AirHint found the following cheapest return flights from New York (JFK) to Seoul (ICN) in July 2025 (see full year).

Return flights

29 Jul - 05 Aug	Frontier Airlines
29 Jul - 16 Aug	Frontier Airlines
28 Jul - 05 Aug	Turkish Airlines
28 Jul - 12 Aug	ANA
29 Jul - 10 Aug	Frontier Airlines
29 Jul - 11 Aug	Frontier Airlines
28 Jul - 15 Aug	ANA
29 Jul - 04 Aug	Air Canada
28 Jul - 04 Aug	Air Canada
30 Jul - 06 Aug	Philippine Airlines
28 Jul - 31 Jul	Cathay Pacific
29 Jul - 31 Jul	Alaska Airlines
27 Jul - 31 Jul	Cathay Pacific
29 Jul - 30 Jul	Asiana Airlines	direct
30 Jul - 31 Jul	EVA Air
28 Jul - 31 Jul	Asiana Airlines	direct
29 Jul - 31 Jul	Asiana Airlines	direct
30 Jul - 31 Jul	Asiana Airlines	direct
27 Jul - 31 Jul	Asiana Airlines	direct

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

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 July from 1131€

Return flights