Istanbul to Gaziantep (IST-GZT): nonstop upgrade & award space

Turkish Airlines flies nonstop between Istanbul (IST) and Gaziantep (GZT), roughly 67 times a week. With Turkish Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks award seats on Turkish Airlines across every IST to GZT date, so you can see whether a seat exists before you move points.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

See IST to GZT on the interactive map Get started free
67
Nonstop flights a week
541 mi
Nonstop distance
Free
To get started

Istanbul to Gaziantep flight schedule

Scheduled nonstop departures for IST to GZT, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Istanbul (IST) to Gaziantep (GZT)
Date Flight Airline Departs IST Arrives GZT Duration Aircraft
TK 2240Turkish Airlines01:4003:251h 45m73J
TK 2220Turkish Airlines06:2508:001h 35m32B
TK 2222Turkish Airlines08:2010:051h 45m73H
TK 2224Turkish Airlines10:0011:401h 40m73J
TK 2226Turkish Airlines12:4014:201h 40m32B
TK 2230Turkish Airlines15:1516:551h 40m73J
TK 2228Turkish Airlines16:0517:451h 40m73H
TK 2234Turkish Airlines18:0519:451h 40m73J
TK 2236Turkish Airlines21:2023:001h 40m32B
TK 2238Turkish Airlines23:5501:401h 45m319
TK 2240Turkish Airlines01:4003:251h 45m32Q
TK 2220Turkish Airlines06:2508:001h 35m73J
TK 2222Turkish Airlines08:2010:051h 45m73J
TK 2224Turkish Airlines10:0011:401h 40m73J
TK 2226Turkish Airlines12:4014:201h 40m320
TK 2230Turkish Airlines15:1516:551h 40m73H
TK 2228Turkish Airlines16:0517:451h 40m73H
TK 2234Turkish Airlines18:0519:451h 40m73J
TK 2236Turkish Airlines21:2023:001h 40m32B
TK 2238Turkish Airlines23:5501:401h 45m319
TK 2240Turkish Airlines01:4003:251h 45m73J
TK 2220Turkish Airlines06:2508:001h 35m320
TK 2222Turkish Airlines08:2010:051h 45m73J
TK 2224Turkish Airlines10:0011:401h 40m73J
TK 2226Turkish Airlines12:4014:201h 40m32B
TK 2230Turkish Airlines15:1516:551h 40m73H
TK 2228Turkish Airlines16:0517:451h 40m73H
TK 2234Turkish Airlines18:0519:451h 40m32B
TK 2236Turkish Airlines21:2023:001h 40m32B
TK 2238Turkish Airlines23:5501:401h 45m319
TK 2240Turkish Airlines01:4003:251h 45m73J
TK 2220Turkish Airlines06:2508:001h 35m32B
TK 2222Turkish Airlines08:2010:051h 45m73J
TK 2224Turkish Airlines10:0011:401h 40m73J
TK 2226Turkish Airlines12:4014:201h 40m32B
TK 2230Turkish Airlines15:1516:551h 40m73J
TK 2228Turkish Airlines16:0517:451h 40m73H
TK 2234Turkish Airlines18:0519:451h 40m320
TK 2236Turkish Airlines21:2023:001h 40m32B
TK 2238Turkish Airlines23:5501:401h 45m73J

Showing the first 40 of 65 scheduled IST to GZT departures across the next 7 days with service. Every remaining date is 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 has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every IST to GZT date on the interactive map

Award seats on IST to GZT departures

2LNR tracks award seats on Turkish Airlines, date by date. Open the calendar for Istanbul to Gaziantep to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each IST to GZT departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See IST to GZT on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Istanbul to Gaziantep nonstop

Carriers operating IST to GZT nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See IST to GZT on the interactive map →

Frequently asked questions about IST to GZT

How far is Gaziantep from Istanbul?
IST to GZT covers about 541 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from IST to GZT?
Turkish Airlines is currently the only airline flying IST to GZT nonstop. 2LNR tracks award seats on Turkish Airlines.
How many flights a week are there from IST to GZT?
About 67 nonstop flights a week run between Istanbul and Gaziantep in the current schedule, operated by Turkish Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from IST to GZT depart?
Scheduled IST to GZT nonstops in the next 7 days with service leave between 01:40 and 23:55, local time at Istanbul. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on IST to GZT?
Open the IST to GZT 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.

Never miss IST to GZT upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free