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

Return flights

27 Aug - 30 Aug	T'way Air
20 Aug - 23 Aug	T'way Air
29 Aug - 31 Aug	T'way Air
21 Aug - 27 Aug	Jeju Air
11 Aug - 21 Aug	Jin Air
27 Aug - 31 Aug	Jin Air
11 Aug - 30 Aug	Jin Air
11 Aug - 14 Aug	Jin Air
11 Aug - 23 Aug	Jin Air
11 Aug - 31 Aug	Jin Air
27 Aug - 08 Sep	Jin Air
20 Aug - 08 Sep	Jin Air
29 Aug - 19 Sep	Jin Air
29 Aug - 08 Sep	Jin Air
21 Aug - 08 Sep	Jin Air
27 Aug - 05 Sep	Jin Air
20 Aug - 05 Sep	Jin Air
29 Aug - 05 Sep	Jin Air
21 Aug - 05 Sep	Jin Air

Also check the deals for one-way flights from Sapporo 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 Sapporo to Agana in August from 304€

Return flights