AirHint found the following cheapest return flights from Honolulu (HNL) to Agana (GUM) in December 2025 (see full year).

Return flights

16 Dec - 23 Dec	Zipair
10 Dec - 17 Dec	Hawaiian Airlines
18 Dec - 04 Jan	Asiana Airlines
22 Dec - 26 Dec	Air Premia
19 Dec - 04 Jan	Korean Air
22 Dec - 27 Dec	Air Premia
28 Dec - 04 Jan	Air Premia
28 Dec - 04 Jan	United	direct
09 Dec - 16 Dec	United	direct
11 Dec - 18 Dec	United	direct
10 Dec - 17 Dec	United	direct
19 Dec - 04 Jan	United	direct
16 Dec - 23 Dec	United	direct
22 Dec - 26 Dec	United	direct
22 Dec - 27 Dec	United	direct
18 Dec - 04 Jan	United	direct

Also check the deals for one-way flights from Honolulu to Agana in December.

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 Agana in December from 958€

Return flights