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 2026 (see full year).

Return flights

12 Sep - 13 Sep SKY express direct
12 Sep - 27 Sep SKY express direct
12 Sep - 20 Sep SKY express direct
03 Sep - 13 Sep SKY express direct
03 Sep - 20 Sep SKY express direct
02 Sep - 13 Sep SKY express direct
02 Sep - 20 Sep SKY express direct
23 Sep - 27 Sep Pegasus Airlines direct
30 Sep - 04 Oct Pegasus Airlines direct
28 Sep - 29 Sep Pegasus Airlines direct
22 Sep - 01 Oct Pegasus Airlines direct
05 Sep - 13 Sep SKY express direct
12 Sep - 02 Oct SKY express direct
12 Sep - 01 Oct SKY express direct
15 Sep - 05 Oct SKY express direct
15 Sep - 02 Oct SKY express direct
24 Sep - 13 Oct SKY express direct
23 Sep - 13 Oct SKY express direct
30 Sep - 13 Oct SKY express direct
29 Sep - 13 Oct SKY express direct

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

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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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