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

Return flights

01 Jun - 30 Jun	Cathay Pacific
10 Jun - 17 Jun	Cathay Pacific
11 Jun - 01 Jul	WestJet
03 Jun - 07 Jun	Cathay Pacific
11 Jun - 25 Jun	Cathay Pacific
26 Jun - 28 Jul	Finnair
30 Jun - 07 Jul	Finnair
30 Jun - 12 Jul	Finnair
30 Jun - 12 Jul	Asiana Airlines	direct
30 Jun - 07 Jul	Asiana Airlines	direct
26 Jun - 28 Jul	Asiana Airlines	direct
01 Jun - 30 Jun	Asiana Airlines	direct
03 Jun - 07 Jun	Asiana Airlines	direct
10 Jun - 17 Jun	Asiana Airlines	direct
11 Jun - 25 Jun	Asiana Airlines	direct

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

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 June from 975€

Return flights