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

Return flights

09 Apr - 25 Apr	Porter Airlines (Canada) Ltd
15 Apr - 27 Apr	Air Canada
22 Apr - 29 Apr	Air Canada
01 Apr - 13 Apr	Air Canada
09 Apr - 12 Apr	Porter Airlines (Canada) Ltd
16 Apr - 30 Apr	Porter Airlines (Canada) Ltd
02 Apr - 10 Apr	Porter Airlines (Canada) Ltd
02 Apr - 12 Apr	Air Canada
03 Apr - 12 Apr	Air Canada
12 Apr - 19 Apr	Air Canada
26 Apr - 08 May	Air Canada
17 Apr - 17 May	Korean Air

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 $1107

Return flights