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

Return flights

04 Sep - 09 Sep	Icelandair
18 Sep - 24 Sep	TAP
02 Sep - 07 Sep	Icelandair
05 Sep - 09 Sep	TAP
10 Sep - 17 Sep	TAP
14 Sep - 27 Sep	TAP
10 Sep - 14 Sep	TAP
25 Sep - 08 Oct	Iberia For Level
10 Sep - 17 Sep	United	direct
04 Sep - 09 Sep	SWISS	direct
05 Sep - 09 Sep	SWISS	direct
25 Sep - 08 Oct	Delta	direct
25 Sep - 24 Oct	Condor

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 358€

Return flights