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

Return flights

20 May - 31 May	Porter Airlines (Canada) Ltd
21 May - 26 May	Porter Airlines (Canada) Ltd
01 May - 19 May	Porter Airlines (Canada) Ltd
31 May - 09 Jun	WestJet
01 May - 17 May	WestJet
03 May - 18 May	Air Canada
01 May - 09 May	Air Canada
21 May - 30 May	Porter Airlines (Canada) Ltd
28 May - 08 Jun	WestJet
01 May - 07 May	Air Canada
14 May - 18 May	Korean Air
14 May - 19 May	Korean Air
14 May - 01 Jun	Korean Air
27 May - 24 Jun	Air Canada

Also check the deals for one-way flights from New York to Seoul in May.

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 May from 971€

Return flights