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

Return flights

01 May - 16 May	China Airlines
06 May - 20 May	EVA Air
08 May - 17 May	China Airlines
12 May - 09 Jun	EVA Air
15 May - 30 May	EVA Air
01 May - 07 May	China Airlines
08 May - 23 May	China Airlines
13 May - 27 May	Cathay Pacific
08 May - 22 May	Cathay Pacific
15 May - 22 May	Cathay Pacific
03 May - 08 May	China Airlines
12 May - 02 Jun	EVA Air
28 May - 04 Jun	Japan Airlines
22 May - 06 Jun	China Airlines
27 May - 03 Jun	China Airlines
15 May - 15 Jun	Japan Airlines
23 May - 01 Jun	Cathay Pacific
30 May - 08 Jun	Air Europa
21 May - 03 Jun	ANA
28 May - 27 Jun	EVA Air

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

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 May from 1054€

Return flights