AirHint found the following cheapest return flights from Busan (PUS) to Agana (GUM) in October 2025 (see full year).

Return flights

13 Oct - 18 Oct	Jin Air	direct
14 Oct - 18 Oct	Jin Air	direct
13 Oct - 25 Oct	Jin Air	direct
13 Oct - 17 Oct	Jin Air	direct
13 Oct - 24 Oct	Jin Air	direct
15 Oct - 18 Oct	Jin Air	direct
13 Oct - 16 Oct	Jin Air	direct
13 Oct - 22 Oct	Jin Air	direct
14 Oct - 25 Oct	Jin Air	direct
14 Oct - 17 Oct	Jin Air	direct
29 Oct - 03 Nov	Korean Air
30 Oct - 03 Nov	Korean Air
29 Oct - 02 Nov	Korean Air
31 Oct - 07 Nov	Korean Air

Also check the deals for one-way flights from Busan to Agana in October.

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 Busan to Agana in October from $180

Return flights