AirHint found the following cheapest return flights from Lyon (LYS) to New York (JFK) in September 2025 (see full year).

Return flights

24 Sep - 28 Sep	Scandinavian Airlines
26 Sep - 30 Sep	easyJet
16 Sep - 28 Sep	Scandinavian Airlines
08 Sep - 18 Sep	Scandinavian Airlines
04 Sep - 17 Sep	Scandinavian Airlines
11 Sep - 02 Oct	easyJet
16 Sep - 21 Sep	easyJet
08 Sep - 14 Sep	Scandinavian Airlines
12 Sep - 17 Sep	Scandinavian Airlines
25 Sep - 02 Oct	Scandinavian Airlines
16 Sep - 07 Oct	easyJet
16 Sep - 23 Sep	easyJet
10 Sep - 17 Sep	Transavia France
25 Sep - 08 Oct	Delta

Also check the deals for one-way flights from Lyon to New York 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 Lyon to New York in September from 376€

Return flights