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

Return flights

23 Mar - 06 Apr	jetBlue
23 Mar - 13 Apr	jetBlue
05 Mar - 13 Apr	Air India
05 Mar - 20 Apr	Air India
04 Mar - 18 Mar	Air India
23 Mar - 22 Apr	Air India
02 Mar - 23 Mar	Hawaiian Airlines
03 Mar - 12 Mar	Etihad Airways
04 Mar - 25 Mar	Air India
03 Mar - 26 Mar	Etihad Airways
09 Mar - 23 Mar	Etihad Airways
08 Mar - 17 Mar	Etihad Airways
16 Mar - 30 Mar	Etihad Airways
23 Mar - 10 Apr	jetBlue
20 Mar - 03 Apr	Etihad Airways
08 Mar - 23 Mar	Etihad Airways
10 Mar - 06 Apr	Etihad Airways
26 Mar - 13 Apr	Air India
05 Mar - 21 Mar	Etihad Airways
09 Mar - 06 Apr	Cathay Pacific

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 730€

Return flights