Dulles Intl

$324+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
CMN — IAD
Aug 31 — Sep 71
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 September or March, booked 59 days in advance, depart on a Wednesday or Saturday and return on a Friday

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 August 26, 2025.

Round-trip from

$575
(United Airlines)

One-way from

$324
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$1,076
From Casablanca Mohamed V to Washington, D.C. Dulles Intl
One-way flight from Casablanca Mohamed V to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 3% potential increase in price ($33 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 26, 2025.

This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:35 amCMN - IAD
2 stops27h 52mUnited Airlines
Sat 1/1012:40 pmIAD - CMN
2 stops13h 10mUnited Airlines
Deal found 8/25$575
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:35 amCMN - IAD
1 stop16h 24mUnited Airlines
Sun 1/1810:20 pmIAD - CMN
2 stops51h 30mUnited Airlines
Deal found 8/25$576
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:00 amCMN - IAD
2 stops31h 55mUnited Airlines
Thu 1/89:00 amIAD - CMN
2 stops16h 50mUnited Airlines
Deal found 8/25$577
This KLM deal was found by Cheapflights users on 8/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:55 amCMN - IAD
1 stop19h 20mKLM
Mon 1/266:50 pmIAD - CMN
1 stop14h 45mKLM
Deal found 8/26$578
This KLM deal was found by Cheapflights users on 8/25. 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.
Sun 10/1910:20 amCMN - IAD
1 stop13h 55mKLM
Sun 1/116:50 pmIAD - CMN
1 stop19h 05mKLM
Deal found 8/25$579
This Air Canada deal was found by Cheapflights users on 8/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:15 amCMN - IAD
2 stops29h 34mAir Canada
Wed 1/1410:06 pmIAD - CMN
2 stops30h 29mAir Canada
Deal found 8/26$581
This Air France deal was found by Cheapflights users on 8/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:25 amCMN - IAD
1 stop13h 55mAir France
Sun 11/2312:11 pmIAD - CMN
2 stops16h 09mAir France
Deal found 8/25$582
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:00 amCMN - IAD
2 stops35h 57mUnited Airlines
Wed 1/215:48 pmIAD - CMN
1 stop32h 02mUnited Airlines
Deal found 8/25$583
This Air France deal was found by Cheapflights users on 8/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:30 amCMN - IAD
2 stops17h 07mAir France
Tue 10/146:30 pmIAD - CMN
1 stop21h 30mAir France
Deal found 8/25$584
This Delta deal was found by Cheapflights users on 8/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:20 amCMN - IAD
1 stop13h 55mDelta
Sun 11/166:50 pmIAD - CMN
1 stop17h 45mDelta
Deal found 8/25$585
This Air Canada deal was found by Cheapflights users on 8/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:15 amCMN - IAD
2 stops33h 54mAir Canada
Fri 1/910:10 pmIAD - CMN
2 stops30h 25mAir Canada
Deal found 8/26$587
This Air Canada deal was found by Cheapflights users on 8/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:15 amCMN - IAD
2 stops33h 54mAir Canada
Tue 1/61:05 pmIAD - CMN
2 stops15h 30mAir Canada
Deal found 8/25$588

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 August 26, 2025.
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

