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

Return flights

14 Apr - 30 Apr	Etihad Airways
10 Apr - 08 May	Etihad Airways
26 Apr - 08 May	Etihad Airways
02 Apr - 14 Apr	Turkish Airlines
01 Apr - 11 Apr	Turkish Airlines
01 Apr - 30 Apr	Etihad Airways
20 Apr - 27 Apr	Turkish Airlines
01 Apr - 30 Apr	Air Premia	direct
14 Apr - 30 Apr	Air Premia	direct
20 Apr - 27 Apr	Air Premia	direct
26 Apr - 08 May	Air Premia	direct
10 Apr - 08 May	Air Premia	direct
27 Apr - 04 May	Air Canada
27 Apr - 04 May	Delta	direct
01 Apr - 11 Apr	Korean Air	direct

Also check the deals for one-way flights from New York 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 New York to Seoul in April from $970

Return flights