--- title: "Constantine to Istanbul flights: who flies CZL-IST" description: "Turkish Airlines and Air Algérie fly nonstop from CZL to IST, about 8 flights a week, covering 1,238 miles. See award seats by date on 2LNR, the next 14 days free." canonical: "https://2lnr.com/routes/czl-ist" url: "https://2lnr.com/routes/czl-ist.md" date_modified: "2026-10-18T05:10:47Z" --- # Constantine to Istanbul (CZL-IST): nonstop flights and award space Air Algérie and Turkish Airlines fly the CZL to IST nonstop about 8 times a week. The timetable below shows the nonstop scheduled at 2h 50m to 3h 10m for the 1,238 miles. 2LNR tracks award seats on Turkish Airlines across every CZL to IST date, so you can see whether a seat exists before you move points. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See CZL to IST on the interactive map [Get started free](https://2lnr.com/login) 8 Flights a week, 4-week average 2h 50m to 3h 10m Scheduled flight time 1,238 mi Nonstop distance Free To get started ## Constantine to Istanbul flight schedule Scheduled nonstop departures for CZL to IST starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Constantine (CZL) to Istanbul (IST) | Date | Flight | Airline | Departs CZL | Arrives IST | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | TK 1412 | Turkish Airlines | 13:55 | 19:05 | 3h 10m | [Airbus A321neo family](https://2lnr.com/seatmaps/tk/a321neo.md) | | Thu, Oct 22 | AH 3022 | Air Algérie | 20:30 | 01:20 | 2h 50m | [Boeing 737-800](https://2lnr.com/seatmaps/ah/737-800.md) | | Fri, Oct 23 | AH 3022 | Air Algérie | 20:30 | 01:20 | 2h 50m | Boeing 737-800 | | Sat, Oct 24 | TK 1412 | Turkish Airlines | 13:55 | 19:05 | 3h 10m | [Boeing 737 MAX 8](https://2lnr.com/seatmaps/tk/737-max-8.md) | | Sat, Oct 24 | AH 3022 | Air Algérie | 20:30 | 01:20 | 2h 50m | Boeing 737-800 | | Mon, Oct 26 | AH 3022 | Air Algérie | 20:30 | 01:20 | 2h 50m | Boeing 737-800 | | Tue, Oct 27 | AH 3022 | Air Algérie | 20:30 | 01:20 | 2h 50m | Boeing 737-800 | | Wed, Oct 28 | TK 1412 | Turkish Airlines | 14:25 | 19:35 | 3h 10m | Airbus A321neo family | | Thu, Oct 29 | TK 1412 | Turkish Airlines | 14:25 | 19:35 | 3h 10m | [Boeing 737-800](https://2lnr.com/seatmaps/tk/737-800.md) | | Thu, Oct 29 | AH 3022 | Air Algérie | 20:30 | 01:20 | 2h 50m | Boeing 737-800 | Showing all 10 scheduled CZL to IST departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every CZL to IST date on the interactive map ## Aircraft on the Constantine to Istanbul nonstop In the schedule table on this page, Air Algérie flies the [Boeing 737-800](https://2lnr.com/seatmaps/ah/737-800.md), and Turkish Airlines flies the [Airbus A321neo family](https://2lnr.com/seatmaps/tk/a321neo.md), the [Boeing 737 MAX 8](https://2lnr.com/seatmaps/tk/737-max-8.md), and the [Boeing 737-800](https://2lnr.com/seatmaps/tk/737-800.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## Award seats on CZL to IST departures 2LNR tracks award seats on Turkish Airlines, date by date. Open the calendar for Constantine to Istanbul to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro. Turkish Airlines award space was open on 3 of the 6 Constantine to Istanbul departure dates from October 19 to November 1 that 2LNR checked in the 7 days to October 19, 2026. ### See real availability Award seats by date on the CZL to IST departures 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch this route on Pro and 2LNR notifies you when space appears on a date you're tracking. ### Plan on the map See CZL to IST on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Constantine to Istanbul nonstop Carriers operating CZL to IST nonstop in the current schedule. Where 2LNR tracks the carrier, its departures show award space by date. - [Air Algérie (AH) route map](https://2lnr.com/routes/airlines/ah.md)\ [The aircraft AH flies](https://2lnr.com/seatmaps/ah.md) - [Turkish Airlines (TK) route map](https://2lnr.com/routes/airlines/tk.md)\ [The aircraft TK flies](https://2lnr.com/seatmaps/tk.md) See CZL to IST on the interactive map → ## Frequently asked questions about CZL to IST **How long is the flight from Constantine (CZL) to Istanbul (IST)?** Scheduled flight times from Constantine (CZL) to Istanbul (IST) run from 2h 50m to 3h 10m across the departures in the schedule table on this page. The nonstop covers about 1,238 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from CZL to IST?** Air Algérie and Turkish Airlines fly CZL to IST nonstop. 2LNR tracks award seats on Turkish Airlines. **How many flights a week are there from CZL to IST?** About 8 nonstop flights a week run between Constantine (CZL) and Istanbul (IST) in the current schedule, operated by Air Algérie and Turkish Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from CZL to IST depart?** Scheduled CZL to IST nonstops in the next 7 days with service leave between 13:55 and 20:30, local time at Constantine. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate CZL to IST nonstop?** In the schedule table on this page, CZL to IST nonstops fly as AH 3022 on Air Algérie and TK 1412 on Turkish Airlines. The table lists each departure by date with its times and aircraft. **How do I check award availability on CZL to IST?** Open the CZL to IST route on the interactive map or the matrix to see award seats by date on Turkish Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens. Flying the other way? See [IST to CZL nonstop flights and award space](https://2lnr.com/routes/ist-czl.md). Award seats rather than schedules? See [Turkish Airlines award availability](https://2lnr.com/awards/tk.md). Looking beyond this route? See [every route from Constantine (CZL)](https://2lnr.com/routes/czl.md), or [every route from Istanbul (IST)](https://2lnr.com/routes/ist.md). Nonstops to Istanbul (IST) from other airports within 150 miles of Constantine (CZL): - [Annaba (AAE) to Istanbul (IST)](https://2lnr.com/routes/aae-ist.md), 75 miles from CZL Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## See CZL to IST award space by date See what's open by date on this route, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)