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

Return flights

13 Jan - 20 Jan	T'way Air	direct
25 Jan - 28 Jan	T'way Air	direct
13 Jan - 17 Jan	T'way Air	direct
25 Jan - 27 Jan	T'way Air	direct
22 Jan - 26 Jan	T'way Air	direct
15 Jan - 17 Jan	T'way Air	direct
14 Jan - 16 Jan	T'way Air	direct
18 Jan - 22 Jan	T'way Air	direct
17 Jan - 20 Jan	T'way Air	direct
11 Jan - 14 Jan	T'way Air	direct
30 Jan - 01 Feb	T'way Air	direct
27 Jan - 03 Feb	United	direct
28 Jan - 01 Feb	United	direct

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 $258

Return flights