Cheapest return flights from Athens to Helsinki in September from 176€

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

Return flights

06 Sep - 09 Sep Norwegian Air Sweden AOC direct
09 Sep - 20 Sep Norwegian Air Sweden AOC direct
09 Sep - 30 Sep Norwegian Air Sweden AOC direct
06 Sep - 20 Sep Norwegian Air Sweden AOC direct
16 Sep - 23 Sep Scandinavian Airlines
04 Sep - 09 Sep Pegasus Airlines
07 Sep - 09 Sep Pegasus Airlines
02 Sep - 09 Sep Norwegian Air Sweden AOC direct
02 Sep - 20 Sep Norwegian Air Sweden AOC direct
09 Sep - 27 Sep Norwegian Air Sweden AOC direct
29 Sep - 06 Oct Wizz Air Malta
29 Sep - 05 Oct Wizz Air Malta
30 Sep - 05 Oct Pegasus Airlines
15 Sep - 01 Oct SKY express
29 Sep - 03 Oct Ryanair
30 Sep - 21 Oct Norwegian Air Sweden AOC direct
23 Sep - 07 Oct Norwegian Air Sweden AOC
23 Sep - 07 Oct Norwegian Air Sweden AOC direct
16 Sep - 07 Oct Norwegian Air Sweden AOC
16 Sep - 07 Oct 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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