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

Return flights

16 Sep - 29 Sep	easyJet
16 Sep - 30 Sep	easyJet
24 Sep - 30 Sep	easyJet
09 Sep - 16 Sep	Air France
28 Sep - 05 Oct	TAP
30 Sep - 06 Oct	Ryanair
23 Sep - 30 Sep	Vueling Airlines
30 Sep - 07 Oct	Ryanair
24 Sep - 06 Oct	Vueling Airlines
25 Sep - 30 Sep	KLM
23 Sep - 29 Sep	Air France
10 Sep - 16 Sep	Air France
25 Sep - 06 Oct	KLM
10 Sep - 17 Sep	Air France
27 Sep - 30 Sep	Air Europa
30 Sep - 05 Oct	Ryanair
29 Sep - 06 Oct	Ryanair
24 Sep - 15 Oct	Vueling Airlines
25 Sep - 08 Oct	Vueling Airlines
24 Sep - 14 Oct	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 186€

Return flights