Turkey · 555 miles (893 km)

Gaziantep (GZT) to Istanbul (IST) flights

One airline flies nonstop from Gaziantep (GZT) to Istanbul (IST): Turkish Airlines. The two airports are 555 miles (893 km) apart. Turkish Airlines is in Star Alliance. There are also 6 ways to fly it with one stop, through Ankara, Antalya and Ercan and more.

Airlines flying nonstop from GZT to IST

  • Turkish Airlines logo
    Turkish AirlinesStar Alliance · bookable with 11 programsWho books it

Book GZT to IST with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

GZT to IST with one stop

6 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Ankara (ESB)AJet, then Turkish Airlines
    AJet logo
    Turkish Airlines logo
  • Via Antalya (AYT)SunExpress, then Turkish Airlines
    SunExpress logo
    Turkish Airlines logo
  • Via Ercan (ECN)Pegasus the whole way
    Pegasus logo
    Turkish Airlines logo
    Pegasus logo
  • Via Izmir (ADB)Pegasus the whole way
    SunExpress logo
    Pegasus logo
    Pegasus logo
    Turkish Airlines logo
  • Via Bodrum (BJV)AJet, then Turkish Airlines
    AJet logo
    Turkish Airlines logo
  • Via Trabzon (TZX)Pegasus, then Turkish Airlines
    Pegasus logo
    Turkish Airlines logo

GZT to IST: common questions

Which airlines fly nonstop from GZT to IST?

Turkish Airlines (Star Alliance) flies nonstop from Gaziantep (GZT) to Istanbul (IST).

How far is Gaziantep from Istanbul by plane?

Gaziantep (GZT) and Istanbul (IST) are 555 miles (893 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book GZT to IST award flights?

11 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer, TAP Miles&Go and 3 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does GZT to IST cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for GZT to IST with taxes and fees.

Where can I connect between Gaziantep and Istanbul?

The most direct connections are through Ankara (ESB), Antalya (AYT), Ercan (ECN), Izmir (ADB) and Bodrum (BJV). On 2 of them the same airline flies both flights, for example Pegasus through Ercan.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.