AirHint found the following cheapest return flights from Busan (PUS) to Mexico City (MEX) in December 2025 (see full year).
Return flights
| 26 Dec - 01 Jan | Korean Air | ||
| 29 Dec - 05 Jan | Korean Air | ||
| 18 Dec - 24 Dec | Korean Air | ||
| 01 Dec - 05 Dec | Korean Air |
Also check the deals for one-way flights from Busan to Mexico City in December.
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