Cheapest return flights from Athens to Helsinki in September from $205

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

Return flights

02 Sep - 06 Sep Norwegian Air Sweden AOC direct
02 Sep - 16 Sep Norwegian Air Sweden AOC direct
09 Sep - 16 Sep Norwegian Air Sweden AOC direct
18 Sep - 23 Sep Ryanair
02 Sep - 09 Sep Aegean Airlines
09 Sep - 30 Sep Norwegian Air Sweden AOC direct
16 Sep - 21 Sep Air France
16 Sep - 22 Sep Air France
16 Sep - 20 Sep Air France
23 Sep - 30 Sep Air France
13 Sep - 04 Oct Norwegian Air Sweden AOC direct
26 Sep - 05 Oct Air France
30 Sep - 07 Oct Norwegian Air Sweden AOC direct
30 Sep - 04 Oct Norwegian Air Sweden AOC direct
30 Sep - 21 Oct Norwegian Air Sweden AOC direct
16 Sep - 07 Oct Norwegian Air Sweden AOC direct
16 Sep - 04 Oct Norwegian Air Sweden AOC direct
20 Sep - 07 Oct Norwegian Air Sweden AOC direct
20 Sep - 04 Oct Norwegian Air Sweden AOC direct
30 Sep - 05 Oct Aegean Airlines

Also check the deals for one-way 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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.