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

Return flights

17 Dec - 23 Dec	Japan Airlines
18 Dec - 23 Dec	Japan Airlines
06 Dec - 14 Dec	Japan Airlines
03 Dec - 07 Dec	Japan Airlines
02 Dec - 05 Dec	Japan Airlines
04 Dec - 07 Dec	Japan Airlines
24 Dec - 07 Jan	Japan Airlines
25 Dec - 29 Dec	Japan Airlines
30 Dec - 31 Dec	Japan Airlines
30 Dec - 01 Jan	Japan Airlines
28 Dec - 31 Dec	ANA
31 Dec - 03 Jan	ANA
26 Dec - 01 Jan	ANA
27 Dec - 31 Dec	ANA
31 Dec - 04 Jan	ANA
27 Dec - 03 Jan	ANA
28 Dec - 03 Jan	ANA
27 Dec - 02 Jan	ANA
29 Dec - 02 Jan	ANA
30 Dec - 02 Jan	ANA

Also check the deals for one-way flights from Osaka 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 Osaka to Agana in December from 531€

Return flights