Cheapest one-way flights from New York to Seoul in September from 365€

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

One-Way flights

10 Sep Frontier Airlines
06 Sep Frontier Airlines
03 Sep Frontier Airlines
11 Sep Air Canada
04 Sep Frontier Airlines
05 Sep Spirit Airlines
17 Sep Frontier Airlines
20 Sep Frontier Airlines
30 Sep Frontier Airlines
23 Sep Porter Airlines (Canada) Ltd

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.

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