$655 Cheap Flights from Constantine (CZL) to Washington (IAD)

View $655 flight on Sat, Jul 11, 2026Opens in a new window

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

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Cheap Flights from Constantine to Washington (CZL-IAD)

Prices were available within the past 7 days and start at $655 for one-way flights and $1,364 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Sat, Jul 25 - Fri, Mar 19
CZL
Constantine
IAD
Washington
$1,364 Roundtrip, found 3 days ago
$1,364
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Sat, Jul 25 from Constantine to Washington, returning Fri, Mar 19, priced at $1,364 found 3 days ago
Air Algerie
Wed, Jul 8 - Fri, Mar 19
CZL
Constantine
IAD
Washington
$2,981 Roundtrip, found 3 days ago
$2,981
Roundtrip
found 3 days ago
Select Air Algerie flight, departing Wed, Jul 8 from Constantine to Washington, returning Fri, Mar 19, priced at $2,981 found 3 days ago
Air Algerie
Wed, Jul 8 - Fri, Mar 19
CZL
Constantine
IAD
Washington
$2,985 Roundtrip, found 3 days ago
$2,985
Roundtrip
found 3 days ago
Select Air Algerie flight, departing Wed, Jul 8 from Constantine to Washington, returning Fri, Mar 19, priced at $2,985 found 3 days ago

Frequently asked questions

How much is a flight from CZL to Washington Dulles Intl. Airport (IAD)?
If you're traveling from CZL to IAD, round-trip journeys start from $1,364. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from CZL to Washington Dulles Intl. Airport (IAD)?
We get that things come up unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Mohamed Boudiaf Airport (CZL) to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Mohamed Boudiaf Airport (CZL) to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Mohamed Boudiaf Intl. Airport to Washington Dulles Intl. Airport (IAD)?
The distance is around 4413 mi, so pack your carry-on bag with all you need to make the long journey comfortable. Wondering what to take on board your Constantine to Chantilly flight? A sleep mask, earplugs and a travel pillow are among the essentials.
Which airlines fly direct from Mohamed Boudiaf Airport (CZL) to Dulles Intl. Airport?
Flying nonstop between Mohamed Boudiaf Airport (CZL) and Washington Dulles Intl. Airport (IAD) isn't possible at present. However, you'll still be able to find a flight to Chantilly with at least one stop.
Are Mohamed Boudiaf Intl. Airport to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes nab a bargain, with some super cheap airfares from Mohamed Boudiaf Intl. Airport to IAD appearing a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.

Travel information

Origin airport
Mohamed Boudiaf
Destination airport
Washington Dulles Intl.
Roundtrip price
$1,364
Distance
4428 mi

Book with confidence

Constantine to Washington Flights

The cheapest times to fly from Constantine to Washington

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 Constantine to Washington are during the month of July. You can find some of the cheapest flights from Constantine to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Constantine to Washington

Sunday is one of the best days to book for cheap flights from Constantine to Washington: 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 Constantine to Washington

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 Constantine to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $655 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 Constantine to Washington 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 Constantine to Washington 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.

 

Constantine to Washington Flights

*Flight schedules are subject to change.

*Available to One Key members.