Cheapest one-way flights from Istanbul to Athens in September from $37

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

One-Way flights

22 Sep SKY express direct
26 Sep SKY express direct
25 Sep Aegean Airlines direct
30 Sep SKY express direct
21 Sep Pegasus Airlines direct
24 Sep Pegasus Airlines direct
20 Sep SKY express direct
27 Sep SKY express direct
28 Sep Wizz Air
28 Sep Sichuan Airlines direct

Also check the deals for return 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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