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

Return flights

07 Apr - 05 May	Spirit Airlines
07 Apr - 06 May	Spirit Airlines
04 Apr - 18 Apr	Porter Airlines (Canada) Ltd
30 Apr - 16 May	Porter Airlines (Canada) Ltd
03 Apr - 12 Apr	WestJet
08 Apr - 15 Apr	Air Canada
09 Apr - 06 May	Spirit Airlines
04 Apr - 25 Apr	Porter Airlines (Canada) Ltd
29 Apr - 04 May	Air Canada
01 Apr - 12 Apr	Spirit Airlines
01 Apr - 01 May	Spirit Airlines
03 Apr - 17 Apr	WestJet
14 Apr - 28 Apr	Air Canada
12 Apr - 25 Apr	Air Canada
01 Apr - 11 Apr	Korean Air
06 Apr - 11 Apr	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 $949

Return flights