AirHint found the following cheapest return flights from Edinburgh (EDI) to Santander (SDR) in December 2025 (see full year).

Return flights

06 Dec - 09 Dec	Ryanair
06 Dec - 08 Dec	Ryanair
06 Dec - 08 Dec	Ryanair	direct
09 Dec - 11 Dec	easyJet
10 Dec - 11 Dec	Ryanair
23 Dec - 30 Dec	Ryanair	direct
30 Dec - 10 Jan	Ryanair	direct
08 Dec - 11 Dec	Ryanair
20 Dec - 30 Dec	Ryanair	direct
29 Dec - 03 Jan	Ryanair	direct
30 Dec - 06 Jan	Ryanair
23 Dec - 03 Jan	Ryanair	direct
29 Dec - 05 Jan	Ryanair
20 Dec - 10 Jan	Ryanair	direct
18 Dec - 27 Dec	Ryanair
22 Dec - 05 Jan	Ryanair
29 Dec - 05 Jan	Ryanair	direct
20 Dec - 23 Dec	Ryanair	direct
22 Dec - 05 Jan	Ryanair	direct

Also check the deals for one-way flights from Edinburgh to Santander in December.

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 Edinburgh to Santander in December from $114

Return flights