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Cheap flights from Casablanca to Washington, D.C. from $431

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Casablanca to Washington, D.C. departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
12:15 pm - 10:00 pmCMN-IAD
13h 45m1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 4:00 pmIAD-CMN
12h 30m1 stop
$486TAP AIR PORTUGAL
Find Deal
Sun, Mar 8 - Sun, Mar 15
TAP AIR PORTUGAL Logo
4:50 pm - 9:00 pmCMN-IAD
34h 10m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 4:00 pmIAD-CMN
11h 30m1 stop
$496TAP AIR PORTUGAL
Find Deal
Tue, Jan 13 - Sun, Jan 18
SAUDIA Logo
8:25 pm - 3:45 pmCMN-IAD
24h 20m1 stop
SAUDIA Logo
6:50 pm - 6:35 pmIAD-CMN
42h 45m1 stop
$500SAUDIA
Find Deal
Thu, Apr 30 - Wed, May 13
TAP AIR PORTUGAL Logo
12:20 pm - 3:15 pmCMN-IAD
32h 55m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 4:00 pmIAD-CMN
12h 30m1 stop
$513TAP AIR PORTUGAL
Find Deal
Wed, Feb 11 - Sun, Feb 15
TAP AIR PORTUGAL Logo
12:15 pm - 10:00 pmCMN-IAD
13h 45m1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 4:00 pmIAD-CMN
12h 30m1 stop
$522TAP AIR PORTUGAL
Find Deal
Sun, Mar 8 - Sun, Mar 15
SAUDIA Logo
8:30 pm - 2:45 pmCMN-IAD
24h 15m1 stop
SAUDIA Logo
6:50 pm - 6:35 pmIAD-CMN
42h 45m1 stop
$523SAUDIA
Find Deal
Tue, Jan 13 - Wed, May 13
TAP AIR PORTUGAL Logo
12:15 pm - 9:00 pmCMN-IAD
14h 45m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 11:25 amIAD-CMN
11h 55m1 stop
$525TAP AIR PORTUGAL
Find Deal
Sun, Jan 18 - Sat, Jan 24
SAUDIA Logo
8:30 pm - 2:45 pmCMN-IAD
24h 15m1 stop
SAUDIA Logo
6:10 pm - 6:00 amIAD-CMN
29h 50m1 stop
$526SAUDIA
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Tue, Dec 23 - Thu, Feb 12
TAP AIR PORTUGAL Logo
4:50 pm - 9:00 pmCMN-IAD
34h 10m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 4:00 pmIAD-CMN
11h 30m1 stop
$531TAP AIR PORTUGAL
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Thu, Jan 15 - Fri, Jan 30
United Airlines Logo
12:15 pm - 8:54 pmCMN-IAD
13h 39m1 stop
United Airlines Logo
3:30 pm - 7:15 amIAD-CMN
34h 45m2 stops
$539United Airlines
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Wed, Feb 25 - Sat, May 2

TAP AIR PORTUGAL flights from Casablanca to Washington, D.C. Dulles Intl Airport

Our best TAP AIR PORTUGAL deals on Casablanca to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL
Mar 8
CMN12:15 pmCasablanca Mohamed V
13h 45m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
Mar 15
IAD11:30 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
CMN4:00 pmCasablanca Mohamed V
$486
Find similar
TAP AIR PORTUGAL
Dec 4
CMN4:50 pmCasablanca Mohamed V
34h 10m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
Feb 5
IAD5:30 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
CMN11:00 amCasablanca Mohamed V
$496
Find similar
TAP AIR PORTUGAL
Dec 4
CMN4:50 pmCasablanca Mohamed V
34h 10m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
Feb 4
IAD10:30 pmWashington, D.C. Dulles Intl
30h 30m
1 stop
CMN11:00 amCasablanca Mohamed V
$509
Find similar

Delta flights from Casablanca to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Casablanca to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jan 14
CMN11:25 amCasablanca Mohamed V
30h 18m
2 stops
IAD11:43 amWashington, D.C. Dulles Intl
May 28
IAD9:20 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
CMN2:50 pmCasablanca Mohamed V
$600
Find similar
Delta
Jan 15
CMN5:55 amCasablanca Mohamed V
16h 40m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Jan 30
IAD7:49 pmWashington, D.C. Dulles Intl
19h 36m
2 stops
CMN9:25 pmCasablanca Mohamed V
$601
Find similar
Delta
Jan 15
CMN5:55 amCasablanca Mohamed V
23h 11m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
May 6
IAD9:20 pmWashington, D.C. Dulles Intl
18h 40m
1 stop
CMN9:00 pmCasablanca Mohamed V
$607
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Casablanca to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated November 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

