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Dulles Intl

$342+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
CMN — IAD
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
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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Cheapflights Tip: The best prices from Casablanca Mohamed V to Washington, D.C. Dulles Intl are usually found in December or March, booked 71 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 May 9, 2026.

This United Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 10/2811:15 am
CMN
-
IAD
2 stops38h 18m
United Airlines
Wed 11/189:45 am
IAD
-
CMN
1 stop18h 45m
United Airlines
Deal found 5/8$674
This SAUDIA deal was found by Cheapflights users on 5/7. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/272:55 pm
CMN
-
IAD
1 stop29h 45m
SAUDIA
Sat 8/86:50 pm
IAD
-
CMN
1 stop29h 50m
SAUDIA
Deal found 5/7$675
This SAUDIA deal was found by Cheapflights users on 5/8. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:25 pm
CMN
-
IAD
1 stop24h 20m
SAUDIA
Sat 7/186:50 pm
IAD
-
CMN
1 stop29h 50m
SAUDIA
Deal found 5/8$676
This FlightHub deal was found by Cheapflights users on 5/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:25 am
CMN
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Tue 7/2110:35 pm
IAD
-
CMN
1 stop12h 45m
TAP AIR PORTUGAL
Deal found 5/8$678
This Orbitz deal was found by Cheapflights users on 5/6. 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 6/291:25 am
CMN
-
IAD
1 stop19h 30m
Lufthansa
Sun 8/3010:15 pm
IAD
-
CMN
1 stop21h 05m
Lufthansa
Deal found 5/6$680
This Justfly.com deal was found by Cheapflights users on 5/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:10 pm
CMN
-
IAD
1 stop32h 25m
TAP AIR PORTUGAL
Sun 8/910:35 pm
IAD
-
CMN
1 stop12h 55m
TAP AIR PORTUGAL
Deal found 5/6$681
This Orbitz deal was found by Cheapflights users on 5/6. 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 6/291:25 am
CMN
-
IAD
2 stops38h 47m
Air Canada
Sun 8/3010:10 pm
IAD
-
CMN
2 stops28h 05m
Air Canada
Deal found 5/6$682
This KLM deal was found by Cheapflights users on 5/5. 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 5/208:00 pm
CMN
-
IAD
1 stop24h 35m
KLM
Tue 6/29:45 pm
IAD
-
CMN
1 stop18h 15m
KLM
Deal found 5/5$683
This United Airlines deal was found by Cheapflights users on 5/7. 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 7/79:00 am
CMN
-
IAD
1 stop11h 01m
United Airlines
Wed 8/53:45 pm
IAD
-
CMN
1 stop10h 30m
United Airlines
Deal found 5/7$684
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 6/179:00 am
CMN
-
IAD
1 stop11h 03m
United Airlines
Tue 8/1812:35 pm
IAD
-
CMN
2 stops13h 40m
United Airlines
Deal found 5/5$686
This United Airlines deal was found by Cheapflights users on 5/8. 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 6/169:00 am
CMN
-
IAD
1 stop12h 19m
United Airlines
Wed 7/223:45 pm
IAD
-
CMN
1 stop10h 30m
United Airlines
Deal found 5/8$687

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 May 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$674
(United Airlines)

One-way from

$342
(SAUDIA)

Popular in

August

Cheapest in

December

Average price

$811
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. 7% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 9, 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

Wed 10/28

11:15 am-8:33 pm

2 stops38h 18m

Washington, D.C. Dulles Intl

Wed 11/18

9:00 am-10:30 am

2 stops19h 30m

$675

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 5/29

1:45 pm-3:35 pm

1 stop30h 50m

Washington, D.C. Dulles Intl

Wed 10/14

9:45 pm-2:50 pm

1 stop12h 05m

$687

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 5/22

7:35 am-4:05 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

Tue 5/26

1:32 pm-5:20 pm

2 stops22h 48m

$692

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 7/3

9:00 am-9:25 am

2 stops29h 25m

Washington, D.C. Dulles Intl

Tue 9/1

10:38 am-7:15 am

2 stops15h 37m

$695

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 7/3

9:00 am-3:01 pm

1 stop11h 01m

Washington, D.C. Dulles Intl

Fri 8/28

3:40 pm-7:15 am

2 stops34h 35m

$702

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 7/1

9:00 am-9:24 am

2 stops29h 24m

Washington, D.C. Dulles Intl

Sun 7/26

10:31 am-7:15 am

2 stops39h 44m

$702

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 6/28

9:00 am-11:19 pm

2 stops43h 19m

Washington, D.C. Dulles Intl

Sun 8/30

10:35 am-7:15 am

2 stops39h 40m

$702

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 7/1

9:00 am-11:52 am

2 stops31h 52m

Washington, D.C. Dulles Intl

Mon 8/10

5:34 pm-7:15 am

1 stop32h 41m

$706

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Mon 6/29

9:00 am-7:26 am

2 stops27h 26m

Washington, D.C. Dulles Intl

Tue 8/4

10:34 pm-7:15 am

2 stops27h 41m

$706
Quickest round-trip

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 6/14

7:35 am-7:35 pm

1 stop17h 00m

Washington, D.C. Dulles Intl

Tue 7/14

9:45 pm-2:50 pm

1 stop12h 05m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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 May.
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
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 $986). 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 May 9, 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 May 9, 2026.
Read through reviews of airlines operating flights from Casablanca to Washington, D.C. Dulles Intl Airport, such as KLM,SAUDIA, andAir France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,513 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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
1,513 reviews
KLM
7.8
Good
1,513 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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
7.4
Good
685 reviews
KLM
7.8
Good
1,513 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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
7.4
Good
1,585 reviews
KLM
7.8
Good
1,513 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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
2,249 reviews
KLM
7.8
Good
1,513 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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
604 reviews
KLM
7.8
Good
1,513 reviews

Boarding

7.8

Entertainment

7.2

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

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 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 8 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 11h 01m. 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 ($454), TAP AIR PORTUGAL ($481), and Air Canada ($551) offers the cheapest pricing from Casablanca to Washington, D.C. Dulles Intl Airport. Users have found that SAUDIA is 46% 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 $296 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 $800, our data indicates the cheapest price to be $625. The most popular route (Casablanca Mohamed V - Washington, D.C. Dulles Intl), is priced around $484.

  • 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 $986). 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
Tysons
Owings Mills
Arlington
Springfield
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest$441Average$505FlexibilityNo cancel feeOn-time86%
TAP AIR PORTUGALCheapest$481Average$549FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$551Average$634FlexibilityNo cancel feeOn-time67%
KLMCheapest$560Average$685FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$563Average$731FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$564Average$590FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$577Average$716FlexibilityNo cancel feeOn-time77%
Royal Air MarocCheapest$699Average$863FlexibilityNo cancel feeOn-time75%

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