Cheapest one-way flights from Athens to Helsinki in September from $101

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
12 Sep Aegean Airlines direct
06 Sep Norwegian Air Sweden AOC direct
16 Sep airBaltic
09 Sep Norwegian Air Sweden AOC direct
16 Sep Aegean Airlines direct
19 Sep Aegean Airlines direct
11 Sep Ryanair
10 Sep SKY express
15 Sep Ryanair

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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