Cheapest one-way flights from Athens to Helsinki in September from 90€

Best time to book flights for Athens (ATH) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest one-way flights from Athens (ATH) to Helsinki (HEL) in September 2025 (see full year).

One-Way flights

19 Sep Aegean Airlines direct
02 Sep Norwegian Air Sweden AOC direct
18 Sep Scandinavian Airlines
22 Sep Scandinavian Airlines
13 Sep Norwegian Air Sweden AOC direct
30 Sep SKY express
03 Sep Scandinavian Airlines
14 Sep Aegean Airlines direct
20 Sep Norwegian Air Sweden AOC direct
05 Sep Aegean Airlines direct

Also check the deals for return flights from Athens to Helsinki in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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