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

Return flights

25 Dec - 12 Jan	Vueling Airlines
26 Dec - 12 Jan	Iberia
25 Dec - 15 Jan	Vueling Airlines
25 Dec - 06 Jan	Vueling Airlines
26 Dec - 15 Jan	Vueling Airlines
23 Dec - 12 Jan	Vueling Airlines
23 Dec - 06 Jan	Vueling Airlines
26 Dec - 06 Jan	Vueling Airlines
19 Dec - 06 Jan	Vueling Airlines
30 Dec - 06 Jan	Iberia
01 Dec - 05 Dec	Iberia
01 Dec - 03 Dec	Vueling Airlines
01 Dec - 10 Dec	Vueling Airlines
11 Dec - 15 Dec	Vueling Airlines
25 Dec - 31 Dec	Vueling Airlines
25 Dec - 30 Dec	Vueling Airlines
10 Dec - 27 Dec	Iberia
01 Dec - 15 Dec	Vueling Airlines
23 Dec - 31 Dec	Vueling Airlines
23 Dec - 30 Dec	Vueling Airlines

Also check the deals for one-way flights from San Sebastian to Duesseldorf 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 San Sebastian to Duesseldorf in December from 210€

Return flights