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Cheap flights from Casablanca to Washington, D.C. from $345

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 4/2. 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.
Delta Logo
5:55 am - 4:35 pm
CMN
-
IAD
16h 40m1 stop
Delta Logo
6:50 pm - 6:35 pm
IAD
-
CMN
17h 45m1 stop
$626Delta
Fri, Jan 30 - Fri, Feb 6
KLM Logo
5:55 am - 7:09 pm
CMN
-
IAD
19h 14m2 stops
KLM Logo
6:50 pm - 9:25 pm
IAD
-
CMN
20h 35m1 stop
$628KLM
Wed, Jan 21 - Wed, Jan 28
KLM Logo
5:55 am - 7:09 pm
CMN
-
IAD
19h 14m2 stops
KLM Logo
12:23 pm - 1:20 pm
IAD
-
CMN
18h 57m2 stops
$632KLM
Wed, Jan 21 - Wed, Jan 28
United Airlines Logo
12:15 pm - 5:35 pm
CMN
-
IAD
35h 20m2 stops
United Airlines Logo
9:00 am - 10:35 am
IAD
-
CMN
43h 35m3 stops
$637United Airlines
Wed, Jan 28 - Wed, Feb 4
Delta Logo
5:55 am - 7:09 pm
CMN
-
IAD
19h 14m2 stops
Delta Logo
12:38 pm - 3:35 pm
IAD
-
CMN
21h 57m2 stops
$639Delta
Thu, Feb 5 - Sat, Feb 21
TAP AIR PORTUGAL Logo
4:50 pm - 2:35 pm
CMN
-
IAD
27h 45m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 4:00 pm
IAD
-
CMN
16h 30m1 stop
$641TAP AIR PORTUGAL
Mon, Jan 12 - Sat, Jan 17
Multiple Airlines Logo
2:30 am - 3:50 pm
CMN
-
IAD
19h 20m1 stop
Multiple Airlines Logo
10:07 pm - 7:15 am
IAD
-
CMN
28h 08m2 stops
$643Multiple Airlines
Thu, Jan 15 - Sat, Apr 4
Delta Logo
11:25 am - 11:06 pm
CMN
-
IAD
17h 41m2 stops
Delta Logo
6:50 pm - 9:25 pm
IAD
-
CMN
20h 35m1 stop
$645Delta
Thu, Jan 15 - Fri, Jan 30
TAP AIR PORTUGAL Logo
4:50 pm - 3:35 pm
CMN
-
IAD
27h 45m1 stop
TAP AIR PORTUGAL Logo
5:55 pm - 10:40 am
IAD
-
CMN
11h 45m1 stop
$646TAP AIR PORTUGAL
Mon, Mar 23 - Fri, May 22
Multiple Airlines Logo
2:30 am - 3:50 pm
CMN
-
IAD
19h 20m1 stop
Multiple Airlines Logo
8:20 am - 7:15 am
IAD
-
CMN
41h 55m2 stops
$649Multiple Airlines
Thu, Jan 15 - Thu, Apr 2

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

Our best United Airlines deals on Casablanca to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 28
CMN12:15 pmCasablanca Mohamed V
35h 20m
2 stops
IAD5:35 pmWashington, D.C. Dulles Intl
Feb 4
IAD9:00 amWashington, D.C. Dulles Intl
43h 35m
3 stops
CMN10:35 amCasablanca Mohamed V
$637
Find similar
United Airlines
Dec 24
CMN12:15 pmCasablanca Mohamed V
34h 05m
2 stops
IAD4:20 pmWashington, D.C. Dulles Intl
Mar 11
IAD10:22 pmWashington, D.C. Dulles Intl
31h 18m
2 stops
CMN9:40 amCasablanca Mohamed V
$729
Find similar
United Airlines
Dec 24
CMN12:15 pmCasablanca Mohamed V
14h 44m
1 stop
IAD8:59 pmWashington, D.C. Dulles Intl
Mar 11
IAD10:31 pmWashington, D.C. Dulles Intl
31h 09m
2 stops
CMN9:40 amCasablanca Mohamed V
$742
Find similar

