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

Return flights

30 Aug - 04 Sep	United	direct
30 Aug - 06 Sep	United	direct
30 Aug - 02 Sep	United	direct
29 Aug - 02 Sep	United	direct
28 Aug - 31 Aug	Jeju Air
16 Aug - 20 Aug	Jeju Air
31 Aug - 06 Sep	United	direct
31 Aug - 04 Sep	United	direct
28 Aug - 04 Sep	Jeju Air
28 Aug - 01 Sep	Jeju Air
29 Aug - 31 Aug	Jeju Air
18 Aug - 20 Aug	Jeju Air
31 Aug - 02 Sep	Jeju Air
27 Aug - 29 Aug	Jeju Air
25 Aug - 28 Aug	T'way Air
16 Aug - 19 Aug	T'way Air
31 Aug - 03 Sep	Jeju Air
16 Aug - 30 Aug	T'way Air
25 Aug - 30 Aug	T'way Air
20 Aug - 21 Aug	T'way Air

Also check the deals for one-way flights from Tokyo to Agana in August.

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 August from 248€

Return flights