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

Return flights

15 Apr - 27 Apr	China Airlines
22 Apr - 29 Apr	China Airlines
05 Apr - 14 Apr	China Airlines
12 Apr - 19 Apr	China Airlines
12 Apr - 25 Apr	China Airlines
02 Apr - 08 Apr	Turkish Airlines
03 Apr - 12 Apr	China Airlines
26 Apr - 08 May	Turkish Airlines
06 Apr - 18 Apr	Turkish Airlines
09 Apr - 25 Apr	Turkish Airlines
15 Apr - 23 Apr	China Airlines
17 Apr - 17 May	Turkish Airlines
17 Apr - 17 May	Air Premia	direct
26 Apr - 08 May	Air Premia	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 819€

Return flights