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

Return flights

17 Apr - 10 May	Etihad Airways
18 Apr - 07 May	Etihad Airways
17 Apr - 09 May	Etihad Airways
02 Apr - 06 Apr	Air Canada
01 Apr - 08 Apr	Air Canada
11 Apr - 19 Apr	Cathay Pacific
08 Apr - 15 Apr	Air Canada
03 Apr - 12 Apr	Air Canada
01 Apr - 22 Apr	Air Canada
06 Apr - 20 Apr	Air Canada
13 Apr - 23 Apr	Air Canada
01 Apr - 08 Apr	Asiana Airlines	direct
02 Apr - 06 Apr	Asiana Airlines	direct
18 Apr - 07 May	Delta	direct
17 Apr - 09 May	Delta	direct
17 Apr - 10 May	Delta	direct

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 845€

Return flights