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

Return flights

05 May - 05 Jun	Etihad Airways
02 May - 16 May	Turkish Airlines
09 May - 31 May	Cathay Pacific
07 May - 31 May	Turkish Airlines
01 May - 16 May	Turkish Airlines
13 May - 27 May	WestJet
08 May - 20 May	Turkish Airlines
18 May - 26 May	Cathay Pacific
12 May - 22 May	Cathay Pacific
28 May - 13 Jun	WestJet
08 May - 13 Jun	Alaska Airlines
18 May - 25 May	Finnair
17 May - 25 May	Finnair
30 May - 13 Jun	Alaska Airlines
05 May - 05 Jun	Asiana Airlines	direct
08 May - 13 Jun	Delta	direct
19 May - 07 Jun	Delta	direct
28 May - 13 Jun	Delta	direct

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 870€

Return flights