Cheapest return flights from Istanbul to Athens in September from $128

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

Return flights

23 Sep - 14 Oct SKY express direct
30 Sep - 10 Oct Pegasus Airlines direct
23 Sep - 10 Oct SKY express direct
25 Sep - 07 Oct Aegean Airlines
23 Sep - 25 Sep SKY express direct
29 Sep - 10 Oct SKY express direct
25 Sep - 02 Oct Aegean Airlines direct
29 Sep - 14 Oct SKY express direct
30 Sep - 14 Oct SKY express direct
23 Sep - 09 Oct SKY express direct
29 Sep - 30 Sep Pegasus Airlines
22 Sep - 26 Sep Sichuan Airlines direct
25 Sep - 01 Oct Pegasus Airlines direct
24 Sep - 24 Sep Sichuan Airlines direct
26 Sep - 26 Sep Sichuan Airlines direct
26 Sep - 29 Sep Sichuan Airlines direct
24 Sep - 29 Sep Sichuan Airlines direct
25 Sep - 30 Sep Aegean Airlines
25 Sep - 29 Sep Pegasus Airlines direct
25 Sep - 30 Sep SKY express direct

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