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

Return flights

04 Sep - 13 Sep	ANA
08 Sep - 13 Oct	ANA
08 Sep - 15 Oct	ANA
08 Sep - 14 Oct	ANA
08 Sep - 13 Oct	Air Premia	direct
08 Sep - 15 Oct	Air Premia	direct
05 Sep - 14 Sep	ANA
01 Sep - 17 Sep	Air Premia	direct
06 Sep - 13 Sep	Air Premia	direct
22 Sep - 24 Oct	Air Premia	direct
19 Sep - 26 Sep	Air Premia	direct
05 Sep - 14 Sep	Alaska Airlines	direct
06 Sep - 16 Oct	Hawaiian Airlines
04 Sep - 13 Sep	Alaska Airlines	direct
08 Sep - 14 Oct	Asiana Airlines	direct
17 Sep - 03 Oct	ANA
06 Sep - 16 Oct	Delta	direct
28 Sep - 30 Sep	Hawaiian Airlines
28 Sep - 30 Sep	Asiana Airlines	direct

Also check the deals for one-way flights from Honolulu to Seoul in September.

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 September from $622

Return flights