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

Return flights

24 Dec - 31 Dec	United	direct
24 Dec - 27 Dec	United	direct
03 Dec - 10 Dec	United	direct
27 Dec - 03 Jan	United	direct
01 Dec - 06 Dec	Philippine Airlines
20 Dec - 27 Dec	United	direct
23 Dec - 29 Dec	Philippine Airlines
25 Dec - 02 Jan	Philippine Airlines
31 Dec - 04 Jan	Cebu Pacific
18 Dec - 24 Dec	Korean Air
24 Dec - 28 Dec	Cebu Pacific
23 Dec - 30 Dec	Philippine Airlines
21 Dec - 28 Dec	Philippine Airlines

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 $451

Return flights