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

Return flights

01 Dec - 04 Dec	Jeju Air
02 Dec - 05 Dec	Jeju Air
03 Dec - 06 Dec	Jeju Air
13 Dec - 16 Dec	Jeju Air
16 Dec - 19 Dec	Jeju Air
03 Dec - 10 Dec	Jeju Air
10 Dec - 13 Dec	Jeju Air
05 Dec - 10 Dec	Jeju Air
13 Dec - 18 Dec	Jeju Air
05 Dec - 07 Dec	Jeju Air
31 Dec - 07 Jan	Korean Air
31 Dec - 30 Jan	Korean Air
29 Dec - 05 Jan	Korean Air
26 Dec - 05 Jan	Philippine Airlines
31 Dec - 04 Jan	Philippine Airlines
30 Dec - 05 Jan	Korean Air
26 Dec - 02 Jan	Philippine Airlines
31 Dec - 03 Jan	Philippine Airlines
24 Dec - 03 Jan	Philippine Airlines
26 Dec - 03 Jan	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 316€

Return flights