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

Return flights

01 Sep - 03 Sep	United	direct
08 Sep - 11 Sep	United	direct
03 Sep - 06 Sep	United	direct
14 Sep - 19 Sep	United	direct
22 Sep - 26 Sep	United	direct
08 Sep - 12 Sep	United	direct
18 Sep - 25 Sep	United	direct
04 Sep - 09 Sep	United	direct
01 Sep - 04 Sep	United	direct
16 Sep - 20 Sep	United	direct
29 Sep - 03 Oct	United	direct
28 Sep - 01 Oct	United	direct
27 Sep - 01 Oct	United	direct
25 Sep - 01 Oct	Jin Air
11 Sep - 01 Oct	Jin Air
13 Sep - 01 Oct	Jin Air
16 Sep - 01 Oct	Jin Air
10 Sep - 01 Oct	Jin Air
18 Sep - 01 Oct	Jin Air
23 Sep - 01 Oct	Jin Air

Also check the deals for one-way flights from Osaka 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.

Book a cheap hotel in Agana

Cheap car rent in Agana

Cheapest return flights from Osaka to Agana in September from 254€

Return flights