Cheap flights from Casablanca to Washington, D.C. from $437

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 1/20. 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

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SAUDIA Logo
2:55 pm - 3:45 pm
CMN
-
IAD
29h 50m1 stop
SAUDIA Logo
6:50 pm - 5:40 am
IAD
-
CMN
29h 50m1 stop
$479SAUDIA
Fri, Apr 24 - Sat, May 2
TAP AIR PORTUGAL Logo
12:20 pm - 9:00 pm
CMN
-
IAD
14h 40m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 4:00 pm
IAD
-
CMN
11h 30m1 stop
$490TAP AIR PORTUGAL
Wed, Jan 21 - Wed, Jan 28
SAUDIA Logo
8:25 pm - 3:45 pm
CMN
-
IAD
24h 20m1 stop
SAUDIA Logo
6:50 pm - 5:35 pm
IAD
-
CMN
41h 45m1 stop
$495SAUDIA
Tue, Apr 7 - Tue, Apr 21
TAP AIR PORTUGAL Logo
4:50 pm - 9:00 pm
CMN
-
IAD
34h 10m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 4:00 pm
IAD
-
CMN
11h 30m1 stop
$498TAP AIR PORTUGAL
Thu, Jan 15 - Fri, Jan 30
TAP AIR PORTUGAL Logo
12:15 pm - 9:00 pm
CMN
-
IAD
14h 45m1 stop
TAP AIR PORTUGAL Logo
10:35 pm - 4:20 pm
IAD
-
CMN
12h 45m1 stop
$499TAP AIR PORTUGAL
Sun, Feb 8 - Tue, May 5
TAP AIR PORTUGAL Logo
4:50 pm - 9:00 pm
CMN
-
IAD
34h 10m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 4:00 pm
IAD
-
CMN
12h 30m1 stop
$504TAP AIR PORTUGAL
Thu, Feb 5 - Wed, Feb 18
TAP AIR PORTUGAL Logo
4:50 pm - 9:00 pm
CMN
-
IAD
34h 10m1 stop
TAP AIR PORTUGAL Logo
5:45 pm - 4:20 pm
IAD
-
CMN
17h 35m1 stop
$505TAP AIR PORTUGAL
Sat, Feb 7 - Wed, May 6
SAUDIA Logo
8:30 pm - 2:05 pm
CMN
-
IAD
23h 35m1 stop
SAUDIA Logo
6:10 pm - 6:00 am
IAD
-
CMN
30h 50m1 stop
$506SAUDIA
Thu, Dec 25 - Sat, Feb 28
TAP AIR PORTUGAL Logo
11:50 am - 9:00 pm
CMN
-
IAD
15h 10m1 stop
TAP AIR PORTUGAL Logo
5:45 pm - 4:20 pm
IAD
-
CMN
17h 35m1 stop
$507TAP AIR PORTUGAL
Fri, Feb 6 - Wed, May 6
TAP AIR PORTUGAL Logo
4:50 pm - 9:00 pm
CMN
-
IAD
34h 10m1 stop
TAP AIR PORTUGAL Logo
10:35 pm - 10:40 am
IAD
-
CMN
31h 05m1 stop
$512TAP AIR PORTUGAL
Sat, Feb 7 - Thu, May 7

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

Our best SAUDIA deals on Casablanca to Washington, D.C. Dulles Intl Airport flight tickets
SAUDIA
Apr 24
CMN2:55 pmCasablanca Mohamed V
29h 50m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
May 2
IAD6:50 pmWashington, D.C. Dulles Intl
29h 50m
1 stop
CMN5:40 amCasablanca Mohamed V
SAUDIA
Apr 7
CMN8:25 pmCasablanca Mohamed V
24h 20m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Apr 21
IAD6:50 pmWashington, D.C. Dulles Intl
41h 45m
1 stop
CMN5:35 pmCasablanca Mohamed V
SAUDIA
Dec 25
CMN8:30 pmCasablanca Mohamed V
23h 35m
1 stop
IAD2:05 pmWashington, D.C. Dulles Intl
Feb 28
IAD6:10 pmWashington, D.C. Dulles Intl
30h 50m
1 stop
CMN6:00 amCasablanca Mohamed V

