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

Return flights

13 Jan - 03 Feb	American Airlines
06 Jan - 20 Jan	American Airlines
20 Jan - 20 Feb	American Airlines
13 Jan - 27 Jan	Air Canada
29 Jan - 05 Feb	Air Canada
20 Jan - 27 Jan	Air Canada
13 Jan - 24 Jan	Air Canada
14 Jan - 31 Jan	Air Canada
16 Jan - 23 Jan	American Airlines
17 Jan - 26 Jan	Porter Airlines (Canada) Ltd
17 Jan - 25 Jan	Air Canada
25 Jan - 01 Feb	Air Canada
16 Jan - 25 Jan	Porter Airlines (Canada) Ltd
05 Jan - 14 Jan	Spirit Airlines
23 Jan - 08 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 $999

Return flights