Cheapest return flights from London to San Sebastian in December from 213€

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

Return flights

04 Dec - 07 Dec Iberia
04 Dec - 08 Dec Iberia
18 Dec - 22 Dec Iberia
11 Dec - 15 Dec Iberia
18 Dec - 06 Jan Iberia
14 Dec - 21 Dec Iberia
12 Dec - 16 Dec Iberia
24 Dec - 28 Dec Iberia
24 Dec - 01 Jan Iberia
12 Dec - 14 Dec British Airways
23 Dec - 30 Dec Iberia
21 Dec - 28 Dec British Airways
30 Dec - 02 Jan Iberia
21 Dec - 04 Jan British Airways
21 Dec - 04 Jan British Airways direct
27 Dec - 04 Jan KLM

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

Skyscanner

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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