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

Return flights

03 Dec - 10 Dec	Jeju Air
06 Dec - 10 Dec	Jeju Air
07 Dec - 10 Dec	Jeju Air
17 Dec - 20 Dec	Jeju Air
03 Dec - 06 Dec	Jeju Air
02 Dec - 09 Dec	Jeju Air
03 Dec - 09 Dec	Jeju Air
20 Dec - 23 Dec	Jeju Air
04 Dec - 08 Dec	Tigerair Taiwan
21 Dec - 23 Dec	Jeju Air
31 Dec - 05 Jan	Korean Air
26 Dec - 03 Jan	Korean Air
31 Dec - 03 Jan	Korean Air
27 Dec - 03 Jan	Korean Air
30 Dec - 03 Jan	Korean Air
27 Dec - 03 Jan	United	direct
24 Dec - 03 Jan	United	direct
31 Dec - 03 Jan	United	direct

Also check the deals for one-way flights from Taipei 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 Taipei to Agana in December from $297

Return flights