AirHint found the following cheapest return flights from Newark (EWR) to Seoul (ICN) in May 2026 (see full year).

Return flights

05 May - 26 May	Turkish Airlines
01 May - 13 May	Turkish Airlines
05 May - 26 May	Air Premia	direct
01 May - 13 May	Air Premia	direct
21 May - 31 May	Air Premia	direct
12 May - 26 May	Lufthansa
03 May - 10 May	Lufthansa

Also check the deals for one-way flights from Newark to Seoul in May.

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 return flights from Newark to Seoul in May from 911€

Return flights