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

Return flights

11 Sep - 14 Sep	Asiana Airlines
25 Sep - 19 Oct	Asiana Airlines
05 Sep - 20 Sep	Asiana Airlines
29 Sep - 17 Oct	Asiana Airlines
12 Sep - 27 Sep	China Airlines
29 Sep - 06 Oct	Frontier Airlines
06 Sep - 13 Sep	Cathay Pacific
30 Sep - 17 Oct	Air Canada

Also check the deals for one-way flights from New York to Osaka 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 Osaka in September from 787€

Return flights