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

Our best Lufthansa deals on Casablanca to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Jan 15
CMN2:30 amCasablanca Mohamed V
19h 20m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Apr 3
IAD10:20 pmWashington, D.C. Dulles Intl
21h 10m
2 stops
CMN12:30 amCasablanca Mohamed V
$656
Find similar
Lufthansa
Jan 15
CMN2:30 amCasablanca Mohamed V
19h 05m
2 stops
IAD3:35 pmWashington, D.C. Dulles Intl
Apr 3
IAD10:20 pmWashington, D.C. Dulles Intl
21h 10m
2 stops
CMN12:30 amCasablanca Mohamed V
$702
Find similar
Lufthansa
Mar 6
CMN2:30 amCasablanca Mohamed V
22h 45m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
Mar 28
IAD10:55 pmWashington, D.C. Dulles Intl
20h 25m
2 stops
CMN12:20 amCasablanca Mohamed V
$715
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 December 23, 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 1/30

5:55 am-4:35 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

Fri 2/6

6:50 pm-6:35 pm

1 stop17h 45m

$626

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 1/21

5:55 am-7:09 pm

2 stops19h 14m

Washington, D.C. Dulles Intl

Wed 1/28

6:50 pm-9:25 pm

1 stop20h 35m

$628

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 1/21

5:55 am-7:09 pm

2 stops19h 14m

Washington, D.C. Dulles Intl

Wed 1/28

12:23 pm-1:20 pm

2 stops18h 57m

$632

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Wed 1/28

12:15 pm-5:35 pm

2 stops35h 20m

Washington, D.C. Dulles Intl

Wed 2/4

9:00 am-10:35 am

3 stops43h 35m

$637

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 2/5

5:55 am-7:09 pm

2 stops19h 14m

Washington, D.C. Dulles Intl

Sat 2/21

12:38 pm-3:35 pm

2 stops21h 57m

$639

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Mon 1/12

4:50 pm-2:35 pm

1 stop27h 45m

Washington, D.C. Dulles Intl

Sat 1/17

5:30 pm-4:00 pm

1 stop16h 30m

$641

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 1/15

2:30 am-3:50 pm

1 stop19h 20m

Washington, D.C. Dulles Intl

Sat 4/4

10:07 pm-7:15 am

2 stops28h 08m

$643

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 1/15

11:25 am-11:06 pm

2 stops17h 41m

Washington, D.C. Dulles Intl

Fri 1/30

6:50 pm-9:25 pm

1 stop20h 35m

$645

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Mon 3/23

4:50 pm-3:35 pm

1 stop27h 45m

Washington, D.C. Dulles Intl

Fri 5/22

5:55 pm-10:40 am

1 stop11h 45m

$646

CasablancaWashington, D.C.

CMN - IAD

CMNIAD

Casablanca Mohamed V

Thu 1/15

2:30 am-3:50 pm

1 stop19h 20m

Washington, D.C. Dulles Intl

Thu 4/2

8:20 am-7:15 am

2 stops41h 55m

$649

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, May 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 $746. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $764.

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 $843. 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 $975.

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 $880 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 $855 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 $649 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 December 2025, prices for Casablanca to Washington, D.C. Dulles Intl Airport flights are approximately 24% 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

$337

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 $337. The best round-trip flight deal from Casablanca to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $764.
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.
Search flight deals

  • 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 7h 20m.

  • 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
648 reviews
Search SAUDIA flights
TAP AIR PORTUGALPriceFrom $474Free CancellationRating
7.2
2,096 reviews
Search TAP AIR PORTUGAL flights
Air FrancePriceFrom $491Free CancellationRating
7.4
1,513 reviews
Search Air France flights
LufthansaPriceFrom $530Free CancellationRating
6.8
7,649 reviews
Search Lufthansa flights
KLMPriceFrom $558Free CancellationRating
7.7
1,434 reviews
Search KLM flights
United AirlinesPriceFrom $564Free CancellationRating
7.4
9,103 reviews
Search United Airlines flights
Royal Air MarocPriceFrom $747Free CancellationRating
6.2
542 reviews
Search Royal Air Maroc flights

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

    Across 2 Royal Air Maroc flights from Casablanca to Washington, D.C. Dulles Intl Airport this week, the average price was $889, with the best Royal Air Maroc deals starting from $747 round-trip. 541 users have rated Royal Air Maroc on momondo, with an average score of 6.2/10.

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
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Gaithersburg
Reston
Manassas
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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