Cheapest return flights from Seoul to Agana in December from $273

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

Return flights

09 Dec - 12 Dec Jeju Air direct
09 Dec - 11 Dec Jeju Air direct
15 Dec - 19 Dec Jeju Air direct
01 Dec - 05 Dec Jeju Air direct
08 Dec - 11 Dec Jeju Air direct
15 Dec - 18 Dec Jeju Air direct
01 Dec - 18 Dec Jeju Air direct
08 Dec - 12 Dec Jeju Air direct
12 Dec - 18 Dec Jeju Air direct
03 Dec - 10 Dec Jeju Air direct
21 Dec - 03 Jan Jeju Air direct
31 Dec - 06 Jan Korean Air direct
31 Dec - 05 Jan Korean Air direct
30 Dec - 05 Jan Korean Air direct
27 Dec - 02 Jan Jeju Air direct
28 Dec - 03 Jan Jeju Air direct
28 Dec - 02 Jan Jeju Air direct
24 Dec - 02 Jan Jeju Air direct
31 Dec - 04 Jan Jeju Air direct
27 Dec - 01 Jan Jeju 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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