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

Return flights

15 Jun - 22 Jun	Cathay Pacific
09 Jun - 30 Jun	Cathay Pacific
08 Jun - 22 Jun	Cathay Pacific
10 Jun - 23 Jun	Cathay Pacific
02 Jun - 08 Jun	Cathay Pacific
09 Jun - 25 Jun	Cathay Pacific
12 Jun - 21 Jun	Cathay Pacific
03 Jun - 25 Jun	Cathay Pacific
13 Jun - 20 Jun	Cathay Pacific
15 Jun - 15 Jul	Finnair
08 Jun - 11 Jun	Cathay Pacific
11 Jun - 05 Jul	Finnair
19 Jun - 03 Jul	Finnair
18 Jun - 11 Jul	Cathay Pacific
19 Jun - 04 Jul	Finnair
28 Jun - 28 Jul	Finnair
11 Jun - 05 Jul	Asiana Airlines	direct
15 Jun - 15 Jul	Asiana Airlines	direct
19 Jun - 03 Jul	Asiana Airlines	direct
19 Jun - 04 Jul	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 1017€

Return flights