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

Return flights

23 Oct - 01 Nov	ANA
17 Oct - 20 Oct	ANA
22 Oct - 01 Nov	ANA
23 Oct - 23 Oct	ANA
23 Oct - 30 Oct	ANA
28 Oct - 01 Nov	ANA
28 Oct - 04 Nov	ANA
22 Oct - 28 Oct	ANA
22 Oct - 27 Oct	ANA
20 Oct - 28 Oct	ANA
17 Oct - 21 Oct	ANA
25 Oct - 27 Oct	ANA
24 Oct - 28 Oct	ANA
27 Oct - 26 Nov	ANA
20 Oct - 27 Oct	ANA
29 Oct - 08 Nov	ANA
29 Oct - 12 Nov	ANA
30 Oct - 04 Nov	ANA
29 Oct - 05 Nov	ANA
25 Oct - 01 Nov	ANA

Also check the deals for one-way flights from Seoul to Honolulu 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 Seoul to Honolulu in October from $772

Return flights