Istanbul (IST) to Gaziantep (GZT) flights
One airline flies nonstop from Istanbul (IST) to Gaziantep (GZT): 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 IST to GZT
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it
Book IST to GZT with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Turkish Airlines
- Air New Zealand AirpointsBooks Turkish Airlines
- ANA Mileage ClubBooks Turkish Airlines
- Avianca LifeMilesBooks Turkish Airlines
- EVA Air Infinity MileageLandsBooks Turkish Airlines
- Lufthansa Miles & MoreBooks Turkish Airlines
- Singapore Airlines KrisFlyerBooks Turkish Airlines
- TAP Miles&GoBooks Turkish Airlines
- Thai Royal Orchid PlusBooks Turkish Airlines
- Turkish Airlines Miles&SmilesBooks Turkish Airlines
- United MileagePlusBooks Turkish Airlines
IST to GZT with one stop
6 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Ankara (ESB)Turkish Airlines, then AJet
- Via Antalya (AYT)Turkish Airlines, then SunExpress
- Via Ercan (ECN)Pegasus the whole way
- Via Izmir (ADB)Pegasus the whole way
- Via Bodrum (BJV)Turkish Airlines, then AJet
- Via Trabzon (TZX)Turkish Airlines, then Pegasus
IST to GZT: common questions
Which airlines fly nonstop from IST to GZT?
Turkish Airlines (Star Alliance) flies nonstop from Istanbul (IST) to Gaziantep (GZT).
How far is Istanbul from Gaziantep by plane?
Istanbul (IST) and Gaziantep (GZT) 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 IST to GZT 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 IST to GZT cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IST to GZT with taxes and fees.
Where can I connect between Istanbul and Gaziantep?
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.