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

Return flights

31 Aug - 12 Sep	Cathay Pacific
30 Aug - 06 Sep	Cathay Pacific
30 Aug - 12 Sep	Cathay Pacific
28 Aug - 06 Sep	Cathay Pacific
14 Aug - 21 Aug	Philippine Airlines
12 Aug - 26 Aug	Finnair
07 Aug - 28 Aug	Philippine Airlines
19 Aug - 02 Sep	Singapore Airlines
05 Aug - 19 Aug	Alaska Airlines
31 Aug - 12 Sep	Asiana Airlines	direct
12 Aug - 26 Aug	Delta	direct
19 Aug - 02 Sep	Delta	direct
30 Aug - 12 Sep	Asiana Airlines	direct
30 Aug - 06 Sep	Korean Air	direct
14 Aug - 21 Aug	Delta	direct
28 Aug - 06 Sep	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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from New York to Seoul in August from 888€

Return flights