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

Return flights

06 Jul - 27 Jul	Korean Air	direct
14 Jul - 15 Jul	Korean Air	direct
14 Jul - 16 Jul	Korean Air	direct
14 Jul - 17 Jul	Korean Air	direct
05 Jul - 11 Jul	Korean Air	direct
08 Jul - 11 Jul	Korean Air	direct
31 Jul - 04 Aug	Korean Air	direct
26 Jul - 29 Jul	Korean Air	direct
25 Jul - 01 Aug	Korean Air	direct

Also check the deals for one-way flights from Seoul to Agana in July.

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 Seoul to Agana in July from 333€

Return flights