Cheapest return flights from Athens to Istanbul in September from 78€

AirHint found the following cheapest return flights from Athens (ATH) to Istanbul (IST) in September 2026 (see full year).

Return flights

05 Sep - 24 Sep SKY express direct
05 Sep - 22 Sep SKY express direct
05 Sep - 23 Sep SKY express direct
05 Sep - 20 Sep SKY express direct
25 Sep - 29 Sep Pegasus Airlines direct
22 Sep - 30 Sep Pegasus Airlines direct
05 Sep - 21 Sep SKY express direct
05 Sep - 14 Sep SKY express direct
14 Sep - 24 Sep SKY express direct
16 Sep - 24 Sep SKY express direct
16 Sep - 06 Oct SKY express direct
16 Sep - 05 Oct SKY express direct
28 Sep - 06 Oct SKY express direct
28 Sep - 15 Oct SKY express direct
24 Sep - 06 Oct SKY express direct
18 Sep - 06 Oct SKY express direct
21 Sep - 06 Oct SKY express direct
22 Sep - 06 Oct SKY express direct
19 Sep - 06 Oct SKY express direct
25 Sep - 06 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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