AirHint found the following cheapest one-way flights from Athens (ATH) to Helsinki (HEL) in December 2025 (see full year).
One-Way flights
| 07 Dec | Ryanair | ||
| 04 Dec | Ryanair | ||
| 11 Dec | Ryanair | ||
| 15 Dec | Ryanair | ||
| 12 Dec | Ryanair | ||
| 08 Dec | KLM | ||
| 14 Dec | Ryanair | ||
| 02 Dec | SKY express | ||
| 13 Dec | airBaltic | ||
| 06 Dec | airBaltic |
Also check the deals for return flights from Athens to Helsinki in December.
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