Cheapest return flights from Seoul to Agana in December from $126

AirHint found the following cheapest return flights from Seoul (ICN) to Agana (GUM) in December 2025 (see full year).

Return flights

01 Dec - 05 Dec Air Seoul, Inc direct
07 Dec - 13 Dec Jin Air direct
02 Dec - 04 Dec Jin Air direct
08 Dec - 11 Dec Jin Air direct
07 Dec - 12 Dec Jin Air direct
08 Dec - 13 Dec Jin Air direct
02 Dec - 05 Dec Jin Air direct
07 Dec - 11 Dec Jin Air direct
08 Dec - 12 Dec Jin Air direct
02 Dec - 03 Dec Jin Air direct
02 Dec - 08 Jan Jin Air direct
09 Dec - 09 Jan Jin Air direct
15 Dec - 07 Jan Korean Air direct
22 Dec - 01 Jan Jin Air direct
23 Dec - 09 Jan Jin Air direct
30 Dec - 06 Jan Jin Air direct
18 Dec - 12 Jan Korean Air direct
31 Dec - 06 Jan Jin Air direct
18 Dec - 05 Jan Jin Air direct
26 Dec - 01 Jan Jin Air direct

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

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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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