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

Return flights

24 Sep - 01 Oct	SWISS	direct
23 Sep - 29 Sep	SWISS	direct
30 Sep - 06 Oct	SWISS	direct
29 Sep - 31 Oct	SWISS	direct
29 Sep - 05 Oct	SWISS	direct
24 Sep - 14 Oct	SWISS	direct
29 Sep - 14 Oct	SWISS	direct
30 Sep - 14 Oct	SWISS	direct
23 Sep - 27 Sep	KLM
30 Sep - 03 Oct	SWISS	direct
21 Sep - 24 Sep	SWISS	direct
21 Sep - 26 Sep	SWISS	direct
24 Sep - 29 Sep	SWISS	direct
23 Sep - 26 Sep	SWISS	direct
24 Sep - 30 Sep	SWISS	direct
23 Sep - 30 Sep	SWISS	direct
30 Sep - 04 Oct	SWISS	direct
16 Sep - 03 Oct	SWISS	direct
20 Sep - 24 Sep	KLM
20 Sep - 23 Sep	KLM

Also check the deals for one-way flights from Zurich to Warsaw 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 Warsaw in September from 180€

Return flights