Cheapest return SDR–STN flights, December

AirHint found the following cheapest return flights from Santander (SDR) to London (STN) in December 2026 (see full year).

Return flights

02 Dec - 06 Dec Iberia
13 Dec - 17 Dec Vueling Airlines
03 Dec - 07 Dec Vueling Airlines
19 Dec - 21 Dec Iberia
19 Dec - 22 Dec Iberia
17 Dec - 20 Dec Vueling Airlines
18 Dec - 21 Dec Iberia
18 Dec - 20 Dec Iberia

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

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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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