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

Return flights

16 Sep - 25 Sep	Lufthansa
22 Sep - 14 Oct	Air Canada
05 Sep - 07 Sep	KLM
21 Sep - 25 Sep	Air Canada
26 Sep - 03 Oct	Air Canada
25 Sep - 02 Oct	Air Canada
22 Sep - 29 Sep	Air Canada
15 Sep - 22 Sep	Air Canada
28 Sep - 02 Oct	Air Canada
17 Sep - 19 Sep	Air Canada
25 Sep - 04 Oct	Air Canada
20 Sep - 29 Sep	Air Canada
18 Sep - 29 Sep	Air Canada
20 Sep - 11 Oct	Air Canada
17 Sep - 29 Sep	Air Canada
20 Sep - 28 Sep	Lufthansa
19 Sep - 06 Oct	Air Canada

Also check the deals for one-way flights from New York to Zurich 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 Zurich in September from 580€

Return flights