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

Return flights

05 May - 13 May	Turkish Airlines
04 May - 11 May	Turkish Airlines
01 May - 04 May	Turkish Airlines
11 May - 29 May	Air Canada
09 May - 31 May	Air Canada
16 May - 06 Jun	Air Canada
01 May - 30 Jun	Air Canada
01 May - 14 May	Air Canada
29 May - 05 Jun	Ethiopian Airlines
21 May - 01 Jun	Air Canada
30 May - 14 Jun	Air Canada
11 May - 29 May	Air Premia	direct
01 May - 04 May	Air Premia	direct
04 May - 11 May	Air Premia	direct
27 May - 10 Jun	Air Canada
05 May - 13 May	Air Premia	direct
01 May - 30 Jun	Air Premia	direct
21 May - 01 Jun	Air Premia	direct
27 May - 10 Jun	Air Premia	direct
29 May - 05 Jun	Air Premia	direct

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 913€

Return flights