Cheapest return flights from Athens to Helsinki in September from $226

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

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

Return flights

02 Sep - 09 Sep Norwegian Air Sweden AOC direct
19 Sep - 23 Sep Air France
12 Sep - 21 Sep Air France
02 Sep - 13 Sep Norwegian Air Sweden AOC direct
02 Sep - 16 Sep Norwegian Air Sweden AOC direct
30 Sep - 07 Oct Air France
23 Sep - 27 Sep Air France
06 Sep - 09 Sep Norwegian Air Sweden AOC direct
02 Sep - 06 Sep Norwegian Air Sweden AOC direct
02 Sep - 23 Sep Norwegian Air Sweden AOC direct
02 Sep - 05 Sep Norwegian Air Sweden AOC
16 Sep - 04 Oct Norwegian Air Sweden AOC direct
16 Sep - 07 Oct Norwegian Air Sweden AOC direct
30 Sep - 21 Oct Norwegian Air Sweden AOC direct
23 Sep - 04 Oct Norwegian Air Sweden AOC
20 Sep - 04 Oct Norwegian Air Sweden AOC direct
30 Sep - 04 Oct Norwegian Air Sweden AOC direct
23 Sep - 07 Oct Norwegian Air Sweden AOC
20 Sep - 07 Oct Norwegian Air Sweden AOC direct
30 Sep - 07 Oct Norwegian Air Sweden AOC direct

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.

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