AirHint found the following cheapest return flights from Gaziantep (GZT) to Istanbul (IST) in November 2025 (see full year).

Return flights

26 Nov - 09 Dec	AJet	direct
27 Nov - 05 Dec	AJet	direct
12 Nov - 19 Nov	AJet	direct
13 Nov - 17 Nov	AJet	direct
06 Nov - 13 Nov	AJet	direct
17 Nov - 28 Nov	AJet	direct
20 Nov - 23 Nov	AJet	direct
01 Nov - 02 Nov	Pegasus Airlines	direct
12 Nov - 16 Nov	AJet	direct
19 Nov - 21 Nov	Turkish Airlines	direct
14 Nov - 14 Nov	AJet	direct
09 Nov - 28 Nov	Turkish Airlines	direct

Also check the deals for one-way flights from Gaziantep to Istanbul in November.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Gaziantep to Istanbul in November from $76

Return flights