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

Return flights

02 Oct - 10 Oct	Zipair
16 Oct - 26 Oct	Zipair
02 Oct - 11 Oct	Zipair
12 Oct - 20 Oct	Zipair
03 Oct - 10 Oct	Philippine Airlines
17 Oct - 26 Oct	Philippine Airlines
17 Oct - 02 Nov	Philippine Airlines
15 Oct - 22 Oct	Air Premia	direct
03 Oct - 10 Oct	Air Premia	direct
01 Oct - 11 Oct	Air Premia	direct
17 Oct - 26 Oct	Air Premia	direct
17 Oct - 02 Nov	Air Premia	direct
02 Oct - 03 Nov	Zipair
02 Oct - 03 Nov	Delta	direct
31 Oct - 08 Nov	Air Canada
31 Oct - 08 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 571€

Return flights