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

Turkish Airlines flies nonstop between Gaziantep (GZT) and Istanbul (IST), roughly 65 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 GZT to IST 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.

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65
Nonstop flights a week
541 mi
Nonstop distance
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Gaziantep to Istanbul flight schedule

Scheduled nonstop departures for GZT to IST, 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 Gaziantep (GZT) to Istanbul (IST)
Date Flight Airline Departs GZT Arrives IST Duration Aircraft
TK 2239Turkish Airlines02:2504:201h 55m319
TK 2241Turkish Airlines04:1006:051h 55m73J
TK 2221Turkish Airlines08:4510:401h 55m73J
TK 2223Turkish Airlines10:5012:552h 5m73J
TK 2225Turkish Airlines12:2514:201h 55m73J
TK 2227Turkish Airlines15:0517:001h 55m320
TK 2231Turkish Airlines17:4019:402h73H
TK 2229Turkish Airlines18:3020:302h73H
TK 2235Turkish Airlines20:3022:251h 55m73J
TK 2237Turkish Airlines23:4501:351h 50m32B
TK 2239Turkish Airlines02:2504:201h 55m319
TK 2241Turkish Airlines04:1006:051h 55m73J
TK 2221Turkish Airlines08:5010:401h 50m320
TK 2223Turkish Airlines10:5012:552h 5m73J
TK 2225Turkish Airlines12:2514:201h 55m73J
TK 2227Turkish Airlines15:0517:001h 55m32B
TK 2231Turkish Airlines17:4019:402h73H
TK 2229Turkish Airlines18:3020:302h73H
TK 2235Turkish Airlines20:3022:251h 55m73H
TK 2237Turkish Airlines23:4501:351h 50m32B
TK 2239Turkish Airlines02:2504:201h 55m319
TK 2241Turkish Airlines04:1006:051h 55m73J
TK 2221Turkish Airlines08:4510:401h 55m32B
TK 2223Turkish Airlines10:5012:552h 5m73H
TK 2225Turkish Airlines12:2514:201h 55m73J
TK 2227Turkish Airlines15:0517:001h 55m32B
TK 2231Turkish Airlines17:4019:402h73J
TK 2229Turkish Airlines18:3020:302h73H
TK 2235Turkish Airlines20:3022:201h 50m73H
TK 2237Turkish Airlines23:4501:351h 50m32B
TK 2239Turkish Airlines02:2504:201h 55m73J
TK 2241Turkish Airlines04:1006:051h 55m73J
TK 2221Turkish Airlines08:4510:401h 55m73J
TK 2223Turkish Airlines10:5012:552h 5m73H
TK 2225Turkish Airlines12:3014:251h 55m32Q
TK 2227Turkish Airlines15:0517:001h 55m32B
TK 2231Turkish Airlines17:4019:402h32B
TK 2229Turkish Airlines18:3020:302h319
TK 2235Turkish Airlines20:3022:201h 50m73H
TK 2237Turkish Airlines23:4501:351h 50m321

Showing the first 40 of 66 scheduled GZT to IST 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 GZT to IST date on the interactive map

Award seats on GZT to IST departures

2LNR tracks award seats on Turkish Airlines, date by date. Open the calendar for Gaziantep 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.

See real availability

Confirmed upgrade and award seats on each GZT to IST 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 GZT to IST on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Gaziantep to Istanbul nonstop

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

See GZT to IST on the interactive map →

Frequently asked questions about GZT to IST

How far is Istanbul from Gaziantep?
GZT to IST 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 GZT to IST?
Turkish Airlines is currently the only airline flying GZT to IST nonstop. 2LNR tracks award seats on Turkish Airlines.
How many flights a week are there from GZT to IST?
About 65 nonstop flights a week run between Gaziantep and Istanbul 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 GZT to IST depart?
Scheduled GZT to IST nonstops in the next 7 days with service leave between 02:25 and 23:45, local time at Gaziantep. 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 GZT to IST?
Open the GZT 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.

Never miss GZT to IST 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.

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