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

Return flights

11 Sep - 22 Sep	ANA
05 Sep - 27 Sep	Air Premia	direct
22 Sep - 26 Sep	Air Premia	direct
10 Sep - 17 Sep	Air Premia	direct
13 Sep - 30 Sep	Alaska Airlines
15 Sep - 24 Sep	Air Premia	direct
12 Sep - 20 Sep	Air Premia	direct
05 Sep - 14 Sep	ANA
19 Sep - 28 Sep	ANA
05 Sep - 14 Sep	Alaska Airlines	direct
23 Sep - 21 Oct	Air Canada
23 Sep - 21 Oct	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 $706

Return flights