Cheapest one-way flights from Istanbul to Athens in September from 34€

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

One-Way flights

25 Sep SKY express direct
16 Sep SKY express direct
23 Sep SKY express direct
03 Sep Pegasus Airlines direct
22 Sep Pegasus Airlines direct
09 Sep Pegasus Airlines direct
18 Sep Pegasus Airlines direct
08 Sep Pegasus Airlines direct
29 Sep Pegasus Airlines direct
19 Sep Pegasus 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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