AirHint found the following cheapest return flights from Sihanoukville (KOS) to Kunming (KMG) in December 2025 (see full year).
Return flights
| 02 Dec - 09 Dec | AirAsia Cambodia | ||
| 01 Dec - 08 Dec | AirAsia | ||
| 30 Dec - 07 Jan | AirAsia Cambodia |
Also check the deals for one-way flights from Sihanoukville to Kunming in December.
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