$602 Cheap Flights from Washington (IAD) to Constantine (CZL)

View $602 flight on Tue, Aug 4, 2026Opens in a new window

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

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Cheap Flights from Washington to Constantine (IAD-CZL)

Prices were available within the past 7 days and start at $602 for one-way flights and $643 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Sun, Mar 1 - Wed, Mar 18
IAD
Washington
CZL
Constantine
$643 Roundtrip, found 4 days ago
$643
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Sun, Mar 1 from Washington to Constantine, returning Wed, Mar 18, priced at $643 found 4 days ago
Turkish Airlines
Sun, Mar 1 - Mon, Mar 16
IAD
Washington
CZL
Constantine
$673 Roundtrip, found 4 days ago
$673
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Sun, Mar 1 from Washington to Constantine, returning Mon, Mar 16, priced at $673 found 4 days ago
Turkish Airlines
Sat, Feb 28 - Wed, Mar 4
IAD
Washington
CZL
Constantine
$683 Roundtrip, found 6 days ago
$683
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Sat, Feb 28 from Washington to Constantine, returning Wed, Mar 4, priced at $683 found 6 days ago
Turkish Airlines
Sun, Mar 1 - Sat, Mar 21
IAD
Washington
CZL
Constantine
$753 Roundtrip, found 4 days ago
$753
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Sun, Mar 1 from Washington to Constantine, returning Sat, Mar 21, priced at $753 found 4 days ago
Turkish Airlines
Sat, Mar 7 - Wed, Mar 18
IAD
Washington
CZL
Constantine
$822 Roundtrip, found 4 days ago
$822
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Sat, Mar 7 from Washington to Constantine, returning Wed, Mar 18, priced at $822 found 4 days ago
Turkish Airlines
Sat, Mar 7 - Mon, Mar 16
IAD
Washington
CZL
Constantine
$852 Roundtrip, found 4 days ago
$852
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Sat, Mar 7 from Washington to Constantine, returning Mon, Mar 16, priced at $852 found 4 days ago
Turkish Airlines
Fri, Mar 6 - Wed, Mar 18
IAD
Washington
CZL
Constantine
$877 Roundtrip, found 4 days ago
$877
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Fri, Mar 6 from Washington to Constantine, returning Wed, Mar 18, priced at $877 found 4 days ago
Turkish Airlines
Fri, Mar 6 - Mon, Mar 16
IAD
Washington
CZL
Constantine
$907 Roundtrip, found 4 days ago
$907
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Fri, Mar 6 from Washington to Constantine, returning Mon, Mar 16, priced at $907 found 4 days ago
Turkish Airlines
Fri, May 8 - Thu, Jul 23
IAD
Washington
CZL
Constantine
$927 Roundtrip, found 6 days ago
$927
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Fri, May 8 from Washington to Constantine, returning Thu, Jul 23, priced at $927 found 6 days ago
Air France
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
CZL
Constantine
$1,031 Roundtrip, found 4 days ago
$1,031
Roundtrip
found 4 days ago
Select Air France flight, departing Wed, Mar 4 from Washington to Constantine, returning Wed, Mar 18, priced at $1,031 found 4 days ago

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Alternative airports near Constantine

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Mohamed Boudiaf CZL. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $932
CZL
Mohamed Boudiaf
CheapestClosest
Average driving time to city center7 min
Flights from $932

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) cost?
You can find cheap one-way flights from $602 and cheap return flights from $643 Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) with Expedia. Roundtrip flights usually range from $1088 to $8306. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
The cheapest month to fly from IAD to CZL is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
Enter IAD to CZL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
Air France is one of the cheapest airlines offering connecting flights from Washington Dulles Intl. (IAD) to Constantine (CZL) with a layover in Roissy-Charles de Gaulle (CDG), starting from around $973 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
The earliest flight from Washington Dulles International Airport (IAD) to Mohamed Boudiaf Airport (CZL) typically departs at around 1:30 PM. This flight is operated by Turkish Airlines. An early afternoon departure allows you to maximize your time in Constantine. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
The busiest day for flights from Washington Dulles Intl. (IAD) to Mohamed Boudiaf (CZL) is a Friday, with around 7 flights. This gives you plenty of options for your travel plans. Major airlines on this route include United, Air France, and Turkish Airlines.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
The most popular departure times for flights from Washington, DC (IAD) to Constantine (CZL) are in the late evening, from 9pm to midnight. About 61% of passengers prefer this time window. Airlines such as Air France and United Airlines operate during this period. This timing is favored as it allows you to maximize your day in Washington before heading to the airport.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
Flying from IAD to CZL with a connection usually takes about 17 hours 50 minutes, traveling roughly 4,429 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
Business class seats are offered on the IAD to CZL route with Turkish Airlines.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Constantine from Washington Dulles Intl. (IAD)?
If you're planning to travel to Constantine from Washington Dulles Intl. (IAD), you can fly into Mohamed Boudiaf (CZL) Some flights may connect through major hubs like Roissy-Charles de Gaulle (CDG), Heathrow (LHR), Fiumicino - Leonardo da Vinci Intl. (FCO) before reaching Constantine. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals 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, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Constantine (CZL-Mohamed Boudiaf) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Mohamed Boudiaf
Airlines serving
Turkish Airlines
Roundtrip price
$642
Distance
4428 mi

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 March. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $602 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

*Flight schedules are subject to change.

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