Cheapest return flights from Bilbao to Bucharest in December from $258

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

Return flights

17 Dec - 24 Dec Vueling Airlines
22 Dec - 06 Jan Volotea
24 Dec - 03 Jan Vueling Airlines
20 Dec - 05 Jan Volotea
24 Dec - 31 Dec Vueling Airlines
30 Dec - 03 Jan Vueling Airlines
19 Dec - 23 Dec Air Europa
23 Dec - 04 Jan Volotea
30 Dec - 02 Jan Vueling Airlines
19 Dec - 03 Jan Air Europa
15 Dec - 21 Dec easyJet
24 Dec - 30 Dec Vueling Airlines
18 Dec - 25 Dec Vueling Airlines
27 Dec - 30 Dec Vueling Airlines
19 Dec - 04 Jan Air Europa
26 Dec - 30 Dec Vueling Airlines
29 Dec - 02 Jan Vueling Airlines
22 Dec - 28 Dec Vueling Airlines
31 Dec - 04 Jan Vueling Airlines
15 Dec - 22 Dec Turkish Airlines

Also check the deals for one-way flights from Bilbao to Bucharest in December.

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