Cheapest return GUM–ICN flights, December

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

Return flights

04 Dec - 09 Dec Korean Air direct
01 Dec - 15 Dec Korean Air direct
16 Dec - 02 Jan Korean Air direct
26 Dec - 30 Dec Philippine Airlines
18 Dec - 31 Dec Korean Air direct
26 Dec - 02 Jan Korean Air direct
26 Dec - 30 Dec Korean Air direct

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

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