HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$338+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
CMN — IAD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Casablanca to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
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 Sunday 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 January 27, 2026.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/26. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:50 pm
CMN
-
IAD
1 stop33h 10m
TAP AIR PORTUGAL
Tue 3/106:30 pm
IAD
-
CMN
1 stop13h 00m
TAP AIR PORTUGAL
Deal found 1/26$621
This oojo deal was found by Cheapflights users on 1/27. 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 7/292:55 pm
CMN
-
IAD
1 stop29h 50m
SAUDIA
Thu 8/66:50 pm
IAD
-
CMN
1 stop29h 50m
SAUDIA
Deal found 1/27$623
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/812:15 pm
CMN
-
IAD
1 stop14h 39m
United Airlines
Mon 9/79:45 am
IAD
-
CMN
1 stop16h 30m
United Airlines
Deal found 1/26$627
This KLM deal was found by Cheapflights users on 1/27. 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.
Sun 2/85:55 am
CMN
-
IAD
1 stop16h 40m
Multiple Airlines
Sun 2/1512:24 pm
IAD
-
CMN
2 stops16h 56m
Multiple Airlines
Deal found 1/27$629
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:15 pm
CMN
-
IAD
1 stop13h 39m
United Airlines
Fri 3/610:22 pm
IAD
-
CMN
2 stops31h 13m
United Airlines
Deal found 1/26$632
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/612:15 pm
CMN
-
IAD
2 stops25h 15m
United Airlines
Thu 9/39:45 am
IAD
-
CMN
1 stop16h 30m
United Airlines
Deal found 1/26$637
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/812:15 pm
CMN
-
IAD
1 stop14h 39m
United Airlines
Sun 2/1510:40 pm
IAD
-
CMN
2 stops54h 55m
United Airlines
Deal found 1/27$640
This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/26. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/812:15 pm
CMN
-
IAD
1 stop14h 45m
TAP AIR PORTUGAL
Fri 9/410:35 pm
IAD
-
CMN
1 stop12h 55m
TAP AIR PORTUGAL
Deal found 1/26$642
This Priceline deal was found by Cheapflights users on 1/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/612:15 pm
CMN
-
IAD
2 stops29h 33m
Air Canada
Wed 5/69:55 am
IAD
-
CMN
2 stops16h 20m
Air Canada
Deal found 1/26$643
This KLM deal was found by Cheapflights users on 1/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:35 am
CMN
-
IAD
2 stops16h 35m
KLM
Wed 10/216:15 pm
IAD
-
CMN
1 stop18h 05m
KLM
Deal found 1/25$644
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:55 am
CMN
-
IAD
1 stop15h 40m
Delta
Wed 3/1110:40 pm
IAD
-
CMN
1 stop12h 55m
Delta
Deal found 1/26$645

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$621
(TAP AIR PORTUGAL)

One-way from

$338
(FlightHub)

Popular in

August

Cheapest in

May

Average price

$859
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. 8% potential increase in price ($77 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 January 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 January 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

Casablanca

Fly to

Dulles Intl

Route

Depart

Return

Price

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 2/8

12:15 pm-8:54 pm

1 stop14h 39m

Washington, D.C. Dulles Intl

Mon 9/7

9:45 am-7:15 am

1 stop16h 30m

$627

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 2/8

5:55 am-4:35 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

Sun 2/15

12:24 pm-10:20 am

2 stops16h 56m

$629

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 2/8

12:15 pm-4:25 pm

2 stops34h 10m

Washington, D.C. Dulles Intl

Sun 2/15

10:40 pm-10:35 am

2 stops54h 55m

$640

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 1/30

11:50 am-9:00 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

Thu 9/3

5:45 pm-10:40 am

1 stop11h 55m

$642

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 2/8

12:15 pm-8:54 pm

1 stop14h 39m

Washington, D.C. Dulles Intl

Sat 9/5

10:07 pm-7:15 am

2 stops28h 08m

$648

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 3/5

2:30 am-8:15 pm

1 stop22h 45m

Washington, D.C. Dulles Intl

Mon 3/30

10:07 pm-7:15 am

2 stops52h 08m

$649

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 2/25

5:55 am-4:35 pm

1 stop15h 40m

Washington, D.C. Dulles Intl

Mon 3/16

1:19 pm-3:35 pm

2 stops22h 16m

$650

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Tue 2/3

4:50 pm-9:00 pm

1 stop34h 10m

Washington, D.C. Dulles Intl

Fri 9/4

5:05 pm-4:30 pm

1 stop18h 25m

$650

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Tue 2/3

4:50 pm-9:00 pm

1 stop34h 10m

Washington, D.C. Dulles Intl

Sat 9/5

5:05 pm-4:20 pm

1 stop18h 15m

$650

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Mon 2/2

12:20 pm-2:35 pm

1 stop32h 15m

Washington, D.C. Dulles Intl

Wed 9/2

5:45 pm-4:20 pm

1 stop17h 35m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 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 Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 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 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?

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 23, 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 December is currently the most expensive (average of $589). 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 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 January 27, 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
1,443 reviews

Food

7.3

Overall

7.7

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

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
1,443 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Overall

7.7

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

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
659 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Overall

7.7

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

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
1,526 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Overall

7.7

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

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
2,130 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Overall

7.7

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

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
571 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Overall

7.7

Crew

8.4

Comfort

7.6

Boarding

7.8

Entertainment

7.1

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 0 outbound flights 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 14h 39m. Airlines will cover a distance of 3818 mi.

  • 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 ($487), and Air France ($491) offers the cheapest pricing from Casablanca to Washington, D.C. Dulles Intl Airport. Users have found that SAUDIA is 49% 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 $732, our data indicates the cheapest price to be $580. The most popular route (Casablanca Mohamed V - Washington, D.C. Dulles Intl), is priced around $511.

  • 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 December is currently the most expensive (average of $589). 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
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest$424Average$480FlexibilityNo cancel feeOn-time86%
TAP AIR PORTUGALCheapest$487Average$557FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$491Average$639FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$530Average$731FlexibilityNo cancel feeOn-time76%
KLMCheapest$560Average$653FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$564Average$590FlexibilityNo cancel feeOn-time69%
Royal Air MarocCheapest$735Average$888FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.