Cheapest return flights from Athens to Helsinki in September from $218

AirHint found the following cheapest return flights from Athens (ATH) to Helsinki (HEL) in September 2026 (see full year).

Return flights

04 Sep - 08 Sep Aegean Airlines
01 Sep - 08 Sep Aegean Airlines
06 Sep - 08 Sep Aegean Airlines
01 Sep - 06 Sep Aegean Airlines
01 Sep - 05 Sep Aegean Airlines direct
04 Sep - 12 Sep Aegean Airlines
08 Sep - 12 Sep Aegean Airlines
22 Sep - 29 Sep Aegean Airlines direct
06 Sep - 09 Sep Aegean Airlines
06 Sep - 10 Sep Aegean Airlines
26 Sep - 04 Oct SKY express
28 Sep - 06 Oct Air Serbia
29 Sep - 20 Oct Norwegian Air Sweden AOC
22 Sep - 06 Oct Norwegian Air Sweden AOC
29 Sep - 06 Oct Norwegian Air Sweden AOC
29 Sep - 20 Oct Norwegian Air Sweden AOC direct
19 Sep - 06 Oct Norwegian Air Sweden AOC
29 Sep - 17 Oct Norwegian Air Sweden AOC
22 Sep - 06 Oct Norwegian Air Sweden AOC direct
26 Sep - 06 Oct Norwegian Air Sweden AOC

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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