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

Return flights

29 Jun - 08 Jul	Air Canada
01 Jun - 09 Jun	Air Canada
01 Jun - 29 Jul	Air Canada
12 Jun - 19 Jun	Air Canada
19 Jun - 26 Jun	Air Canada
26 Jun - 31 Jul	Air Canada
29 Jun - 13 Jul	Air Canada
01 Jun - 09 Jun	Air Premia	direct
19 Jun - 26 Jun	Air Premia	direct
12 Jun - 19 Jun	Air Premia	direct
05 Jun - 12 Jun	Air Premia	direct
01 Jun - 29 Jul	Air Premia	direct
26 Jun - 31 Jul	Air Premia	direct
29 Jun - 13 Jul	Air Premia	direct

Also check the deals for one-way 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 return flights from Newark to Seoul in June from 1223€

Return flights