Cheapest return flights from Athens to Istanbul in September from 84€

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

Return flights

24 Sep - 30 Sep Pegasus Airlines direct
26 Sep - 30 Sep Pegasus Airlines direct
09 Sep - 23 Sep SKY express direct
05 Sep - 23 Sep SKY express direct
24 Sep - 28 Sep Pegasus Airlines direct
01 Sep - 05 Sep Pegasus Airlines direct
02 Sep - 05 Sep SKY express direct
09 Sep - 29 Sep SKY express direct
18 Sep - 22 Sep Pegasus Airlines direct
18 Sep - 27 Sep Pegasus Airlines direct
30 Sep - 04 Oct Pegasus Airlines direct
28 Sep - 01 Oct Pegasus Airlines direct
29 Sep - 02 Oct Pegasus Airlines direct
29 Sep - 03 Oct Pegasus Airlines direct
20 Sep - 07 Oct SKY express direct
15 Sep - 05 Oct SKY express direct
16 Sep - 06 Oct SKY express direct
16 Sep - 05 Oct SKY express direct
20 Sep - 06 Oct SKY express direct
20 Sep - 05 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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