AirHint found the following cheapest return flights from Istanbul (IST) to Ankara (ESB) in September 2025 (see full year).

Return flights

19 Sep - 21 Sep	AJet	direct
20 Sep - 23 Sep	AJet	direct
20 Sep - 24 Sep	AJet	direct
25 Sep - 29 Sep	AJet	direct
21 Sep - 28 Sep	AJet	direct
18 Sep - 21 Sep	AJet	direct
17 Sep - 22 Sep	AJet	direct
20 Sep - 22 Sep	AJet	direct
28 Sep - 02 Oct	AJet	direct
23 Sep - 30 Sep	AJet	direct
09 Sep - 16 Sep	AJet	direct

Also check the deals for one-way flights from Istanbul to Ankara in September.

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 Istanbul to Ankara in September from 44€

Return flights