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

Return flights

27 Dec - 31 Dec	United	direct
31 Dec - 14 Jan	United	direct
29 Dec - 01 Jan	Jin Air
29 Dec - 12 Jan	Jin Air
28 Dec - 01 Jan	Eastar Jet
29 Dec - 05 Jan	Jin Air
30 Dec - 01 Jan	Jeju Air
24 Dec - 27 Dec	United	direct
24 Dec - 31 Dec	United	direct
29 Dec - 03 Jan	Jin Air
31 Dec - 05 Jan	Philippine Airlines
27 Dec - 03 Jan	Tigerair Taiwan
24 Dec - 28 Dec	Korean Air
31 Dec - 03 Jan	Tigerair Taiwan
25 Dec - 28 Dec	Korean Air
24 Dec - 26 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 339€

Return flights