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

Return flights

10 Sep - 24 Sep	easyJet
23 Sep - 30 Sep	easyJet
10 Sep - 16 Sep	Transavia France
08 Sep - 16 Sep	Transavia France
11 Sep - 16 Sep	Transavia France
01 Sep - 30 Sep	easyJet
15 Sep - 23 Sep	easyJet
08 Sep - 10 Sep	easyJet
28 Sep - 01 Oct	easyJet
09 Sep - 23 Sep	easyJet
25 Sep - 30 Sep	easyJet
25 Sep - 01 Oct	easyJet
29 Sep - 07 Oct	Ryanair
28 Sep - 11 Oct	easyJet
17 Sep - 03 Oct	easyJet
23 Sep - 03 Oct	easyJet
27 Sep - 08 Oct	easyJet
30 Sep - 07 Oct	Ryanair
17 Sep - 01 Oct	Vueling Airlines
27 Sep - 01 Oct	easyJet

Also check the deals for one-way flights from Berlin 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 Berlin to Lisbon in September from $161

Return flights