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

Return flights

29 Sep - 30 Sep	easyJet
25 Sep - 30 Sep	easyJet
23 Sep - 30 Sep	easyJet
29 Sep - 02 Oct	easyJet
22 Sep - 30 Sep	easyJet
24 Sep - 01 Oct	easyJet
21 Sep - 23 Sep	easyJet
25 Sep - 06 Oct	easyJet
23 Sep - 29 Sep	easyJet
25 Sep - 02 Oct	easyJet
22 Sep - 29 Sep	easyJet
25 Sep - 29 Sep	easyJet
22 Sep - 25 Sep	easyJet
21 Sep - 24 Sep	easyJet
24 Sep - 01 Oct	LOT	direct
26 Sep - 06 Oct	easyJet
26 Sep - 03 Oct	easyJet
29 Sep - 24 Oct	Scandinavian Airlines
25 Sep - 02 Oct	LOT	direct
25 Sep - 06 Oct	LOT	direct

Also check the deals for one-way flights from Geneva 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 Geneva to Warsaw in September from $189

Return flights