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

Return flights

30 Sep - 07 Oct	Ryanair
24 Sep - 02 Oct	Ryanair
09 Sep - 16 Sep	Ryanair
08 Sep - 17 Sep	Ryanair
01 Sep - 12 Sep	Ryanair
16 Sep - 23 Sep	Ryanair
10 Sep - 22 Sep	Ryanair
07 Sep - 11 Sep	Ryanair
22 Sep - 01 Oct	Lufthansa
27 Sep - 29 Sep	Ryanair
12 Sep - 16 Sep	Ryanair
01 Sep - 07 Sep	Ryanair
05 Sep - 15 Sep	Ryanair
18 Sep - 03 Oct	Pegasus Airlines

Also check the deals for one-way flights from Bremen 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 Bremen to Athens in September from 183€

Return flights