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

Return flights

24 Sep - 27 Sep	Ryanair
26 Sep - 29 Sep	Ryanair
20 Sep - 24 Sep	Ryanair
26 Sep - 28 Sep	Ryanair
01 Sep - 07 Sep	Ryanair
08 Sep - 12 Sep	Vueling Airlines
18 Sep - 22 Sep	Ryanair
16 Sep - 17 Sep	Iberia
17 Sep - 18 Sep	Iberia

Also check the deals for one-way flights from Santander 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 Santander to Berlin in September from 170€

Return flights