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

One-Way flights

28 Jul	Frontier Airlines
16 Jul	Frontier Airlines
19 Jul	Frontier Airlines
22 Jul	Frontier Airlines
15 Jul	Alaska Airlines
12 Jul	Alaska Airlines
14 Jul	Frontier Airlines
21 Jul	Frontier Airlines
23 Jul	Frontier Airlines
24 Jul	Flair Airlines

Also check the deals for return 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 one-way flights from New York to Seoul in July from 442€

One-Way flights