Cheapest return flights from Seoul to Agana in December from $391

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

06 Dec - 09 Dec Korean Air direct
11 Dec - 15 Dec Korean Air direct
10 Dec - 12 Dec Korean Air direct
13 Dec - 18 Dec Korean Air direct
01 Dec - 05 Dec Korean Air direct
04 Dec - 09 Dec Korean Air direct
12 Dec - 16 Dec Korean Air direct
08 Dec - 12 Dec Korean Air direct
06 Dec - 18 Dec Korean Air direct
06 Dec - 10 Dec Korean Air direct
31 Dec - 02 Jan Korean Air direct
30 Dec - 04 Jan Korean Air direct
31 Dec - 04 Jan Korean Air direct
30 Dec - 02 Jan Korean Air direct
29 Dec - 02 Jan Korean Air direct
29 Dec - 04 Jan Korean Air direct
28 Dec - 03 Jan Korean Air direct
27 Dec - 03 Jan Korean Air direct
27 Dec - 02 Jan Korean Air direct
23 Dec - 01 Jan Korean 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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