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

Return flights

22 Jul - 24 Aug	Air Premia
23 Jul - 27 Aug	Air Premia
13 Jul - 30 Aug	Air Premia
15 Jul - 24 Jul	Air Premia
29 Jul - 20 Aug	Air Premia
31 Jul - 20 Aug	Air Premia
15 Jul - 21 Jul	Air Premia
28 Jul - 29 Aug	Frontier Airlines
26 Jul - 29 Aug	Air Premia
18 Jul - 21 Jul	Air Premia
14 Jul - 20 Jul	Air Premia
13 Jul - 20 Jul	Air Premia
18 Jul - 31 Aug	Air Premia
29 Jul - 16 Aug	Air Premia
28 Jul - 13 Aug	Air Premia
18 Jul - 23 Jul	Frontier Airlines
20 Jul - 24 Jul	Air Premia
12 Jul - 20 Jul	Spirit Airlines
18 Jul - 27 Jul	Hawaiian Airlines
23 Jul - 27 Jul	Hawaiian Airlines

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from New York to Seoul in July from 860€

Return flights