$699 Cheap Flights from Washington (IAD) to Constantine (CZL)

View $699 flight on Fri, Dec 5, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Constantine (CZL-Mohamed Boudiaf)

Cheap Flights from Washington to Constantine (IAD-CZL)

Prices were available within the past 7 days and start at $699 for one-way flights and $657 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Tue, Dec 2 - Wed, Dec 10
IAD
Washington
CZL
Constantine
$657 Roundtrip, found 1 day ago
$657
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Tue, Dec 2 from Washington to Constantine, returning Wed, Dec 10, priced at $657 found 1 day ago
Turkish Airlines
Sun, Jan 18 - Thu, Jan 29
IAD
Washington
CZL
Constantine
$677 Roundtrip, found 6 days ago
$677
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Sun, Jan 18 from Washington to Constantine, returning Thu, Jan 29, priced at $677 found 6 days ago
Turkish Airlines
Thu, Dec 4 - Mon, Dec 8
IAD
Washington
CZL
Constantine
$687 Roundtrip, found 1 day ago
$687
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Thu, Dec 4 from Washington to Constantine, returning Mon, Dec 8, priced at $687 found 1 day ago
Turkish Airlines
Thu, Nov 27 - Mon, Dec 1
IAD
Washington
CZL
Constantine
$693 Roundtrip, found 1 day ago
$693
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Thu, Nov 27 from Washington to Constantine, returning Mon, Dec 1, priced at $693 found 1 day ago
Turkish Airlines
Fri, Dec 5 - Wed, Dec 10
IAD
Washington
CZL
Constantine
$697 Roundtrip, found 1 day ago
$697
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Fri, Dec 5 from Washington to Constantine, returning Wed, Dec 10, priced at $697 found 1 day ago
Turkish Airlines
Mon, Dec 1 - Wed, Dec 10
IAD
Washington
CZL
Constantine
$707 Roundtrip, found 1 day ago
$707
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Mon, Dec 1 from Washington to Constantine, returning Wed, Dec 10, priced at $707 found 1 day ago
Turkish Airlines
Tue, Dec 2 - Sat, Dec 13
IAD
Washington
CZL
Constantine
$717 Roundtrip, found 1 day ago
$717
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Tue, Dec 2 from Washington to Constantine, returning Sat, Dec 13, priced at $717 found 1 day ago
Turkish Airlines
Fri, Dec 5 - Mon, Dec 8
IAD
Washington
CZL
Constantine
$727 Roundtrip, found 1 day ago
$727
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Fri, Dec 5 from Washington to Constantine, returning Mon, Dec 8, priced at $727 found 1 day ago
Turkish Airlines
Fri, Dec 5 - Mon, Dec 15
IAD
Washington
CZL
Constantine
$737 Roundtrip, found 1 day ago
$737
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Fri, Dec 5 from Washington to Constantine, returning Mon, Dec 15, priced at $737 found 1 day ago
Air France
Wed, Dec 3 - Tue, Dec 9
IAD
Washington
CZL
Constantine
$908 Roundtrip, found 1 day ago
$908
Roundtrip
found 1 day ago
Select Air France flight, departing Wed, Dec 3 from Washington to Constantine, returning Tue, Dec 9, priced at $908 found 1 day ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Mohamed Boudiaf Airport (CZL) cost?
Grab a cheap one-way flight from $699 or cheap return flight from $657 from Washington Dulles Intl. Airport (IAD) to Mohamed Boudiaf Airport (CZL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Mohamed Boudiaf Airport (CZL)?
December is the least expensive month to fly from IAD to CZL. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Mohamed Boudiaf Airport (CZL)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAD to CZL flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Mohamed Boudiaf Airport (CZL)?
There aren't any daily nonstop flights from Washington Dulles Intl. Airport (IAD) to Mohamed Boudiaf Airport (CZL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from IAD to CZL?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Mohamed Boudiaf Airport (CZL)?
To land at Mohamed Boudiaf Airport (CZL) on schedule, book a flight that leaves from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Mohamed Boudiaf Airport (CZL) last-minute?
Waiting until just before your trip to book your flight from IAD to CZL generally means paying more. While it's possible to find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule for the best chance of scoring a bargain.
Is it cheaper to book an IAD to CZL flight and hotel package?
Booking an IAD to CZL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Mohamed Boudiaf Airport (CZL)?
If you booked your IAD to CZL flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Mohamed Boudiaf
Airlines serving
Turkish Airlines
Roundtrip price
$657
Distance
4428 mi

Book with confidence

Book with confidence

Washington to Constantine Flights

The cheapest times to fly from Washington to Constantine

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Constantine are during the month of December. You can find some of the cheapest flights from Washington to Constantine with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Constantine

Sunday is one of the best days to book for cheap flights from Washington to Constantine: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Constantine

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Constantine in 2025. You can also book with separate airlines for your outbound and return journeys, from $699 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Constantine flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Constantine airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Constantine Flights

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*Available to One Key members.