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

Return flights

19 Aug - 23 Aug	T'way Air
20 Aug - 24 Aug	T'way Air
29 Aug - 01 Sep	Jeju Air
21 Aug - 25 Aug	T'way Air
23 Aug - 25 Aug	T'way Air
26 Aug - 28 Aug	T'way Air
22 Aug - 26 Aug	T'way Air
12 Aug - 19 Aug	Jeju Air
21 Aug - 24 Aug	T'way Air
29 Aug - 05 Sep	Jeju Air
26 Aug - 29 Aug	Jeju Air
31 Aug - 06 Sep	Jeju Air
11 Aug - 18 Aug	Jeju Air
13 Aug - 03 Sep	Jin Air
26 Aug - 03 Sep	Jin Air
26 Aug - 05 Sep	Jin Air
26 Aug - 13 Sep	Jin Air
26 Aug - 04 Sep	Jin Air
26 Aug - 06 Sep	Jin Air
26 Aug - 08 Sep	Jin Air

Also check the deals for one-way flights from Fukuoka 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 Fukuoka to Agana in August from 262€

Return flights