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

Return flights

02 Apr - 06 Apr	Air Canada
08 Apr - 15 Apr	Air Canada
01 Apr - 08 Apr	Air Canada
05 Apr - 10 Apr	Air Canada
18 Apr - 07 May	Turkish Airlines
03 Apr - 12 Apr	Air Canada
02 Apr - 06 Apr	Air Premia	direct
01 Apr - 08 Apr	Air Premia	direct
05 Apr - 10 Apr	Air Premia	direct
18 Apr - 07 May	Air Premia	direct
17 Apr - 09 May	Turkish Airlines
17 Apr - 10 May	Turkish Airlines
03 Apr - 12 Apr	Air Premia	direct
17 Apr - 10 May	Air Premia	direct
11 Apr - 19 Apr	Air Premia	direct
17 Apr - 09 May	Air Premia	direct

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

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 April from 871€

Return flights