$311 Cheap Flights from Constantine (CZL) to Istanbul (IST)

View $311 flight on Mon, Jun 30, 2025Opens in a new window

Popular airlines from Constantine (CZL-Mohamed Boudiaf) to Istanbul Airport (IST)

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Cheap Flights from Constantine to Istanbul (CZL-IST)

Prices were available within the past 7 days and start at $311 for one-way flights and $266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Algerie
Tue, Sep 2 - Sun, Sep 7
CZL
Constantine
IST
Istanbul
$266 Roundtrip, found 3 days ago
$266
Roundtrip
found 3 days ago
Select Air Algerie flight, departing Tue, Sep 2 from Constantine to Istanbul, returning Sun, Sep 7, priced at $266 found 3 days ago
Air Algerie
Mon, Sep 1 - Tue, Sep 30
CZL
Constantine
IST
Istanbul
$267 Roundtrip, found 15 hours ago
$267
Roundtrip
found 15 hours ago
Select Air Algerie flight, departing Mon, Sep 1 from Constantine to Istanbul, returning Tue, Sep 30, priced at $267 found 15 hours ago
Air Algerie
Sat, Aug 30 - Sun, Sep 7
CZL
Constantine
IST
Istanbul
$291 Roundtrip, found 3 days ago
$291
Roundtrip
found 3 days ago
Select Air Algerie flight, departing Sat, Aug 30 from Constantine to Istanbul, returning Sun, Sep 7, priced at $291 found 3 days ago
Air Algerie
Sat, Jun 28 - Tue, Jul 8
CZL
Constantine
IST
Istanbul
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select Air Algerie flight, departing Sat, Jun 28 from Constantine to Istanbul, returning Tue, Jul 8, priced at $292 found 3 days ago
Turkish Airlines
Sat, Jul 5 - Fri, Jul 11
CZL
Constantine
IST
Istanbul
$301 Roundtrip, found 1 hour ago
$301
Roundtrip
found 1 hour ago
Select Turkish Airlines flight, departing Sat, Jul 5 from Constantine to Istanbul, returning Fri, Jul 11, priced at $301 found 1 hour ago
Air Algerie
Sat, Jun 28 - Tue, Jul 1
CZL
Constantine
IST
Istanbul
$301 Roundtrip, found 4 hours ago
$301
Roundtrip
found 4 hours ago
Select Air Algerie flight, departing Sat, Jun 28 from Constantine to Istanbul, returning Tue, Jul 1, priced at $301 found 4 hours ago
Turkish Airlines
Thu, Jul 10 - Tue, Jul 15
CZL
Constantine
IST
Istanbul
$306 Roundtrip, found 2 hours ago
$306
Roundtrip
found 2 hours ago
Select Turkish Airlines flight, departing Thu, Jul 10 from Constantine to Istanbul, returning Tue, Jul 15, priced at $306 found 2 hours ago
Air Algerie
Tue, Jul 1 - Sat, Jul 12
CZL
Constantine
IST
Istanbul
$307 Roundtrip, found 3 hours ago
$307
Roundtrip
found 3 hours ago
Select Air Algerie flight, departing Tue, Jul 1 from Constantine to Istanbul, returning Sat, Jul 12, priced at $307 found 3 hours ago
Air Algerie
Sat, Jul 12 - Wed, Jul 16
CZL
Constantine
IST
Istanbul
$312 Roundtrip, found 5 hours ago
$312
Roundtrip
found 5 hours ago
Select Air Algerie flight, departing Sat, Jul 12 from Constantine to Istanbul, returning Wed, Jul 16, priced at $312 found 5 hours ago
Air Algerie
Sun, Jul 13 - Fri, Jul 18
CZL
Constantine
IST
Istanbul
$312 Roundtrip, found 9 hours ago
$312
Roundtrip
found 9 hours ago
Select Air Algerie flight, departing Sun, Jul 13 from Constantine to Istanbul, returning Fri, Jul 18, priced at $312 found 9 hours ago
0
Flights from Constantine (CZL) to Istanbul (IST)
Origin airport
Mohamed Boudiaf
Destination airport
Istanbul
Airlines serving
Air Algerie, Turkish Airlines
Roundtrip price
$265
Distance
1236 mi

Constantine to Istanbul Flights

The cheapest times to fly from Constantine to Istanbul

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

 

The best time to book a flight from Constantine to Istanbul

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

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 Istanbul in 2025. You can also book with separate airlines for your outbound and return journeys, from $311 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 Istanbul 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 Istanbul 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.

 

Frequently asked questions

How much does a flight from Mohamed Boudiaf Airport (CZL) to Istanbul (IST) cost?
Cheap round-trip flights from Mohamed Boudiaf Airport (CZL) to Istanbul (IST) start from $266. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Algerie flight leaving CZL on June 28 2025 and touching down at IST. The price was last updated on June 26 2025 and has not changed since.
What is the cheapest month to fly from CZL to IST?
To snag a cheap fare, look for nonstop flights from CZL to IST leaving in June. You can find a one-way Turkish Airlines flight for $300 leaving on June 27 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on June 26 2025 and remains unchanged.
What is the cheapest airline that flies from CZL to IST?
With prices starting from $300 for a one-way flight from CZL to IST, Turkish Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CZL on June 27 2025. Prices were last updated on June 26 2025 and have not changed since.
How many flights per day from Mohamed Boudiaf Airport (CZL) to Istanbul (IST)?
Direct flights from Mohamed Boudiaf Airport (CZL) to Istanbul (IST) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CZL to IST?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mohamed Boudiaf Airport (CZL) to Istanbul (IST)?
To avoid possible delays on the Mohamed Boudiaf Airport (CZL) to Istanbul (IST) route, fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**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 Mohamed Boudiaf Airport (CZL) to Istanbul (IST) last-minute?
Waiting until just before your trip to book your flight from CZL to IST often results in higher prices. While you might find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Can I cancel or change the date of my flight from Mohamed Boudiaf Airport (CZL) to Istanbul (IST)?
If you reserved your CZL to IST flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.