Cheapest one-way flights from Newark to Seoul in September from 397€

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

One-Way flights

23 Sep Hawaiian Airlines
22 Sep Hawaiian Airlines
03 Sep Spirit Airlines
05 Sep Air Canada
29 Sep Spirit Airlines
15 Sep Spirit Airlines
16 Sep Porter Airlines (Canada) Ltd
17 Sep Porter Airlines (Canada) Ltd
18 Sep Porter Airlines (Canada) Ltd
04 Sep Porter Airlines (Canada) Ltd

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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