AirHint found the following cheapest one-way flights from Newark (EWR) to Seoul (ICN) in June 2026 (see full year).

One-Way flights

14 Jun	Porter Airlines (Canada) Ltd
15 Jun	WestJet
01 Jun	Alaska Airlines
16 Jun	Ethiopian Airlines
03 Jun	Air Canada
15 Jun	Air Premia	direct
01 Jun	Air Premia	direct
16 Jun	Air Premia	direct
03 Jun	Air Premia	direct
14 Jun	Air Premia	direct

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

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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Cheapest one-way flights from Newark to Seoul in June from $595

One-Way flights