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

Return flights

21 Sep - 28 Sep	Ryanair	direct
28 Sep - 01 Oct	Ryanair	direct
27 Sep - 28 Sep	Ryanair
28 Sep - 05 Oct	Ryanair	direct
21 Sep - 24 Sep	Ryanair
21 Sep - 25 Sep	Ryanair
14 Sep - 21 Sep	Ryanair	direct
30 Sep - 14 Oct	Vueling Airlines
23 Sep - 30 Oct	Vueling Airlines
30 Sep - 06 Oct	Vueling Airlines
24 Sep - 30 Oct	Ryanair
30 Sep - 21 Oct	Vueling Airlines
17 Sep - 18 Sep	Ryanair
23 Sep - 14 Oct	Vueling Airlines
23 Sep - 06 Oct	Vueling Airlines
18 Sep - 06 Oct	Vueling Airlines
13 Sep - 15 Sep	Ryanair
10 Sep - 14 Sep	Ryanair
18 Sep - 23 Sep	Vueling Airlines
12 Sep - 23 Sep	Vueling Airlines

Also check the deals for one-way flights from Bologna to Santander 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 Bologna to Santander in September from 42€

Return flights