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Dulles Intl

$374+ Cheap flights from Casablanca (CMN) 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
CMN — IAD
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
1 adult, Economy
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Find cheap flights from Casablanca to Dulles Intl with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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Cheapflights Tip: The best prices from Casablanca Mohamed V to Washington, D.C. Dulles Intl are usually found in December or March, booked 73 days in advance, depart on a Sunday or Friday and return on a Wednesday

Cheap flight deals from Casablanca to Dulles Intl

Cheapest flights from Casablanca to Dulles Intl
Explore the most affordable flight options available from Casablanca to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.

This oojo deal was found by Cheapflights users on 6/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:25 am
CMN
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Sat 9/510:35 pm
IAD
-
CMN
1 stop12h 45m
TAP AIR PORTUGAL
Deal found 6/26$663
This Orbitz deal was found by Cheapflights users on 6/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:25 am
CMN
-
IAD
1 stop23h 35m
Lufthansa
Tue 8/2510:15 pm
IAD
-
CMN
1 stop21h 15m
Lufthansa
Deal found 6/26$666
This Travelocity deal was found by Cheapflights users on 6/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:25 am
CMN
-
IAD
1 stop17h 10m
Lufthansa
Wed 9/2310:10 pm
IAD
-
CMN
1 stop21h 20m
Lufthansa
Deal found 6/25$667
This KLM deal was found by Cheapflights users on 6/22. 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.
Wed 7/88:00 pm
CMN
-
IAD
1 stop24h 35m
KLM
Tue 11/36:40 pm
IAD
-
CMN
1 stop17h 25m
KLM
Deal found 6/22$668
This Expedia deal was found by Cheapflights users on 6/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:25 am
CMN
-
IAD
1 stop17h 10m
Lufthansa
Tue 9/810:10 pm
IAD
-
CMN
1 stop21h 20m
Lufthansa
Deal found 6/24$670
This Priceline deal was found by Cheapflights users on 6/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:45 pm
CMN
-
IAD
2 stops29h 03m
Air Canada
Mon 2/110:10 pm
IAD
-
CMN
2 stops30h 20m
Air Canada
Deal found 6/24$673
This oojo deal was found by Cheapflights users on 6/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:25 pm
CMN
-
IAD
1 stop26h 45m
TAP AIR PORTUGAL
Mon 7/1310:35 pm
IAD
-
CMN
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 6/26$675
This Orbitz deal was found by Cheapflights users on 6/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:00 am
CMN
-
IAD
2 stops31h 43m
Air Canada
Wed 11/259:55 am
IAD
-
CMN
1 stop18h 35m
Air Canada
Deal found 6/22$676
This Lufthansa deal was found by Cheapflights users on 6/25. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:25 am
CMN
-
IAD
1 stop18h 50m
Lufthansa
Wed 8/1210:15 pm
IAD
-
CMN
1 stop21h 15m
Lufthansa
Deal found 6/25$678
This Mytrip deal was found by Cheapflights users on 6/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:25 am
CMN
-
IAD
1 stop19h 40m
Multiple Airlines
Wed 7/299:55 am
IAD
-
CMN
2 stops16h 20m
Multiple Airlines
Deal found 6/24$682
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:00 am
CMN
-
IAD
1 stop15h 00m
United Airlines
Thu 1/149:55 am
IAD
-
CMN
1 stop18h 35m
United Airlines
Deal found 6/22$683

Find flight deals from Casablanca to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Casablanca (CMN) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$663
(oojo)

One-way from

$374
(Trip.com)

Popular in

August

Cheapest in

December

Average price

$855
Provider with most accurate pricing for Casablanca Mohamed V-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Casablanca Mohamed V-Washington, D.C. Dulles Intl flights.
Search Deals
From Casablanca Mohamed V to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Casablanca Mohamed V to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Casablanca to Dulles Intl 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 June 27, 2026.
Use the filters below to find and compare flights from Casablanca to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Tue 10/6

