AirHint found the following cheapest return flights from Santander (SDR) to Copenhagen (CPH) in October 2025 (see full year).

Return flights

10 Oct - 16 Oct	Ryanair
03 Oct - 07 Oct	Ryanair
13 Oct - 16 Oct	Vueling Airlines
03 Oct - 06 Oct	Ryanair
06 Oct - 16 Oct	Vueling Airlines
02 Oct - 06 Oct	Vueling Airlines
01 Oct - 08 Oct	Vueling Airlines
24 Oct - 31 Oct	Vueling Airlines
03 Oct - 08 Oct	Ryanair
03 Oct - 16 Oct	Vueling Airlines

Also check the deals for one-way flights from Santander to Copenhagen in October.

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 Copenhagen in October from $148

Return flights