AirHint found the following cheapest one-way flights from Helsinki (HEL) to Mexico City (MEX) in December 2025 (see full year).
One-Way flights
| 03 Dec | Ryanair | ||
| 14 Dec | airBaltic | ||
| 23 Dec | Finnair | ||
| 24 Dec | Norwegian Air Sweden AOC |
Also check the deals for return flights from Helsinki to Mexico City in December.
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