AirHint found the following cheapest one-way flights from Bilbao (BIO) to Vienna (VIE) in December 2025 (see full year).

One-Way flights

18 Dec	Wizz Air Malta	direct
14 Dec	Wizz Air Malta	direct
25 Dec	Wizz Air Malta	direct
07 Dec	Wizz Air Malta	direct
28 Dec	Wizz Air Malta	direct
24 Dec	Vueling Airlines
06 Dec	Vueling Airlines
01 Dec	Vueling Airlines
03 Dec	Vueling Airlines
22 Dec	Vueling Airlines

Also check the deals for return flights from Bilbao to Vienna 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 one-way flights from Bilbao to Vienna in December from $35

One-Way flights