26

1:30 pm-9:05 am

3 stops49h 35m

$1,267

CotonouWashington, D.C.

COO - IAD

COOIAD

Cotonou

Mon 1/12

12:50 am-11:45 am

2 stops40h 55m

$1,316

CotonouWashington, D.C.

COO - IAD

COOIAD

Cotonou

Fri 1/9

1:30 pm-5:25 pm

3 stops57h 55m

$1,417

CotonouWashington, D.C.

COO - IAD

COOIAD

Cotonou

Thu 1/8

12:50 am-11:45 am

2 stops40h 55m

$1,431

CotonouWashington, D.C.

COO - IAD

COOIAD

Cotonou

Thu 1/8

1:20 am-4:35 pm

1 stop21h 15m

$1,545

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Best time to book a flight from Benin to Dulles Intl

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

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

One of the essential ways to save on airfare from Benin to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 17% on airfare.

Related info for your journey

Can I find deals for flights from Benin to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Benin to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Benin to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Benin to Dulles Intl.
Can I find deals for business class flights from Benin to Dulles Intl?
Yes. Cheapflights offers flight deals from Benin 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.

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National Harbor

Bowie

Largo

McLean

Clinton

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$931+ Cheap flights from Benin to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Benin to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Benin to Dulles Intl

One-way flights from Benin to Dulles IntlSearch for one-way flight options from Benin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 21, 2025.

Search for one-way flight options from Benin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 21, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Benin to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Benin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Benin to Washington, D.C. Dulles Intl Airport

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

Find hourly flight availability from Benin to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.

Related info for your journey

Find useful and relevant information for your journey from Benin to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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One-way flights from Benin to Dulles Intl
Search for one-way flight options from Benin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 21, 2025.