Cheapest return flights from Istanbul to Athens in September from $110

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

Return flights

21 Sep - 28 Sep Pegasus Airlines direct
18 Sep - 23 Sep Pegasus Airlines direct
19 Sep - 22 Sep Pegasus Airlines direct
19 Sep - 07 Oct Pegasus Airlines direct
13 Sep - 03 Oct Pegasus Airlines direct
13 Sep - 01 Oct Pegasus Airlines direct
09 Sep - 16 Sep Pegasus Airlines direct
11 Sep - 20 Sep Pegasus Airlines direct
12 Sep - 20 Sep Pegasus Airlines direct
04 Sep - 13 Sep SKY express direct
08 Sep - 09 Sep SKY express direct
08 Sep - 10 Sep SKY express direct
08 Sep - 14 Sep SKY express direct
21 Sep - 02 Oct SKY express direct
21 Sep - 09 Oct SKY express direct
21 Sep - 11 Oct SKY express direct
13 Sep - 02 Oct SKY express direct
18 Sep - 02 Oct SKY express direct
18 Sep - 09 Oct SKY express direct
14 Sep - 02 Oct SKY express direct

Also check the deals for one-way flights from Istanbul to Athens 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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