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

Return flights

19 Oct - 18 Nov	Delta
15 Oct - 29 Oct	Korean Air
08 Oct - 13 Oct	Korean Air
07 Oct - 05 Nov	Korean Air
07 Oct - 25 Oct	Korean Air
05 Oct - 23 Oct	Korean Air
06 Oct - 25 Oct	Korean Air
06 Oct - 06 Nov	Korean Air
29 Oct - 08 Nov	Korean Air
15 Oct - 01 Nov	Korean Air
25 Oct - 07 Nov	Korean Air
03 Oct - 11 Oct	Korean Air
23 Oct - 30 Oct	Korean Air
09 Oct - 18 Oct	Korean Air
09 Oct - 25 Oct	Korean Air
24 Oct - 07 Nov	Korean Air
28 Oct - 09 Nov	Delta
03 Oct - 10 Oct	Air Canada

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

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 October from 1323€

Return flights