AirHint found the following cheapest one-way flights from Athens (ATH) to Helsinki (HEL) in June 2026 (see full year).
One-Way flights
| 10 Jun | Wizz Air Malta | ||
| 28 Jun | Aegean Airlines | direct | |
| 19 Jun | Pegasus Airlines | ||
| 23 Jun | Norwegian Air Sweden AOC | direct |
Also check the deals for return flights from Athens to Helsinki in June.
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