Cheapest return flights from San Sebastian to London in December from 306€

AirHint found the following cheapest return flights from San Sebastian (EAS) to London (LCY) in December 2025 (see full year).

Return flights

26 Dec - 31 Dec Iberia
02 Dec - 07 Dec Iberia
12 Dec - 15 Dec Iberia
02 Dec - 15 Dec Iberia
04 Dec - 07 Dec Iberia
13 Dec - 16 Dec Iberia
30 Dec - 04 Jan Iberia
20 Dec - 24 Dec Iberia
06 Dec - 09 Dec Iberia
18 Dec - 22 Dec Iberia
18 Dec - 21 Dec Iberia
29 Dec - 02 Jan Iberia

Also check the deals for one-way flights from San Sebastian 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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