Tue 11/4

9:35 am-9:07 pm

2 stops17h 32m

Washington, D.C. Dulles Intl

Fri 1/16

10:12 pm-7:50 am

2 stops27h 38m

$575

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Tue 11/4

9:35 am-9:07 pm

2 stops17h 32m

Washington, D.C. Dulles Intl

Wed 1/14

10:12 pm-7:50 am

2 stops27h 38m

$575

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 11/5

9:35 am-7:27 am

2 stops27h 52m

Washington, D.C. Dulles Intl

Sat 1/10

12:40 pm-7:50 am

2 stops13h 10m

$575

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 11/6

9:35 am-8:57 pm

2 stops17h 22m

Washington, D.C. Dulles Intl

Fri 1/16

10:20 pm-7:50 am

2 stops27h 30m

$575

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 11/5

9:35 am-9:07 pm

2 stops17h 32m

Washington, D.C. Dulles Intl

Wed 1/14

10:20 pm-7:50 am

2 stops27h 30m

$575

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 11/6

9:35 am-8:57 pm

2 stops17h 22m

Washington, D.C. Dulles Intl

Mon 1/12

10:20 pm-7:50 am

2 stops27h 30m

$575

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 11/6

9:35 am-8:57 pm

2 stops17h 22m

Washington, D.C. Dulles Intl

Sat 1/10

12:40 pm-7:50 am

2 stops13h 10m

$575

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 11/5

9:35 am-9:07 pm

2 stops17h 32m

Washington, D.C. Dulles Intl

Thu 1/15

6:00 am-7:50 am

2 stops19h 50m

$575

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 11/7

9:35 am-7:27 am

2 stops27h 52m

Washington, D.C. Dulles Intl

Sat 1/10

12:40 pm-7:50 am

2 stops13h 10m

$575

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 11/5

9:35 am-9:07 pm

2 stops17h 32m

Washington, D.C. Dulles Intl

Fri 1/16

10:20 pm-7:50 am

2 stops27h 30m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/25

Showing 1-10 of 22 results
1
2
3

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 August 22, 2025.

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 59 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, August is the cheapest month in which you can book a flight from Casablanca to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Casablanca to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 August 26, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 37% on flights from Casablanca to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

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 August 26, 2025.
Read through reviews of airlines operating flights from Casablanca to Washington, D.C. Dulles Intl Airport, such as SAUDIA, Air France, and TAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.5

Entertainment

7.1

Overall

7.4

Crew

7.9

Food

7.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Kamal,Apr 2025

CAI - RUH

One of the best airline you can fly on from the checking in, the boarding, in flight entertainment and flight services duty free on board duty free on time arrival, etc. Keep up the excellent work

Comfort

7.5

Entertainment

7.1

Overall

7.4

Crew

7.9

Food

7.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Kamal,Apr 2025

CAI - RUH

One of the best airline you can fly on from the checking in, the boarding, in flight entertainment and flight services duty free on board duty free on time arrival, etc. Keep up the excellent work

Comfort

7.5

Entertainment

7.1

Overall

7.4

Crew

7.9

Food

7.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Kamal,Apr 2025

CAI - RUH

One of the best airline you can fly on from the checking in, the boarding, in flight entertainment and flight services duty free on board duty free on time arrival, etc. Keep up the excellent work

Comfort

7.5

Entertainment

7.1

Overall

7.4

Crew

7.9

Food

7.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Kamal,Apr 2025

CAI - RUH

One of the best airline you can fly on from the checking in, the boarding, in flight entertainment and flight services duty free on board duty free on time arrival, etc. Keep up the excellent work

Comfort

7.5

Entertainment

7.1

Overall

7.4

Crew

7.9

Food

7.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Kamal,Apr 2025

CAI - RUH

One of the best airline you can fly on from the checking in, the boarding, in flight entertainment and flight services duty free on board duty free on time arrival, etc. Keep up the excellent work

Comfort

7.5

Entertainment

7.1

Overall

7.4

Crew

7.9

Food

7.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Kamal,Apr 2025

CAI - RUH

One of the best airline you can fly on from the checking in, the boarding, in flight entertainment and flight services duty free on board duty free on time arrival, etc. Keep up the excellent work

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 10 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 17h 32m. 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, TAP AIR PORTUGAL ($408), SAUDIA ($424), and Iberia ($443) offers the cheapest pricing from Casablanca to Washington, D.C. Dulles Intl Airport. Users have found that TAP AIR PORTUGAL is 50% cheaper than the other options available to this destination.

  • 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 $1,019, our data indicates the cheapest price to be $627. The most popular route (Casablanca Mohamed V - Washington, D.C. Dulles Intl), is priced around $445.

  • 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, August is the cheapest month in which you can book a flight from Casablanca to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Casablanca to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Linthicum Heights
Fairfax
Towson
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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 10 airlines flying from Casablanca to Dulles Intl

Discover the top 10 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 August 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$408Average$558FlexibilityNo cancel feeOn-timeN/A
SAUDIACheapest$424Average$474FlexibilityNo cancel feeOn-time86%
IberiaCheapest$443Average$500FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$460Average$586FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$491Average$612FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$530Average$731FlexibilityNo cancel feeOn-time76%
DeltaCheapest$536Average$712FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$564Average$670FlexibilityNo cancel feeOn-time69%
KLMCheapest$619Average$726FlexibilityNo cancel feeOn-time75%
Royal Air MarocCheapest$760Average$911FlexibilityNo 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.