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

Return flights

29 Sep - 31 Oct	Ryanair
30 Sep - 07 Oct	Ryanair
23 Sep - 29 Sep	Air France
23 Sep - 30 Sep	Air France
24 Sep - 30 Sep	KLM
24 Sep - 29 Sep	KLM
10 Sep - 16 Sep	Air France
25 Sep - 06 Oct	KLM
24 Sep - 06 Oct	Vueling Airlines
30 Sep - 03 Oct	Ryanair
30 Sep - 06 Oct	Ryanair
24 Sep - 05 Oct	Vueling Airlines
28 Sep - 30 Sep	Ryanair
24 Sep - 27 Sep	Vueling Airlines
29 Sep - 06 Oct	Ryanair
30 Sep - 05 Oct	Ryanair
22 Sep - 27 Sep	Vueling Airlines
29 Sep - 30 Sep	Ryanair
29 Sep - 08 Oct	Ryanair
25 Sep - 30 Sep	Vueling Airlines

Also check the deals for one-way flights from Lisbon to Berlin 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 Lisbon to Berlin in September from $208

Return flights