AirHint found the following cheapest return flights from Mexico City (MEX) to Helsinki (HEL) in December 2026 (see full year).
Return flights
| 25 Dec - 14 Jan | Air France | ||
| 27 Dec - 13 Jan | Air France | ||
| 01 Dec - 03 Jan | Lufthansa | ||
| 21 Dec - 04 Jan | Lufthansa | ||
| 17 Dec - 31 Dec | Lufthansa | ||
| 27 Dec - 01 Jan | Air France | ||
| 18 Dec - 04 Jan | Aeromexico |
Also check the deals for one-way flights from Mexico City to Helsinki in December.
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