Cheapest return flights from Athens to Istanbul in September from 80€

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

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

Return flights

13 Sep - 19 Sep SKY express direct
10 Sep - 14 Sep Pegasus Airlines direct
04 Sep - 09 Sep Pegasus Airlines direct
06 Sep - 12 Sep SKY express direct
06 Sep - 19 Sep SKY express direct
06 Sep - 14 Sep SKY express direct
13 Sep - 16 Sep SKY express direct
03 Sep - 05 Sep Pegasus Airlines direct
06 Sep - 08 Sep SKY express direct
13 Sep - 24 Sep SKY express direct
13 Sep - 01 Oct SKY express direct
28 Sep - 05 Oct SKY express direct
28 Sep - 10 Oct SKY express direct
28 Sep - 03 Oct SKY express direct
28 Sep - 17 Oct SKY express direct
30 Sep - 05 Oct SKY express direct
30 Sep - 10 Oct SKY express direct
30 Sep - 03 Oct SKY express direct
30 Sep - 17 Oct SKY express direct
13 Sep - 02 Oct SKY express direct

Also check the deals for one-way 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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