Cheapest one-way flights from Athens to Istanbul in September from 46€

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

One-Way flights

16 Sep SKY express direct
30 Sep Pegasus Airlines direct
01 Sep SKY express direct
22 Sep Pegasus Airlines direct
10 Sep SKY express direct
19 Sep SKY express direct
12 Sep Aegean Airlines direct
15 Sep Air Serbia
27 Sep Air Serbia
26 Sep Air Serbia

Also check the deals for return 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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