Cheapest one-way flights from Athens to Istanbul in September from $54

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

One-Way flights

01 Sep SKY express direct
28 Sep SKY express direct
20 Sep SKY express direct
24 Sep SKY express direct
27 Sep SKY express direct
21 Sep SKY express direct
05 Sep SKY express direct
26 Sep SKY express direct
08 Sep SKY express direct
30 Sep SKY express direct

Also check the deals for return flights from Athens to Istanbul 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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