AirHint found the following cheapest one-way flights from New York (JFK) to Seoul (ICN) in December 2025 (see full year).

One-Way flights

05 Dec	Norse Atlantic Airways (UK)
07 Dec	Iberia
28 Dec	Air Canada
30 Dec	Air Canada
31 Dec	Air Canada
29 Dec	Xiamen Airlines
10 Dec	Air Canada
02 Dec	Hawaiian Airlines
12 Dec	Air Canada
13 Dec	Air Canada

Also check the deals for return flights from New York to Seoul in December.

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 one-way flights from New York to Seoul in December from 471€

One-Way flights