Cheapest return flights from Athens to Helsinki in September from 207€

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

23 Sep - 27 Sep airBaltic
06 Sep - 23 Sep Norwegian Air Sweden AOC direct
06 Sep - 16 Sep Norwegian Air Sweden AOC direct
06 Sep - 09 Sep Norwegian Air Sweden AOC
16 Sep - 04 Oct Norwegian Air Sweden AOC direct
14 Sep - 25 Oct Aegean Airlines direct
30 Sep - 08 Oct Aegean Airlines
26 Sep - 03 Oct Ryanair
16 Sep - 27 Oct Aegean Airlines
13 Sep - 23 Sep Norwegian Air Sweden AOC direct
13 Sep - 04 Oct Norwegian Air Sweden AOC direct
30 Sep - 04 Oct Norwegian Air Sweden AOC direct
13 Sep - 16 Sep Norwegian Air Sweden AOC direct
23 Sep - 04 Oct Norwegian Air Sweden AOC direct
26 Sep - 04 Oct Lufthansa
30 Sep - 14 Oct Norwegian Air Sweden AOC
06 Sep - 20 Sep Norwegian Air Sweden AOC direct
16 Sep - 20 Sep Norwegian Air Sweden AOC direct
06 Sep - 27 Sep Norwegian Air Sweden AOC direct
16 Sep - 27 Sep Norwegian Air Sweden AOC direct

Also check the deals for one-way flights from Athens to Helsinki in September.

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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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