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

Return flights

20 Dec - 03 Jan	Vueling Airlines
19 Dec - 05 Jan	Vueling Airlines
20 Dec - 05 Jan	Vueling Airlines
25 Dec - 01 Jan	Vueling Airlines
24 Dec - 04 Jan	Vueling Airlines
31 Dec - 03 Jan	easyJet
22 Dec - 05 Jan	Vueling Airlines
10 Dec - 13 Dec	easyJet
31 Dec - 06 Jan	easyJet
06 Dec - 10 Dec	Air Europa
18 Dec - 08 Jan	Vueling Airlines
21 Dec - 11 Jan	Volotea
06 Dec - 13 Dec	Air Europa
07 Dec - 11 Dec	Lufthansa
08 Dec - 11 Dec	Lufthansa
07 Dec - 12 Dec	Lufthansa
12 Dec - 14 Dec	Vueling Airlines
11 Dec - 14 Dec	Vueling Airlines
10 Dec - 15 Dec	Lufthansa
01 Dec - 06 Dec	Lufthansa

Also check the deals for one-way flights from Bilbao to Berlin 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 Berlin in December from $119

Return flights