Cheapest one-way flights from Newark to Seoul in September from $415

Best time to book flights for Newark (EWR) to Seoul (ICN) flights at AirHint

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

One-Way flights

13 Sep Spirit Airlines
17 Sep Spirit Airlines
16 Sep Spirit Airlines
07 Sep Spirit Airlines
18 Sep Air Canada
03 Sep Hawaiian Airlines
24 Sep Hawaiian Airlines
20 Sep Hawaiian Airlines
04 Sep Air Premia direct
30 Sep Air India

Also check the deals for return flights from Newark 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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