AirHint found the following cheapest return flights from Seoul (GMP) to Honolulu (HNL) in September 2026 (see full year).

Return flights

06 Sep - 13 Sep	ANA
27 Sep - 03 Oct	ANA
08 Sep - 16 Sep	ANA
01 Sep - 08 Sep	ANA
01 Sep - 11 Sep	ANA
28 Sep - 01 Oct	ANA
06 Sep - 11 Sep	ANA
13 Sep - 19 Sep	ANA
11 Sep - 11 Sep	ANA
30 Sep - 12 Oct	ANA
01 Sep - 10 Sep	ANA
02 Sep - 12 Sep	ANA
24 Sep - 02 Oct	ANA
24 Sep - 01 Oct	ANA
30 Sep - 08 Oct	ANA
27 Sep - 04 Oct	ANA
06 Sep - 18 Sep	ANA
21 Sep - 04 Oct	ANA
21 Sep - 01 Oct	ANA
30 Sep - 10 Oct	ANA

Also check the deals for one-way flights from Seoul to Honolulu 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 Seoul to Honolulu in September from $778

Return flights