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

Return flights

03 Sep - 06 Sep	Jeju Air
02 Sep - 06 Sep	Jeju Air
17 Sep - 24 Sep	Jeju Air
13 Sep - 20 Sep	Jeju Air
14 Sep - 21 Sep	Jeju Air
17 Sep - 20 Sep	Jeju Air
01 Sep - 06 Sep	Jeju Air
03 Sep - 06 Sep	United	direct
29 Sep - 07 Oct	Philippine Airlines
17 Sep - 24 Sep	United	direct
13 Sep - 20 Sep	United	direct
28 Sep - 14 Oct	Jin Air
28 Sep - 15 Oct	Jin Air
28 Sep - 18 Oct	Jin Air
28 Sep - 17 Oct	Jin Air
29 Sep - 14 Oct	Jin Air
29 Sep - 15 Oct	Jin Air
29 Sep - 18 Oct	Jin Air
29 Sep - 17 Oct	Jin Air
30 Sep - 14 Oct	Jin Air

Also check the deals for one-way flights from Agana to Taipei 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 Agana to Taipei in September from $444

Return flights