Gaziantep to Istanbul (GZT–IST) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
GZT–IST is served by 1 airline with nonstop service. Turkish Airlines leads the route. The flight covers 556 miles in approximately 1h 45m. Beyond nonstop, 11 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| TK Turkish Airlines Also: JU, SQ | 73 | 319, 320, 32B, 73H, 73J | 1h45-2h | – | Star Alliance | JU, SQ |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Istanbul from Gaziantep
| Metric | GZT→IST | KCM→IST | ALP→IST |
|---|---|---|---|
| Distance from GZT | – | 50 mi | 55 mi |
| Nonstop airlines | 1 | 1 | 1 |
| Weekly flights | 115 | 21 | 12 |
| Flight time | 1h 45m | 1h 45m | 1h 55m |
Travel Essentials
GZT: +03 · IST: +03
When it's 6:00 PM in Gaziantep, it's 6:00 PM in Istanbul.
M11 Metro to Gayrettepe takes about 35 minutes (₺60–70 with Istanbulkart) with connections to M2 (Taksim) and M7. Runs from 5am to midnight. The metro bypasses O-7 motorway traffic, which is frequently heavy into the city.Havaist buses serve major destinations including Taksim, Kadıköy (European and Asian sides), and Sabiha Gökçen Airport (₺50–80). Taxis from arrivals are metered; insist on the meter. Journey to Sultanahmet or Taksim costs ₺400–700 depending on traffic. Rental cars available. Hotel shuttles common for business hotels near the city.
The new airport sits 35km from central Istanbul on the European side, slightly inland and exposed to Black Sea weather systems. Winters (December–March) are cold (0–8°C) with fog, rain, and occasional snow. Snow on the exposed plateau is more likely than in the city. Ice on taxiways causes delays.
Summers are warm (25–32°C) with dry, reliable weather. Spring and fall bring heavy rain and strong northerly winds (Poyraz) that can affect smaller aircraft. Fog is the primary low-season disruption risk. The airport's elevated position makes it slightly windier than the Atatürk site it replaced.
GZT–IST Quick Facts
Frequently Asked Questions
Flights from GZT to IST
Gaziantep Oğuzeli International Airport (GZT) and İstanbul Airport (IST) are connected by nonstop service from Turkish Airlines. With 115 weekly departures, this is a heavily served route.
GZT to IST Flight Duration and Schedule
Nonstop flight time from GZT to IST ranges from 1 hours 45 minutes to 2 hours 0 minutes. The route covers a distance of 556 miles (894 km). There are approximately 115 weekly flights outbound and 112 return, totaling 227 flights per week in both directions.
Connecting Options and Alternatives
11 one-stop connections are available, with the fastest taking approximately 8 hours via MED. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Kahramanmaraş (KCM), Aleppo (ALP) and Adıyaman (ADF).