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

Return flights

12 Mar - 03 Apr	Turkish Airlines
11 Mar - 22 Mar	Etihad Airways
09 Mar - 18 Mar	Turkish Airlines
10 Mar - 14 Mar	Turkish Airlines
06 Mar - 09 Mar	Turkish Airlines
07 Mar - 15 Mar	Turkish Airlines
06 Mar - 09 Mar	Air Premia	direct
11 Mar - 22 Mar	Air Premia	direct
10 Mar - 14 Mar	Air Premia	direct
09 Mar - 18 Mar	Delta	direct
12 Mar - 03 Apr	Korean Air	direct
07 Mar - 15 Mar	Delta	direct

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 $994

Return flights