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

Return flights

29 Oct - 05 Nov	Qatar Airways
21 Oct - 28 Oct	ANA
28 Oct - 11 Nov	Japan Airlines
28 Oct - 10 Nov	Japan Airlines
27 Oct - 10 Nov	Japan Airlines
29 Oct - 12 Nov	Japan Airlines
28 Oct - 18 Nov	Japan Airlines
27 Oct - 09 Nov	Cathay Pacific
27 Oct - 31 Oct	Frontier Airlines
31 Oct - 22 Nov	Cathay Pacific
23 Oct - 05 Nov	Etihad Airways
30 Oct - 16 Nov	Cathay Pacific
28 Oct - 31 Oct	Japan Airlines
29 Oct - 31 Oct	Japan Airlines
26 Oct - 29 Oct	Japan Airlines
24 Oct - 27 Oct	Japan Airlines
23 Oct - 27 Oct	ANA
16 Oct - 29 Oct	Uzbekistan Airways
23 Oct - 28 Oct	EVA Air
16 Oct - 28 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 1136€

Return flights