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

Return flights

10 Jan - 24 Jan	jetBlue
11 Jan - 25 Jan	jetBlue
10 Jan - 25 Jan	jetBlue
19 Jan - 06 Feb	jetBlue
09 Jan - 25 Jan	jetBlue
07 Jan - 28 Jan	jetBlue
25 Jan - 01 Feb	jetBlue
28 Jan - 08 Feb	Cathay Pacific
13 Jan - 03 Feb	Etihad Airways
24 Jan - 03 Feb	Etihad Airways
28 Jan - 26 Feb	Etihad Airways
16 Jan - 31 Jan	Hawaiian Airlines
08 Jan - 15 Jan	Cathay Pacific
15 Jan - 06 Feb	Cathay Pacific
20 Jan - 27 Jan	Cathay Pacific
24 Jan - 31 Jan	Scandinavian Airlines
26 Jan - 02 Feb	Cathay Pacific
31 Jan - 14 Feb	Frontier Airlines
08 Jan - 22 Jan	Turkish Airlines
05 Jan - 02 Feb	Air Canada

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 $885

Return flights