AirHint found the following cheapest return flights from Seoul (ICN) to Agana (GUM) in August 2026 (see full year).

Return flights

31 Aug - 05 Sep	Jin Air	direct
21 Aug - 26 Aug	Jin Air	direct
18 Aug - 22 Aug	Jin Air	direct
03 Aug - 05 Aug	Jin Air	direct
24 Aug - 29 Aug	Korean Air	direct
24 Aug - 27 Aug	Korean Air	direct
29 Aug - 31 Aug	Korean Air	direct
23 Aug - 30 Aug	Korean Air	direct
23 Aug - 28 Aug	Korean Air	direct
23 Aug - 27 Aug	Korean Air	direct
25 Aug - 29 Aug	Korean Air	direct
31 Aug - 03 Sep	Korean Air	direct
03 Aug - 05 Sep	Korean Air	direct

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

Book a cheap hotel in Agana

Cheap car rent in Agana

Cheapest return flights from Seoul to Agana in August from 157€

Return flights