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

Return flights

17 Dec - 24 Dec	United
15 Dec - 17 Dec	United
14 Dec - 17 Dec	United
13 Dec - 17 Dec	United
10 Dec - 12 Dec	United
08 Dec - 12 Dec	United
09 Dec - 12 Dec	United
08 Dec - 10 Dec	United
11 Dec - 17 Dec	United
13 Dec - 16 Dec	United	direct
24 Dec - 07 Jan	Korean Air
30 Dec - 01 Jan	Korean Air
31 Dec - 05 Jan	Korean Air
31 Dec - 04 Jan	Korean Air
30 Dec - 02 Jan	Peach
29 Dec - 01 Jan	Korean Air
31 Dec - 02 Jan	Korean Air
30 Dec - 03 Jan	Peach
31 Dec - 03 Jan	Korean Air
29 Dec - 02 Jan	ANA

Also check the deals for one-way flights from Tokyo 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.

Book a cheap hotel in Agana

Cheap car rent in Agana

Cheapest return flights from Tokyo to Agana in December from $254

Return flights