AirHint found the following cheapest return flights from Mexico City (MEX) to Helsinki (HEL) in September 2026 (see full year).
Return flights
| 10 Sep - 27 Sep | Volaris | ||
| 10 Sep - 28 Sep | Volaris | ||
| 09 Sep - 28 Sep | Volaris | ||
| 15 Sep - 15 Oct | Air France |
Also check the deals for one-way flights from Mexico City to Helsinki in September.
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