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

Return flights

25 Sep - 28 Sep	Scandinavian Airlines
23 Sep - 28 Sep	Delta
26 Sep - 30 Sep	Delta
23 Sep - 30 Sep	Delta
19 Sep - 21 Sep	Delta
19 Sep - 22 Sep	Delta
26 Sep - 03 Oct	Delta
30 Sep - 06 Oct	Delta
17 Sep - 22 Sep	Scandinavian Airlines
20 Sep - 27 Sep	Delta
25 Sep - 02 Oct	Delta
29 Sep - 05 Oct	Delta
27 Sep - 03 Oct	Delta
24 Sep - 30 Sep	Scandinavian Airlines
17 Sep - 23 Sep	Vueling Airlines
30 Sep - 02 Oct	easyJet
29 Sep - 04 Oct	easyJet
22 Sep - 13 Oct	Scandinavian Airlines
28 Sep - 04 Oct	easyJet

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 $473

Return flights