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

Return flights

27 Apr - 10 May	Air Canada
13 Apr - 19 Apr	Spirit Airlines
03 Apr - 18 Apr	Porter Airlines (Canada) Ltd
01 Apr - 12 Apr	Spirit Airlines
23 Apr - 08 May	Air Canada
08 Apr - 30 May	Air Canada
02 Apr - 14 Apr	Air Canada
08 Apr - 22 Apr	Air Canada
13 Apr - 20 Apr	Air Canada
05 Apr - 20 Apr	Air Canada
11 Apr - 16 Apr	Air Canada
03 Apr - 20 Apr	Air Canada
20 Apr - 27 Apr	Air Canada
01 Apr - 01 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 933€

Return flights