AirHint found the following cheapest return flights from New York (NYC) to Seoul (ICN) in September 2026 (see full year).
Return flights
| 07 Sep - 28 Sep | Etihad Airways | ||
| 07 Sep - 21 Sep | Turkish Airlines | ||
| 07 Sep - 18 Sep | Turkish Airlines | ||
| 07 Sep - 28 Sep | Korean Air | direct | |
| 14 Sep - 02 Oct | Air Canada | ||
| 09 Sep - 20 Sep | Air Canada |
Also check the deals for one-way flights from New York to Seoul in September.
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