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

Return flights

10 Dec - 31 Dec	ANA
26 Dec - 11 Jan	ANA
28 Dec - 18 Jan	ANA
29 Dec - 17 Jan	ANA
05 Dec - 19 Dec	ANA
28 Dec - 16 Jan	ANA
25 Dec - 09 Jan	ANA
27 Dec - 16 Jan	ANA
13 Dec - 26 Dec	Turkish Airlines
25 Dec - 02 Jan	ANA
23 Dec - 03 Jan	ANA
11 Dec - 31 Dec	ANA
17 Dec - 14 Jan	ANA
14 Dec - 31 Dec	ANA
27 Dec - 31 Dec	Air China

Also check the deals for one-way flights from New York to Seoul in December.

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 December from $1446

Return flights