AirHint found the following cheapest return flights from New York (NYC) to Seoul (ICN) in January 2026 (see full year).

Return flights

12 Jan - 26 Jan	China Airlines
05 Jan - 12 Jan	Air Canada
04 Jan - 11 Jan	Air Canada
02 Jan - 16 Jan	Air Canada
08 Jan - 04 Feb	Cathay Pacific
23 Jan - 25 Jan	China Airlines
02 Jan - 23 Jan	Air Canada
06 Jan - 10 Jan	Air Canada
21 Jan - 19 Feb	United
21 Jan - 19 Feb	Air Premia	direct
08 Jan - 04 Feb	Air Premia	direct
12 Jan - 26 Jan	Air Premia	direct
07 Jan - 16 Jan	Finnair
07 Jan - 16 Jan	Air Premia	direct
01 Jan - 01 Feb	Air Premia	direct

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

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 January from 857€

Return flights