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

Return flights

05 Jan - 13 Jan	Air Canada
04 Jan - 15 Jan	Air Canada
24 Jan - 21 Feb	Etihad Airways
06 Jan - 12 Jan	Cathay Pacific
25 Jan - 05 Feb	Air Canada
19 Jan - 26 Jan	Cathay Pacific
09 Jan - 16 Jan	Cathay Pacific
01 Jan - 11 Jan	Finnair
19 Jan - 26 Jan	Delta	direct
22 Jan - 07 Feb	Delta	direct
25 Jan - 05 Feb	Korean Air	direct
24 Jan - 21 Feb	Asiana Airlines	direct
09 Jan - 16 Jan	Korean Air	direct
06 Jan - 12 Jan	Asiana Airlines	direct
14 Jan - 11 Feb	Lufthansa
01 Jan - 11 Jan	Korean Air	direct
21 Jan - 18 Feb	Lufthansa

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 833€

Return flights