AirHint found the following cheapest return flights from Honolulu (HNL) to Seoul (ICN) in October 2025 (see full year).

Return flights

14 Oct - 19 Oct	Zipair
25 Oct - 29 Oct	Air Premia	direct
20 Oct - 24 Oct	Air Premia	direct
31 Oct - 14 Nov	Air Premia	direct
15 Oct - 22 Oct	Air Premia	direct
16 Oct - 20 Oct	Zipair
01 Oct - 08 Oct	Air Premia	direct
02 Oct - 11 Oct	Philippine Airlines
16 Oct - 26 Oct	Zipair
02 Oct - 06 Oct	Philippine Airlines
19 Oct - 24 Oct	Philippine Airlines
21 Oct - 18 Nov	Philippine Airlines
19 Oct - 06 Nov	Philippine Airlines
21 Oct - 18 Nov	Delta	direct
19 Oct - 06 Nov	Delta	direct

Also check the deals for one-way flights from Honolulu 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 Honolulu to Seoul in October from 603€

Return flights