AirHint found the following cheapest return flights from Manila (MNL) to Ulaanbaatar (UBN) in December 2025 (see full year).
Return flights
| 05 Dec - 12 Dec | Philippines AirAsia Inc. | ||
| 31 Dec - 04 Jan | Cebu Pacific | ||
| 09 Dec - 14 Dec | Asiana Airlines | ||
| 06 Dec - 13 Dec | Korean Air | ||
| 25 Dec - 29 Dec | Korean Air | ||
| 26 Dec - 30 Dec | Asiana Airlines |
Also check the deals for one-way flights from Manila to Ulaanbaatar in December.
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