9:00 am-7:00 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Thu 1/14

9:55 am-10:30 am

1 stop18h 35m

$683

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Mon 10/5

1:25 am-7:00 pm

2 stops22h 35m

Washington, D.C. Dulles Intl

Thu 1/14

9:55 am-10:30 am

2 stops18h 35m

$684

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 7/10

9:00 am-7:20 am

2 stops27h 20m

Washington, D.C. Dulles Intl

Tue 8/25

9:45 am-7:15 am

1 stop16h 30m

$685

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 9/3

9:00 am-5:37 pm

2 stops37h 37m

Washington, D.C. Dulles Intl

Thu 9/10

10:09 pm-7:15 am

2 stops28h 06m

$699

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 9/2

5:55 pm-6:55 pm

1 stop30h 00m

Washington, D.C. Dulles Intl

Thu 9/10

1:29 pm-11:55 am

2 stops17h 26m

$706
Quickest round-trip

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sat 7/11

7:35 am-7:35 pm

1 stop17h 00m

Washington, D.C. Dulles Intl

Mon 7/20

9:45 pm-5:20 pm

1 stop14h 35m

$728

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 7/29

10:25 am-11:13 pm

2 stops17h 48m

Washington, D.C. Dulles Intl

Thu 8/6

5:40 pm-10:00 pm

1 stop23h 20m

$731

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Mon 7/27

10:25 am-11:13 pm

2 stops17h 48m

Washington, D.C. Dulles Intl

Tue 9/1

5:40 pm-7:10 pm

1 stop20h 30m

$736

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Mon 8/31

10:25 am-11:26 pm

2 stops18h 01m

Washington, D.C. Dulles Intl

Mon 9/7

6:15 pm-5:20 pm

1 stop18h 05m

$737
Cheapest one-way

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Tue 7/7

8:25 pm-3:45 pm

1 stop24h 20m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Casablanca to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Casablanca to Dulles Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Casablanca-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Casablanca-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Casablanca-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Casablanca-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Casablanca-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Casablanca to Dulles Intl

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

How far ahead should I book a flight from Casablanca to Washington, D.C. Dulles Intl Airport?

To ensure you get the cheapest price possible for a flight from Casablanca to Washington, D.C. Dulles Intl Airport, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, December is the cheapest month in which you can book a flight from Casablanca to Washington, D.C. Dulles Intl Airport (average of $764). Flying from Casablanca to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $1,057). 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 time of day to fly from CMN to IAD?

Find hourly flight availability from Casablanca 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 June 27, 2026.

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

How much does it cost to fly round-trip from Casablanca to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated June 27, 2026.
Read through reviews of airlines operating flights from Casablanca to Washington, D.C. Dulles Intl Airport, such as KLM,Air France, andSAUDIA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,531 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air France
7.5
Good
1,614 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
SAUDIA
7.3
Good
689 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
TAP AIR PORTUGAL
7.2
Good
2,304 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Royal Air Maroc
6.2
Okay
618 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

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

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

    Casablanca Mohamed V (CMN) is the airport you will fly out of if you book a flight from Casablanca to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Mohamed V; the airport handles an average of 1 outbound flight to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Casablanca airport to Washington, D.C. Dulles Intl. It is only a 14.3 mi journey to Mohamed V (CMN) from Casablanca’s city center.

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

    Departing from Casablanca to Washington, D.C. Dulles Intl Airport will take you 15h. Airlines will cover a distance of 3818 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Casablanca to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, SAUDIA ($441), TAP AIR PORTUGAL ($481), and KLM ($558) offers the cheapest pricing from Casablanca to Washington, D.C. Dulles Intl Airport. Users have found that SAUDIA is 48% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Casablanca to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $298 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include SAUDIA from $313 and American Airlines from $500 one-way.

  • What are the cheapest flights from Casablanca to Washington, D.C. Dulles Intl Airport?

    Looking for the cheapest flight from Casablanca to Washington, D.C. Dulles Intl Airport? While on average our users pay $914, our data indicates the cheapest price to be $606. The most popular route (Casablanca Mohamed V - Washington, D.C. Dulles Intl), is priced around $603.

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

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

  • How can I find direct flights from Casablanca to Dulles Intl?

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

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

    Yes. Cheapflights offers flight deals from Casablanca 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 Casablanca to Washington, D.C. Dulles Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from Casablanca to Washington, D.C. Dulles Intl Airport (average of $764). Flying from Casablanca to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $1,057). 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.

See more FAQs

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Laurel
Fredericksburg
Hanover
Chantilly
Manassas
Waldorf
Silver Spring
Largo
Clinton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Casablanca to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Rabat to Dulles Intl flights
Marrakech to Dulles Intl flights

Top 8 airlines flying from Casablanca to Dulles Intl

Discover the top 8 airlines that operate flights from Casablanca to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest$441Average$522FlexibilityNo cancel feeOn-time86%
TAP AIR PORTUGALCheapest$481Average$557FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$558Average$699FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$573Average$684FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$578Average$790FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$611Average$693FlexibilityNo cancel feeOn-time67%
Royal Air MarocCheapest$677Average$869FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$803Average$1,021FlexibilityNo cancel feeOn-time71%

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