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Dulles Intl

$337+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
CMN — IAD
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheapflights Tip: The best prices from Casablanca Mohamed V to Washington, D.C. Dulles Intl are usually found in May or December, booked 55 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap 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 January 14, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$637
(KLM)

One-way from

$337
(FlightHub)

Popular in

August

Cheapest in

May

Average price

$921
Provider with most accurate pricing for Casablanca Mohamed V-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Casablanca Mohamed V-Washington, D.C. Dulles Intl flights.
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From Casablanca Mohamed V to Washington, D.C. Dulles Intl
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One-way flight from Casablanca Mohamed V to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 14, 2026.

This KLM deal was found by Cheapflights users on 1/14. 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.
Sat 2/216:35 pm
CMN
-
IAD
1 stop26h 30m
KLM
Sat 3/217:50 pm
IAD
-
CMN
1 stop33h 30m
KLM
Deal found 1/14$637
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Sun 2/2212:15 pm
CMN
-
IAD
2 stops28h 35m
United Airlines
Thu 3/196:00 am
IAD
-
CMN
2 stops23h 40m
United Airlines
Deal found 1/13$638
This Air Canada deal was found by Cheapflights users on 1/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2012:15 pm
CMN
-
IAD
2 stops28h 34m
Air Canada
Thu 3/198:32 am
IAD
-
CMN
2 stops21h 08m
Air Canada
Deal found 1/14$639
This Delta deal was found by Cheapflights users on 1/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/25:55 am
CMN
-
IAD
1 stop16h 40m
Delta
Fri 5/89:45 pm
IAD
-
CMN
1 stop12h 05m
Delta
Deal found 1/13$640
This Air France deal was found by Cheapflights users on 1/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:25 am
CMN
-
IAD
2 stops16h 44m
Multiple Airlines
Thu 3/191:19 pm
IAD
-
CMN
2 stops17h 01m
Multiple Airlines
Deal found 1/14$642
This Flighttix deal was found by Cheapflights users on 1/14. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:15 pm
CMN
-
IAD
2 stops14h 14m
Air Canada
Wed 2/2510:13 pm
IAD
-
CMN
2 stops31h 22m
Air Canada
Deal found 1/14$643
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:55 am
CMN
-
IAD
1 stop15h 40m
Delta
Mon 3/2310:40 pm
IAD
-
CMN
1 stop14h 55m
Delta
Deal found 1/14$644
This CheapOair deal was found by Cheapflights users on 1/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:25 am
CMN
-
IAD
1 stop17h 10m
Multiple Airlines
Wed 8/510:07 pm
IAD
-
CMN
2 stops28h 08m
Multiple Airlines
Deal found 1/13$645
This KLM deal was found by Cheapflights users on 1/13. 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.
Sat 2/216:35 pm
CMN
-
IAD
1 stop26h 30m
KLM
Wed 3/1810:40 pm
IAD
-
CMN
1 stop12h 55m
KLM
Deal found 1/13$646
This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/14. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/204:50 pm
CMN
-
IAD
1 stop34h 10m
TAP AIR PORTUGAL
Fri 10/3011:30 pm
IAD
-
CMN
1 stop11h 30m
TAP AIR PORTUGAL
Deal found 1/14$647
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:55 am
CMN
-
IAD
1 stop15h 40m
Delta
Wed 3/181:19 pm
IAD
-
CMN
2 stops17h 01m
Delta
Deal found 1/14$648
This Air France deal was found by Cheapflights users on 1/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:55 am
CMN
-
IAD
1 stop15h 40m
Air France
Wed 3/181:19 pm
IAD
-
CMN
2 stops17h 01m
Air France
Deal found 1/13$649

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 January 14, 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

