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Cheap flights from Constantine (CZL) to Istanbul (IST)

CZL — IST
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheapflights Tip: The best prices from Constantine Ain El Bey to Istanbul are usually found in March or January, booked 57 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Find flight deals from Constantine to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Constantine (CZL) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

March

Average price

$202

Good round-trip deal

$271 or less

Good one-way deal

$175 or less
Provider with most accurate pricing for Constantine Ain El Bey-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Constantine Ain El Bey-Istanbul flights.
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Constantine Ain El Bey to Istanbul.
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Price to beat on a one-way flight from Constantine Ain El Bey to Istanbul.
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Compare providers for flights from Constantine to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Constantine to Istanbul in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Constantine-Istanbul Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Constantine-Istanbul Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Constantine-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Constantine-Istanbul Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Constantine-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Constantine to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Constantine with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Constantine to Istanbul Airport

How far ahead should I book a flight from Constantine to Istanbul Airport?

Use this chart to determine the optimal time to book a round-trip flight from Constantine to Istanbul. Price data was last updated on January 23, 2026.

The best time to book flights from Constantine to Istanbul Airport is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Constantine to Istanbul Airport?

Currently, March is the cheapest month in which you can book a flight from Constantine to Istanbul Airport (average of $141). Flying from Constantine to Istanbul Airport in December is currently the most expensive (average of $204). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CZL to IST?

Find hourly flight availability from Constantine to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 26, 2026.

When flying from Constantine to Istanbul Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated January 26, 2026.
See what other customers who have flown with Turkish Airlines and Air Algerie from Constantine to Istanbul Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,208 reviews

Boarding

7.3

Overall

7.3

Entertainment

7.4

Food

7.4

Comfort

7.3

Crew

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Jan 2026

NQZ - IST

First of all, my flight got delayed. When I had a registration in Astana, the girl who was working on a desk was too lazy to fill out my info and that’s why she gave me only 2 tickets instead of 3. While boarding I realized it and had to talk to another worker who was solving this problem. My seat was near emergency door, people in front were reclining their seats, but I couldn’t- that made me have a little space to sit, move, etc. That was really uncomfortable. So the flight itself also took longer and I didn’t have time to reach another gate for next flight, even tho flight attendant said plane will be in time. I had to go to Turkish Airlines main office, most of workers didn’t speak enough good English to explain properly where it is. It also took me like 1,5 hours to solve. I was not satisfied with the flight at all this time.
Turkish Airlines
7.3
Good
4,208 reviews
Turkish Airlines
7.3
Good
4,208 reviews

Boarding

7.3

Overall

7.3

Entertainment

7.4

Food

7.4

Comfort

7.3

Crew

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Jan 2026

NQZ - IST

First of all, my flight got delayed. When I had a registration in Astana, the girl who was working on a desk was too lazy to fill out my info and that’s why she gave me only 2 tickets instead of 3. While boarding I realized it and had to talk to another worker who was solving this problem. My seat was near emergency door, people in front were reclining their seats, but I couldn’t- that made me have a little space to sit, move, etc. That was really uncomfortable. So the flight itself also took longer and I didn’t have time to reach another gate for next flight, even tho flight attendant said plane will be in time. I had to go to Turkish Airlines main office, most of workers didn’t speak enough good English to explain properly where it is. It also took me like 1,5 hours to solve. I was not satisfied with the flight at all this time.
Air Algerie
6.8
Okay
33 reviews
Turkish Airlines
7.3
Good
4,208 reviews

Boarding

7.3

Overall

7.3

Entertainment

7.4

Food

7.4

Comfort

7.3

Crew

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Jan 2026

NQZ - IST

First of all, my flight got delayed. When I had a registration in Astana, the girl who was working on a desk was too lazy to fill out my info and that’s why she gave me only 2 tickets instead of 3. While boarding I realized it and had to talk to another worker who was solving this problem. My seat was near emergency door, people in front were reclining their seats, but I couldn’t- that made me have a little space to sit, move, etc. That was really uncomfortable. So the flight itself also took longer and I didn’t have time to reach another gate for next flight, even tho flight attendant said plane will be in time. I had to go to Turkish Airlines main office, most of workers didn’t speak enough good English to explain properly where it is. It also took me like 1,5 hours to solve. I was not satisfied with the flight at all this time.

Related info for your journey

Find useful and relevant information for your journey from Constantine to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Constantine to Istanbul?

    Constantine Ain El Bey (CZL) is the airport you will fly out of if you book a flight from Constantine to Istanbul. You should not have trouble finding flights to Istanbul from Ain El Bey; the airport handles an average of 0 outbound flights to Istanbul per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Constantine airport to Istanbul. It is only a 5.7 mi journey to Ain El Bey (CZL) from Constantine’s city center.

  • What are the cheapest airlines flying from Constantine to Istanbul Airport round-trip?

    Cheapflights users have booked flights from Constantine to Istanbul Airport round-trip from $182. Another airline that can offer you cheap pricing is Turkish Airlines. Air Algerie is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Constantine to Istanbul that include hotel bookings?

    Yes. In addition to deals on Constantine to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Constantine to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Constantine to Istanbul.

  • Can I find deals for business class flights from Constantine to Istanbul?

    Yes. Cheapflights offers flight deals from Constantine to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Constantine to Istanbul Airport?

    Currently, March is the cheapest month in which you can book a flight from Constantine to Istanbul Airport (average of $141). Flying from Constantine to Istanbul Airport in December is currently the most expensive (average of $204). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Constantine to Istanbul

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Algiers to Istanbul flights

Top 2 airlines flying from Constantine to Istanbul

Discover the top 2 airlines that operate flights from Constantine to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air AlgerieCheapest$182Average$278FlexibilityNo cancel feeOn-time58%
Turkish AirlinesCheapest$251Average$298FlexibilityNo cancel feeOn-time77%

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