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

Return flights

10 Sep - 17 Sep	Ryanair
20 Sep - 23 Sep	Ryanair
17 Sep - 24 Sep	Ryanair
02 Sep - 09 Sep	Ryanair
22 Sep - 26 Sep	Ryanair
12 Sep - 16 Sep	Ryanair
23 Sep - 30 Sep	Ryanair
15 Sep - 21 Sep	Ryanair
04 Sep - 08 Sep	KLM
04 Sep - 10 Sep	KLM
30 Sep - 07 Oct	KLM
27 Sep - 04 Oct	Ryanair
29 Sep - 06 Oct	Ryanair
29 Sep - 04 Oct	Ryanair
21 Sep - 04 Oct	Ryanair
27 Sep - 05 Oct	Ryanair

Also check the deals for one-way flights from Bremen to Lisbon 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 Lisbon in September from $199

Return flights