AirHint found the following cheapest return flights from Madrid (MAD) to Helsinki (HEL) in September 2026 (see full year).
Return flights
| 09 Sep - 16 Sep | Ryanair | ||
| 04 Sep - 06 Sep | Transavia France | ||
| 13 Sep - 29 Sep | Iberia | ||
| 01 Sep - 01 Sep | Iberia Express | ||
| 01 Sep - 07 Sep | Finnair | direct |
Also check the deals for one-way flights from Madrid to Helsinki in September.
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