AirHint found the following cheapest return flights from Busan (PUS) to Agana (GUM) in December 2026 (see full year).
Return flights
| 07 Dec - 10 Dec | Korean Air | ||
| 19 Dec - 23 Dec | Korean Air | ||
| 30 Dec - 31 Dec | Korean Air |
Also check the deals for one-way flights from Busan to Agana in December.
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