Cheapest return flights from Athens to Helsinki in September from $213

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 Ryanair
02 Sep - 16 Sep Aegean Airlines direct
22 Sep - 27 Sep Pegasus Airlines
06 Sep - 27 Sep Norwegian Air Sweden AOC direct
09 Sep - 27 Sep Norwegian Air Sweden AOC direct
17 Sep - 22 Sep Wizz Air Malta
25 Sep - 29 Sep Ryanair
18 Sep - 23 Sep Ryanair
19 Sep - 27 Sep Aegean Airlines direct
27 Sep - 30 Sep SKY express
29 Sep - 04 Oct Pegasus Airlines
29 Sep - 06 Oct Aegean Airlines
30 Sep - 04 Oct Ryanair
16 Sep - 07 Oct Norwegian Air Sweden AOC
23 Sep - 07 Oct Norwegian Air Sweden AOC
23 Sep - 14 Oct Norwegian Air Sweden AOC
30 Sep - 05 Oct Ryanair
26 Sep - 04 Oct SKY express
28 Sep - 01 Oct SKY express
28 Sep - 04 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.

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