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

Return flights

15 Dec - 18 Dec	United	direct
20 Dec - 26 Dec	United	direct
19 Dec - 26 Dec	United	direct
22 Dec - 26 Dec	United	direct
17 Dec - 22 Dec	United	direct
14 Dec - 16 Dec	United	direct
17 Dec - 21 Dec	United	direct
11 Dec - 13 Dec	ANA
22 Dec - 24 Dec	United
13 Dec - 17 Dec	ANA
31 Dec - 02 Jan	Philippine Airlines
29 Dec - 01 Jan	Philippine Airlines
29 Dec - 02 Jan	Philippine Airlines
29 Dec - 03 Jan	Philippine Airlines
28 Dec - 11 Jan	T'way Air	direct
26 Dec - 01 Jan	ANA
27 Dec - 03 Jan	Jeju Air
30 Dec - 01 Jan	United
25 Dec - 05 Jan	ANA
30 Dec - 01 Jan	T'way Air	direct

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 $291

Return flights