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

Our best KLM deals on Casablanca to Washington, D.C. Dulles Intl Airport flight tickets
KLM
Feb 7
CMN5:55 amCasablanca Mohamed V
16h 40m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
May 5
IAD6:30 pmWashington, D.C. Dulles Intl
15h 20m
1 stop
CMN2:50 pmCasablanca Mohamed V
KLM
Apr 27
CMN1:45 pmCasablanca Mohamed V
30h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
May 4
IAD6:30 pmWashington, D.C. Dulles Intl
21h 30m
1 stop
CMN9:00 pmCasablanca Mohamed V
KLM
Feb 19
CMN11:25 amCasablanca Mohamed V
16h 44m
2 stops
IAD11:09 pmWashington, D.C. Dulles Intl
Mar 14
IAD7:50 pmWashington, D.C. Dulles Intl
21h 35m
1 stop
CMN9:25 pmCasablanca Mohamed V

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 December 4, 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

Fri 4/24

2:55 pm-3:45 pm

1 stop29h 50m

Washington, D.C. Dulles Intl

Sat 5/2

6:50 pm-5:40 am

1 stop29h 50m

$479

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 1/21

12:20 pm-9:00 pm

1 stop14h 40m

Washington, D.C. Dulles Intl

Wed 1/28

10:30 pm-4:00 pm

1 stop11h 30m

$490

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Tue 4/7

8:25 pm-3:45 pm

1 stop24h 20m

Washington, D.C. Dulles Intl

Tue 4/21

6:50 pm-5:35 pm

1 stop41h 45m

$495

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

$498

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sun 2/8

12:15 pm-9:00 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Tue 5/5

10:35 pm-4:20 pm

1 stop12h 45m

$499

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 2/5

4:50 pm-9:00 pm

1 stop34h 10m

Washington, D.C. Dulles Intl

Wed 2/18

10:30 pm-4:00 pm

1 stop12h 30m

$504

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sat 2/7

4:50 pm-9:00 pm

1 stop34h 10m

Washington, D.C. Dulles Intl

Wed 5/6

5:45 pm-4:20 pm

1 stop17h 35m

$505

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 12/25

8:30 pm-2:05 pm

1 stop23h 35m

Washington, D.C. Dulles Intl

Sat 2/28

6:10 pm-6:00 am

1 stop30h 50m

$506

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Fri 2/6

11:50 am-9:00 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

Wed 5/6

5:45 pm-4:20 pm

1 stop17h 35m

$507

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Sat 2/7

4:50 pm-9:00 pm

1 stop34h 10m

Washington, D.C. Dulles Intl

Thu 5/7

10:35 pm-10:40 am

1 stop31h 05m

$512

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 $738.

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 $898 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 $844 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 $556 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.

Can stopping save me money on Casablanca to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a Casablanca to Washington, D.C. Dulles Intl Airport flight.

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

As of December 2025, prices for Casablanca to Washington, D.C. Dulles Intl Airport flights are approximately 28% 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

$594

Fastest flight time

7h 20m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun
The best one-way flight to Washington, D.C. Dulles Intl Airport from Casablanca in the past 72 hours is $594. The best round-trip flight deal from Casablanca to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $773.
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, Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Royal Air Maroc.
  • 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 50m.

  • 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
11,047 reviews
Search American Airlines flights
TAP AIR PORTUGALPriceFrom $472Free CancellationRating
7.1
2,081 reviews
Search TAP AIR PORTUGAL flights
Air FrancePriceFrom $491Free CancellationRating
7.4
1,502 reviews
Search Air France flights
LufthansaPriceFrom $530Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
KLMPriceFrom $558Free CancellationRating
7.7
1,430 reviews
Search KLM flights
United AirlinesPriceFrom $564Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
Royal Air MarocPriceFrom $754Free CancellationRating
6.2
532 reviews
Search Royal Air Maroc flights
  • American Airlines Flights From Casablanca to Washington, D.C. Dulles Intl Airport

    Across 2 American Airlines flights from Casablanca to Washington, D.C. Dulles Intl Airport this week, the average price was $599, with the best American Airlines deals starting from $460 round-trip. 11,047 users have rated American Airlines on momondo, with an average score of 7.2/10.

  • Royal Air Maroc Flights From Casablanca to Washington, D.C. Dulles Intl Airport

    Royal Air Maroc (6.2/10 from 532 reviews) operates around 2 flights from Casablanca to Washington, D.C. Dulles Intl Airport in any given week. The average Royal Air Maroc airfare for this route is around $898, with deals from around $754 rare but found on momondo. Referenced prices are for round-trip Casablanca to Washington, D.C. Dulles Intl Airport flight searches in the last 72 hours.

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
Rockville
Harpers Ferry
Reston
Manassas
Gaithersburg
Sterling
Fairfax

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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1 adult
Sat 1/3
Sat 1/10

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