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

Return flights

10 Dec - 12 Dec	United
09 Dec - 12 Dec	United
08 Dec - 12 Dec	United
08 Dec - 10 Dec	United
18 Dec - 24 Dec	United
18 Dec - 25 Dec	United	direct
14 Dec - 17 Dec	United
20 Dec - 24 Dec	United
14 Dec - 16 Dec	United	direct
12 Dec - 16 Dec	United	direct
17 Dec - 12 Jan	Korean Air
25 Dec - 02 Jan	Korean Air
31 Dec - 02 Jan	Korean Air
30 Dec - 01 Jan	Air Busan
28 Dec - 05 Jan	T'way Air
26 Dec - 01 Jan	Eastar Jet
29 Dec - 03 Jan	Jeju Air
27 Dec - 01 Jan	Jeju Air
25 Dec - 01 Jan	Korean Air
26 Dec - 05 Jan	Jin 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 $258

Return flights