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

Return flights

02 Sep - 04 Sep	Jeju Air
06 Sep - 09 Sep	Jeju Air
05 Sep - 07 Sep	Jeju Air
06 Sep - 10 Sep	Jeju Air
08 Sep - 11 Sep	Jeju Air
10 Sep - 17 Sep	Jeju Air
11 Sep - 15 Sep	Jeju Air
01 Sep - 02 Sep	Jeju Air
01 Sep - 04 Sep	Jeju Air
01 Sep - 03 Sep	Jeju Air

Also check the deals for one-way flights from Fukuoka to Agana in September.

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 September from $310

Return flights