Cheapest return flights from Athens to Istanbul in September from 102€

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

Return flights

07 Sep - 21 Sep Sichuan Airlines direct
08 Sep - 25 Sep SKY express direct
08 Sep - 23 Sep SKY express direct
08 Sep - 22 Sep SKY express direct
08 Sep - 09 Sep SKY express direct
06 Sep - 25 Sep SKY express direct
06 Sep - 23 Sep SKY express direct
06 Sep - 22 Sep SKY express direct
06 Sep - 09 Sep SKY express direct
03 Sep - 23 Sep SKY express direct
29 Sep - 14 Oct SKY express direct
29 Sep - 07 Oct SKY express direct
29 Sep - 09 Oct SKY express direct
29 Sep - 06 Oct SKY express direct
26 Sep - 14 Oct SKY express direct
26 Sep - 07 Oct SKY express direct
26 Sep - 09 Oct SKY express direct
26 Sep - 06 Oct SKY express direct
30 Sep - 07 Oct Pegasus Airlines direct
26 Sep - 02 Oct SKY express direct

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

Skyscanner

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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