IST to CZL, Istanbul Airport to Mohamed Boudiaf International Airport Cheap Flights

Based on HopeGoo data, AJet offers one-way fares as low as US$90 on Cheapest nonstop routes (e.g. SAW to CZL on Thu, Feb 19), while Air Algerie offers Cheapest nonstop round-trips from US$205 departing on Wed, Feb 18 and returning on Fri, Feb 20.

At the moment, you can catch a nonstop flight from Istanbul to Constantine with the following airlines, including: Air Algerie Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

It takes about 3 hours 12 minutes to fly from Istanbul to Constantine.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Istanbul to Constantine is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on HopeGoo data in the past 4 weeks, there is 17 flight per week flying from Istanbul to Constantine. You can check the weekly schedule for popular airlines on this route below: Air Algerie: -/M/T/-/T/F/- -- AH3023 (02:51)

To find best deals on flights from Istanbul to Constantine, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Feb 19, with one-way flights priced at just US$90. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Algerie. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Constantine travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Istanbul to Constantine is September, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Istanbul to Constantine on February 19, 2026 with AJet, with prices starting at US$90.

You can land at any one of the following hubs in Constantine, with Istanbul Airport to Mohamed Boudiaf International Airport (IST-CZL) is by far the most common option on this route: Mohamed Boudiaf International Airport (CZL).

The time difference between Constantine and Istanbul is 2h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.