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

Return flights

19 Dec - 24 Dec	United
19 Dec - 26 Dec	United
21 Dec - 24 Dec	United
22 Dec - 24 Dec	United
22 Dec - 26 Dec	United
05 Dec - 12 Dec	United
08 Dec - 12 Dec	United
11 Dec - 17 Dec	United
13 Dec - 17 Dec	United
09 Dec - 12 Dec	United
20 Dec - 06 Jan	United	direct
22 Dec - 06 Jan	United	direct
31 Dec - 07 Jan	T'way Air
20 Dec - 04 Jan	Korean Air
24 Dec - 04 Jan	Korean Air
31 Dec - 05 Jan	T'way Air
31 Dec - 03 Jan	T'way Air
31 Dec - 04 Jan	T'way Air
29 Dec - 01 Jan	T'way Air
30 Dec - 01 Jan	Korean Air

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.

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Cheapest return flights from Tokyo to Agana in December from 209€

Return flights