AirHint found the following cheapest one-way flights from Tokyo (TYO) to Agana (GUM) in September 2025 (see full year).

One-Way flights

25 Sep	T'way Air
26 Sep	T'way Air
27 Sep	T'way Air
29 Sep	T'way Air
28 Sep	T'way Air
24 Sep	T'way Air
16 Sep	Philippine Airlines
27 Sep	Japan Airlines	direct
18 Sep	Japan Airlines	direct
25 Sep	Japan Airlines	direct

Also check the deals for return flights from Tokyo 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 one-way flights from Tokyo to Agana in September from 165€

One-Way flights