Cheapest one-way flights from Athens to Helsinki in September from $98

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

02 Sep Norwegian Air Sweden AOC direct
06 Sep Norwegian Air Sweden AOC direct
25 Sep Ryanair
21 Sep Ryanair
09 Sep Norwegian Air Sweden AOC direct
16 Sep airBaltic
19 Sep Ryanair
19 Sep Aegean Airlines direct
16 Sep Aegean Airlines direct
20 Sep Air Serbia

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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