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

Return flights

19 Jan - 29 Jan	Xiamen Airlines
26 Jan - 27 Feb	Turkish Airlines
21 Jan - 19 Feb	Etihad Airways
06 Jan - 27 Jan	Air Canada
24 Jan - 02 Feb	Etihad Airways
04 Jan - 31 Jan	Air Canada
02 Jan - 19 Jan	Air Canada
02 Jan - 20 Jan	Air Canada
22 Jan - 30 Jan	Turkish Airlines
19 Jan - 01 Feb	Cathay Pacific
20 Jan - 30 Jan	Turkish Airlines
19 Jan - 30 Jan	Turkish Airlines
06 Jan - 19 Jan	Cathay Pacific
10 Jan - 01 Feb	Cathay Pacific
17 Jan - 01 Feb	Cathay Pacific
05 Jan - 13 Feb	Turkish Airlines
02 Jan - 04 Jan	Air Canada
19 Jan - 01 Feb	Asiana Airlines	direct
24 Jan - 02 Feb	Korean Air	direct
10 Jan - 01 Feb	Asiana Airlines	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 $921

Return flights