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

Return flights

18 Sep - 23 Sep	Icelandair
12 Sep - 19 Sep	Icelandair
14 Sep - 21 Sep	Icelandair
22 Sep - 26 Sep	Scandinavian Airlines
07 Sep - 16 Sep	Scandinavian Airlines
07 Sep - 18 Sep	Scandinavian Airlines
27 Sep - 02 Oct	Scandinavian Airlines
08 Sep - 12 Sep	Scandinavian Airlines
02 Sep - 23 Sep	TAP
25 Sep - 28 Sep	Scandinavian Airlines
21 Sep - 13 Oct	Scandinavian Airlines
19 Sep - 21 Sep	Scandinavian Airlines
24 Sep - 24 Oct	Iberia For Level
21 Sep - 13 Oct	United	direct
27 Sep - 02 Oct	United	direct

Also check the deals for one-way flights from New York to Geneva 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 New York to Geneva in September from 395€

Return flights