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

Return flights

22 Aug - 09 Sep	Etihad Airways
30 Aug - 09 Sep	Etihad Airways
21 Aug - 04 Sep	Etihad Airways
26 Aug - 12 Sep	Turkish Airlines
30 Aug - 21 Sep	Air Canada
05 Aug - 08 Sep	Air Canada
25 Aug - 25 Sep	Air Canada
26 Aug - 11 Sep	Air Canada
26 Aug - 10 Sep	China Eastern
14 Aug - 01 Sep	Air Canada
13 Aug - 20 Aug	jetBlue
15 Aug - 25 Aug	jetBlue
17 Aug - 24 Aug	American Airlines
18 Aug - 31 Aug	American Airlines
17 Aug - 27 Aug	American Airlines
18 Aug - 25 Aug	American Airlines
18 Aug - 24 Aug	American Airlines
19 Aug - 28 Aug	American Airlines
17 Aug - 31 Aug	American Airlines
25 Aug - 28 Aug	American Airlines

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from New York to Seoul in August from $936

Return flights