Fly to

Route

Depart

Return

Price

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 3/8

12:15 pm-10:00 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Sun 3/15

11:30 pm-4:00 pm

1 stop12h 30m

$486

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Tue 1/13

4:50 pm-9:00 pm

1 stop34h 10m

Washington, D.C. Dulles Intl

Sun 1/18

10:30 pm-4:00 pm

1 stop11h 30m

$496

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 4/30

8:25 pm-3:45 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Wed 5/13

6:50 pm-6:35 pm

1 stop42h 45m

$500

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 2/11

12:20 pm-3:15 pm

1 stop32h 55m

Washington, D.C. Dulles Intl

Sun 2/15

10:30 pm-4:00 pm

1 stop12h 30m

$513

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 3/8

12:15 pm-10:00 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Sun 3/15

11:30 pm-4:00 pm

1 stop12h 30m

$522

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Tue 1/13

8:30 pm-2:45 pm

1 stop24h 15m

Washington, D.C. Dulles Intl

Wed 5/13

6:50 pm-6:35 pm

1 stop42h 45m

$523

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 1/18

12:15 pm-9:00 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sat 1/24

5:30 pm-11:25 am

1 stop11h 55m

$525

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Tue 12/23

8:30 pm-2:45 pm

1 stop24h 15m

Washington, D.C. Dulles Intl

Thu 2/12

6:10 pm-6:00 am

1 stop29h 50m

$526

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 1/15

4:50 pm-9:00 pm

1 stop34h 10m

Washington, D.C. Dulles Intl

Fri 1/30

10:30 pm-4:00 pm

1 stop11h 30m

$531

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 2/25

12:15 pm-8:54 pm

1 stop13h 39m

Washington, D.C. Dulles Intl

Sat 5/2

3:30 pm-7:15 am

2 stops34h 45m

$539

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Casablanca to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Casablanca and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, March is the cheapest month to fly from Casablanca to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $615. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $746.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $870. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Casablanca to Washington, D.C. Dulles Intl Airport for around $1,057.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Casablanca in the morning is the least expensive time of day to depart. momondo users have found prices as low as $576 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $895 on average. Flights to Washington, D.C. Dulles Intl Airport from Casablanca in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Casablanca Mohamed V to Washington, D.C. Dulles Intl flight route?

Fly from Casablanca Mohamed V to Washington, D.C. Dulles Intl for the best Casablanca Mohamed V - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Casablanca when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $846 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Casablanca for as low as $551 on momondo.

What cabin class options are available on Casablanca Mohamed V to Washington, D.C. Dulles Intl flights?

There are 2 cabin classes available to choose from on Casablanca Mohamed V to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Casablanca to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of November 2025, prices for Casablanca to Washington, D.C. Dulles Intl Airport flights are approximately 1% cheaper when compared to flights at the same time last year.

When to book flights from Casablanca to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Casablanca to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Casablanca to Washington, D.C. Dulles Intl Airport (CMN to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Casablanca to Washington, D.C. Dulles Intl Airport

Best Price Found

$633

Fastest flight time

7h 20m

Direct flights

Mon, Tue, Thu, Sat and Sun
The best one-way flight to Washington, D.C. Dulles Intl Airport from Casablanca in the past 72 hours is $633. The best round-trip flight deal from Casablanca to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $805.
The fastest flight from Casablanca to Washington, D.C. Dulles Intl Airport takes 7h 20m
Direct flights go from Casablanca to Washington, D.C. Dulles Intl Airport on Monday, Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Royal Air Maroc.
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  • How far is Casablanca Mohamed V to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Casablanca Mohamed V to Washington, D.C. Dulles Intl is 3810.8 mi. By plane, this route typically takes 13h 39m.

  • When did momondo last update prices for flights from Casablanca Mohamed V Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Casablanca Mohamed V Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Casablanca Mohamed V Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Casablanca Mohamed V Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Casablanca Mohamed V Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Casablanca to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Casablanca to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Casablanca to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Casablanca to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
SAUDIAPriceFrom $424Free CancellationRating
7.4
645 reviews
Search SAUDIA flights
American AirlinesPriceFrom $460Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
TAP AIR PORTUGALPriceFrom $472Free CancellationRating
7.1
2,074 reviews
Search TAP AIR PORTUGAL flights
Air FrancePriceFrom $491Free CancellationRating
7.4
1,497 reviews
Search Air France flights
LufthansaPriceFrom $530Free CancellationRating
6.8
7,594 reviews
Search Lufthansa flights
KLMPriceFrom $558Free CancellationRating
7.7
1,422 reviews
Search KLM flights
United AirlinesPriceFrom $564Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
Royal Air MarocPriceFrom $752Free CancellationRating
6.2
530 reviews
Search Royal Air Maroc flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Sterling

Why use momondo?

Why should I use momondo to find a flight deal from Casablanca to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Casablanca.

Can I find flights from Casablanca to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Casablanca which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Casablanca to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Casablanca to Washington, D.C..

I’m not ready to book a flight from Casablanca to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Casablanca to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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