Casablanca

Fly to

Dulles Intl

Route

Depart

Return

Price

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 3/18

11:25 am-10:59 pm

2 stops15h 34m

Washington, D.C. Dulles Intl

Thu 4/2

5:40 pm-12:55 pm

1 stop14h 15m

$637

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 2/20

12:15 pm-7:29 am

2 stops24h 14m

Washington, D.C. Dulles Intl

Thu 3/19

6:00 am-9:40 am

2 stops23h 40m

$638

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 2/20

12:15 pm-11:49 am

2 stops28h 34m

Washington, D.C. Dulles Intl

Wed 3/18

10:22 pm-9:40 am

2 stops31h 18m

$638

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 2/1

12:15 pm-8:59 pm

2 stops38h 44m

Washington, D.C. Dulles Intl

Wed 5/6

10:24 pm-7:15 am

2 stops51h 51m

$638

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 2/6

12:15 pm-8:54 pm

1 stop14h 39m

Washington, D.C. Dulles Intl

Wed 5/6

5:10 pm-7:15 am

2 stops57h 05m

$638

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 2/18

12:15 pm-8:54 pm

1 stop13h 39m

Washington, D.C. Dulles Intl

Thu 3/19

8:20 am-9:40 am

2 stops21h 20m

$638

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 2/22

12:15 pm-8:54 pm

1 stop13h 39m

Washington, D.C. Dulles Intl

Wed 3/18

10:20 pm-9:40 am

2 stops31h 20m

$638

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 2/22

12:15 pm-4:05 pm

2 stops32h 50m

Washington, D.C. Dulles Intl

Tue 3/17

6:00 am-9:40 am

2 stops23h 40m

$638

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 2/4

12:15 pm-7:30 am

2 stops25h 15m

Washington, D.C. Dulles Intl

Sun 5/3

10:07 pm-7:15 am

2 stops28h 08m

$638

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 7/2

12:30 pm-3:30 pm

1 stop32h 00m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 19 results
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust 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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Casablanca-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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?

Use this chart to determine the optimal time to book a round-trip flight from Casablanca to Dulles Intl. Price data was last updated on January 9, 2026.

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 55 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, May is the cheapest month in which you can book a flight from Casablanca to Washington, D.C. Dulles Intl Airport (average of $447). Flying from Casablanca to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $600). 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 January 14, 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 January 14, 2026.
Read through reviews of airlines operating flights from Casablanca to Washington, D.C. Dulles Intl Airport, such as KLM, SAUDIA, and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,437 reviews

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.7

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,437 reviews
KLM
7.7
Good
1,437 reviews

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.7

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
SAUDIA
7.4
Good
658 reviews
KLM
7.7
Good
1,437 reviews

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.7

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air France
7.4
Good
1,522 reviews
KLM
7.7
Good
1,437 reviews

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.7

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
TAP AIR PORTUGAL
7.1
Good
2,119 reviews
KLM
7.7
Good
1,437 reviews

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.7

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Royal Air Maroc
6.2
Okay
559 reviews
KLM
7.7
Good
1,437 reviews

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Boarding

7.7

Food

7.2

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 34m. 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 ($424), TAP AIR PORTUGAL ($474), and Air France ($491) offers the cheapest pricing from Casablanca to Washington, D.C. Dulles Intl Airport. Users have found that SAUDIA is 50% 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 $290 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include SAUDIA from $290 and Air Canada from $511 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 $1,189, our data indicates the cheapest price to be $337. The most popular route (Casablanca Mohamed V - Washington, D.C. Dulles Intl), is priced around $505.

  • 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, May is the cheapest month in which you can book a flight from Casablanca to Washington, D.C. Dulles Intl Airport (average of $447). Flying from Casablanca to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $600). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Casablanca to Dulles Intl

Discover the top 7 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest$424Average$480FlexibilityNo cancel feeOn-time86%
TAP AIR PORTUGALCheapest$474Average$540FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$491Average$638FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$530Average$731FlexibilityNo cancel feeOn-time76%
KLMCheapest$558Average$685FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$564Average$590FlexibilityNo cancel feeOn-time69%
Royal Air MarocCheapest$734Average$887FlexibilityNo cancel feeOn-time75%

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