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

Return flights

03 Mar - 08 Apr	Spirit Airlines
12 Mar - 22 Mar	Spirit Airlines
31 Mar - 21 Apr	Porter Airlines (Canada) Ltd
08 Mar - 17 Mar	Spirit Airlines
25 Mar - 27 Apr	Spirit Airlines
03 Mar - 25 Mar	Spirit Airlines
01 Mar - 09 Mar	Spirit Airlines
13 Mar - 05 Apr	Spirit Airlines
04 Mar - 11 Mar	Frontier Airlines
20 Mar - 07 Apr	Air Canada
11 Mar - 18 Mar	Air Canada
30 Mar - 10 Apr	Air Canada
13 Mar - 22 Mar	Spirit Airlines
01 Mar - 08 Mar	Air Canada
03 Mar - 06 Mar	Air Canada
10 Mar - 18 Mar	Air Canada
15 Mar - 01 Apr	Air Canada
05 Mar - 22 Apr	Korean Air
05 Mar - 23 Apr	Korean Air
31 Mar - 07 Apr	Korean Air

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

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 March from $982

Return flights