AirHint found the following cheapest return flights from Osaka (KIX) to Agana (GUM) in January 2026 (see full year).

Return flights

13 Jan - 16 Jan	United	direct
26 Jan - 30 Jan	United	direct
20 Jan - 24 Jan	United	direct
21 Jan - 24 Jan	United	direct
26 Jan - 29 Jan	United	direct
07 Jan - 09 Jan	United	direct
31 Jan - 04 Feb	United	direct
31 Jan - 03 Feb	United	direct
21 Jan - 25 Jan	United	direct
16 Jan - 19 Jan	United	direct
30 Jan - 02 Feb	United	direct
29 Jan - 02 Feb	United	direct
10 Jan - 14 Jan	United	direct
06 Jan - 08 Jan	ANA

Also check the deals for one-way flights from Osaka to Agana in January.

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 January from $356

Return flights