Cheapest one-way flights from Newark to Seoul in December from $427

AirHint found the following cheapest one-way flights from Newark (EWR) to Seoul (ICN) in December 2025 (see full year).

One-Way flights

03 Dec Frontier Airlines
07 Dec Spirit Airlines
05 Dec Frontier Airlines
06 Dec Spirit Airlines
09 Dec American Airlines
01 Dec American Airlines
02 Dec American Airlines
31 Dec Frontier Airlines
10 Dec TAP
29 Dec Frontier Airlines

Also check the deals for return flights from Newark to Seoul in December.

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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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