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

Return flights

16 Jan - 31 Jan	Porter Airlines (Canada) Ltd
06 Jan - 19 Jan	Air Canada
22 Jan - 30 Jan	Porter Airlines (Canada) Ltd
07 Jan - 16 Jan	Air Canada
07 Jan - 21 Jan	Air Canada
27 Jan - 10 Feb	Lufthansa
02 Jan - 09 Jan	Air Canada
05 Jan - 12 Jan	Air Canada
12 Jan - 15 Jan	Air Canada
02 Jan - 08 Jan	Air Canada
12 Jan - 19 Jan	Delta
26 Jan - 11 Feb	Korean Air
11 Jan - 01 Feb	Korean Air

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 $1005

Return flights