Cheapest one-way flights from Athens to Istanbul in September from 50€

Best time to book flights for Athens (ATH) to Istanbul (IST) flights at AirHint

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

One-Way flights

05 Sep Pegasus Airlines direct
04 Sep Pegasus Airlines direct
17 Sep Pegasus Airlines direct
25 Sep Pegasus Airlines direct
30 Sep Pegasus Airlines direct
09 Sep Pegasus Airlines direct
20 Sep Pegasus Airlines direct
07 Sep SKY express direct
21 Sep Air Serbia
27 Sep Air Serbia

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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