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

Return flights

19 Dec - 06 Jan	Vueling Airlines
07 Dec - 15 Dec	Vueling Airlines
08 Dec - 15 Dec	Vueling Airlines
26 Dec - 06 Jan	Vueling Airlines
19 Dec - 22 Dec	Vueling Airlines
20 Dec - 30 Dec	Vueling Airlines
07 Dec - 22 Dec	Vueling Airlines
19 Dec - 30 Dec	Vueling Airlines
08 Dec - 22 Dec	Vueling Airlines
19 Dec - 29 Dec	Lufthansa
05 Dec - 15 Dec	Vueling Airlines
26 Dec - 30 Dec	Vueling Airlines

Also check the deals for one-way flights from Bilbao 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 Bilbao to Duesseldorf in December from $157

Return flights