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

Return flights

07 Sep - 15 Sep	Air Serbia
01 Sep - 15 Sep	Air Serbia
03 Sep - 15 Sep	Air Serbia
04 Sep - 15 Sep	Air Serbia
12 Sep - 19 Sep	Air Serbia
10 Sep - 15 Sep	Air Serbia
28 Sep - 06 Oct	Air Serbia
29 Sep - 08 Oct	Air Serbia
28 Sep - 08 Oct	Air Serbia
24 Sep - 08 Oct	Air Serbia
05 Sep - 22 Sep	Air Serbia
28 Sep - 02 Oct	Air Serbia
12 Sep - 22 Sep	Air Serbia
28 Sep - 07 Oct	Air Serbia
24 Sep - 07 Oct	Air Serbia
27 Sep - 06 Oct	Ryanair
23 Sep - 27 Sep	Ryanair
14 Sep - 23 Sep	Air Serbia
18 Sep - 02 Oct	Aegean Airlines
28 Sep - 09 Oct	Air Serbia

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

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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Cheapest return flights from Berlin to Athens in September from $169

Return flights