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

Return flights

29 Aug - 14 Sep	Cathay Pacific
29 Aug - 14 Sep	Air Premia	direct
18 Aug - 26 Aug	Air Premia	direct
25 Aug - 03 Sep	Turkish Airlines
03 Aug - 18 Aug	Air Premia	direct
11 Aug - 18 Aug	Turkish Airlines
01 Aug - 02 Aug	Air Premia	direct
25 Aug - 03 Sep	Air Premia	direct
02 Aug - 09 Aug	Air Premia	direct
03 Aug - 10 Aug	Air Premia	direct
03 Aug - 10 Aug	Turkish Airlines
15 Aug - 29 Aug	EVA Air
29 Aug - 05 Sep	Alaska Airlines
11 Aug - 18 Aug	Delta	direct

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

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 August from 886€

Return flights