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

Return flights

03 Dec - 07 Dec	Vueling Airlines
03 Dec - 10 Dec	Vueling Airlines
07 Dec - 10 Dec	easyJet
09 Dec - 10 Dec	Vueling Airlines
03 Dec - 12 Dec	Vueling Airlines
09 Dec - 12 Dec	Vueling Airlines
11 Dec - 15 Dec	easyJet
09 Dec - 15 Dec	Vueling Airlines
11 Dec - 12 Dec	Vueling Airlines
12 Dec - 15 Dec	Vueling Airlines
19 Dec - 03 Jan	Lufthansa
23 Dec - 05 Jan	Vueling Airlines
25 Dec - 05 Jan	Vueling Airlines
19 Dec - 05 Jan	Vueling Airlines
26 Dec - 05 Jan	Vueling Airlines

Also check the deals for one-way flights from Bilbao to Hamburg 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 Hamburg in December from 125€

Return flights