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

Return flights

08 Sep - 15 Sep	Air Canada
09 Sep - 16 Sep	Air Canada
28 Sep - 05 Oct	Air Canada
23 Sep - 26 Sep	Air Canada
23 Sep - 28 Sep	Air Canada
19 Sep - 26 Sep	Lufthansa
17 Sep - 25 Sep	United
17 Sep - 26 Sep	United
22 Sep - 28 Sep	Air Canada
18 Sep - 22 Sep	Air Canada
22 Sep - 27 Sep	Air Canada
26 Sep - 05 Oct	United
26 Sep - 04 Oct	United
27 Sep - 12 Oct	United
07 Sep - 19 Oct	United
16 Sep - 10 Oct	Air Canada

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 $531

Return flights