Cheapest return flights from Seoul to Agana in December from $360

Best time to book flights for Seoul (ICN) to Agana (GUM) flights at AirHint

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

Return flights

05 Dec - 10 Dec Korean Air direct
06 Dec - 11 Dec Korean Air direct
10 Dec - 10 Dec Korean Air direct
05 Dec - 09 Dec Korean Air direct
02 Dec - 05 Dec Korean Air direct
05 Dec - 08 Dec Korean Air direct
15 Dec - 18 Dec Korean Air direct
03 Dec - 11 Dec Korean Air direct
08 Dec - 12 Dec Korean Air direct
03 Dec - 09 Dec Korean Air direct
31 Dec - 05 Jan Korean Air direct
24 Dec - 22 Jan Korean Air direct
29 Dec - 02 Jan Korean Air direct
31 Dec - 04 Jan Korean Air direct
29 Dec - 03 Jan Korean Air direct
20 Dec - 01 Jan Korean Air direct
28 Dec - 03 Jan Korean Air direct
24 Dec - 02 Jan Korean Air direct
27 Dec - 02 Jan Korean Air direct
25 Dec - 03 Jan Korean Air

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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