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

Return flights

24 Sep - 29 Sep	Pegasus Airlines
24 Sep - 14 Oct	Pegasus Airlines
24 Sep - 28 Sep	Pegasus Airlines
22 Sep - 21 Oct	SKY express
22 Sep - 28 Sep	SKY express
24 Sep - 27 Sep	Pegasus Airlines
23 Sep - 24 Sep	SKY express
23 Sep - 29 Sep	SKY express
24 Sep - 30 Sep	Pegasus Airlines
23 Sep - 28 Sep	SKY express
24 Sep - 01 Oct	Pegasus Airlines
25 Sep - 28 Sep	Wizz Air
28 Sep - 29 Sep	Wizz Air
23 Sep - 14 Oct	SKY express
28 Sep - 05 Oct	Wizz Air
30 Sep - 05 Oct	Eurowings
29 Sep - 02 Oct	Wizz Air
30 Sep - 12 Oct	Eurowings
23 Sep - 01 Oct	SKY express
29 Sep - 03 Oct	Wizz Air

Also check the deals for one-way flights from Athens to Stuttgart in September.

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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Cheapest return flights from Athens to Stuttgart in September from $192

Return flights