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

Return flights

24 Sep - 01 Oct	Ryanair	direct
17 Sep - 24 Sep	Ryanair	direct
24 Sep - 27 Sep	Ryanair	direct
27 Sep - 01 Oct	Ryanair
17 Sep - 20 Sep	Ryanair
24 Sep - 29 Sep	Ryanair
27 Sep - 08 Oct	Ryanair
27 Sep - 30 Sep	Ryanair
20 Sep - 27 Sep	Ryanair	direct
20 Sep - 24 Sep	Ryanair	direct
17 Sep - 22 Sep	Ryanair
24 Sep - 28 Sep	Ryanair
17 Sep - 20 Sep	Ryanair	direct
27 Sep - 01 Oct	Ryanair	direct
30 Sep - 06 Oct	Ryanair
27 Sep - 08 Oct	Ryanair	direct
29 Sep - 14 Oct	Vueling Airlines
27 Sep - 14 Oct	Vueling Airlines
24 Sep - 14 Oct	Vueling Airlines

Also check the deals for one-way flights from Santander to Vienna 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 Vienna in September from 63€

Return flights