Cheapest one-way flights from New York to Seoul in September from 374€

AirHint found the following cheapest one-way flights from New York (NYC) to Seoul (ICN) in September 2025 (see full year).

One-Way flights

06 Sep Frontier Airlines
13 Sep Frontier Airlines
27 Sep Frontier Airlines
10 Sep Frontier Airlines
02 Sep Flair Airlines
09 Sep Air Canada
03 Sep Frontier Airlines
23 Sep Frontier Airlines
25 Sep Frontier Airlines
18 Sep Frontier Airlines

Also check the deals for return flights from New York to Seoul in September.

Skyscanner

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

Feel free to contact us with any feedback or request another flight research.