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

One-Way flights

26 Oct	WestJet
23 Oct	Frontier Airlines
24 Oct	Frontier Airlines
02 Oct	Frontier Airlines
03 Oct	Air Canada
01 Oct	jetBlue
22 Oct	jetBlue
15 Oct	Philippine Airlines
05 Oct	Philippine Airlines
31 Oct	jetBlue

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

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 one-way flights from New York to Seoul in October from $356

One-Way flights