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

Return flights

14 Sep - 22 Sep	SWISS
07 Sep - 09 Sep	SWISS
21 Sep - 22 Sep	SWISS
07 Sep - 19 Sep	SWISS
07 Sep - 10 Sep	SWISS
14 Sep - 19 Sep	SWISS
14 Sep - 17 Sep	SWISS
21 Sep - 25 Sep	SWISS
14 Sep - 19 Sep	SWISS	direct
14 Sep - 17 Sep	SWISS	direct
23 Sep - 03 Oct	SWISS
21 Sep - 04 Oct	SWISS
29 Sep - 20 Oct	Air Serbia
28 Sep - 03 Oct	SWISS
20 Sep - 03 Oct	SWISS
25 Sep - 09 Oct	SWISS
25 Sep - 04 Oct	SWISS
30 Sep - 04 Oct	SWISS
09 Sep - 01 Oct	SWISS
19 Sep - 04 Oct	Air Serbia

Also check the deals for one-way flights from Zurich to Athens 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 Zurich to Athens in September from $155

Return flights