Cheapest return flights from Istanbul to Athens in September from 128€

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

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

Return flights

22 Sep - 25 Sep Pegasus Airlines direct
10 Sep - 10 Sep SKY express direct
16 Sep - 30 Sep Pegasus Airlines direct
05 Sep - 06 Sep Pegasus Airlines direct
19 Sep - 25 Sep Pegasus Airlines direct
02 Sep - 10 Sep Pegasus Airlines direct
20 Sep - 26 Sep Air Serbia
28 Sep - 02 Oct Air Serbia
25 Sep - 10 Oct Air Serbia
18 Sep - 25 Sep Air Serbia
10 Sep - 16 Sep Pegasus Airlines direct
27 Sep - 28 Sep SKY express direct
27 Sep - 08 Oct SKY express direct
27 Sep - 17 Oct SKY express direct
27 Sep - 09 Oct SKY express direct
27 Sep - 01 Oct SKY express direct
27 Sep - 07 Oct SKY express direct
27 Sep - 16 Oct SKY express direct
27 Sep - 02 Oct SKY express direct
27 Sep - 10 Oct SKY express direct

Also check the deals for one-way 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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