Cheapest return flights from Athens to Helsinki in September from 147€

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

Return flights

22 Sep - 29 Sep Aegean Airlines direct
01 Sep - 08 Sep Aegean Airlines direct
01 Sep - 05 Sep Aegean Airlines direct
18 Sep - 20 Sep Aegean Airlines direct
15 Sep - 29 Sep Norwegian Air Sweden AOC
01 Sep - 15 Sep Norwegian Air Sweden AOC
01 Sep - 22 Sep Norwegian Air Sweden AOC
21 Sep - 27 Sep Aegean Airlines
15 Sep - 06 Oct Norwegian Air Sweden AOC
15 Sep - 22 Sep Norwegian Air Sweden AOC
01 Sep - 15 Sep Norwegian Air Sweden AOC direct
22 Sep - 06 Oct Norwegian Air Sweden AOC
26 Sep - 06 Oct Norwegian Air Sweden AOC
19 Sep - 06 Oct Norwegian Air Sweden AOC
29 Sep - 20 Oct Norwegian Air Sweden AOC direct
15 Sep - 03 Oct Norwegian Air Sweden AOC
22 Sep - 13 Oct Norwegian Air Sweden AOC
29 Sep - 06 Oct Norwegian Air Sweden AOC
22 Sep - 13 Oct Norwegian Air Sweden AOC direct
15 Sep - 06 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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