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

Return flights

15 Jun - 22 Jun	Air Canada
08 Jun - 25 Jun	Air Canada
11 Jun - 16 Jun	Ethiopian Airlines
19 Jun - 20 Jul	Air Canada
17 Jun - 26 Jun	Air Canada
22 Jun - 20 Jul	Air Canada
15 Jun - 08 Jul	Air Canada
22 Jun - 13 Jul	Air Canada
20 Jun - 04 Jul	Air Canada
28 Jun - 11 Jul	Air Canada
11 Jun - 16 Jun	Air Premia	direct
15 Jun - 22 Jun	Air Premia	direct
08 Jun - 25 Jun	Air Premia	direct
15 Jun - 08 Jul	Air Premia	direct
22 Jun - 13 Jul	Air Premia	direct
17 Jun - 26 Jun	Air Premia	direct
22 Jun - 20 Jul	Air Premia	direct
19 Jun - 20 Jul	Air Premia	direct
12 Jun - 30 Jun	Lufthansa

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 1213€

Return flights