AirHint found the following cheapest return flights from New York (JFK) to Seoul (ICN) in October 2025 (see full year).

Return flights

03 Oct - 24 Oct	WestJet
04 Oct - 11 Oct	WestJet
01 Oct - 01 Nov	Ethiopian Airlines
01 Oct - 14 Oct	WestJet
01 Oct - 10 Oct	WestJet
22 Oct - 13 Nov	WestJet
04 Oct - 12 Oct	WestJet
21 Oct - 26 Oct	Cathay Pacific
22 Oct - 26 Nov	Cathay Pacific
22 Oct - 05 Nov	Cathay Pacific
27 Oct - 19 Nov	Cathay Pacific
03 Oct - 18 Oct	WestJet
03 Oct - 17 Oct	Etihad Airways
24 Oct - 02 Nov	Cathay Pacific
21 Oct - 06 Nov	Cathay Pacific
22 Oct - 07 Nov	Cathay Pacific
22 Oct - 06 Nov	Cathay Pacific
23 Oct - 27 Oct	Cathay Pacific
27 Oct - 20 Nov	Cathay Pacific
01 Oct - 22 Oct	Cathay Pacific

Also check the deals for one-way flights from New York to Seoul in October.

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 Seoul in October from 737€

Return flights