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

Return flights

08 Dec - 10 Dec	Vueling Airlines
16 Dec - 19 Dec	easyJet
06 Dec - 10 Dec	Vueling Airlines
07 Dec - 10 Dec	Vueling Airlines
14 Dec - 17 Dec	Vueling Airlines
08 Dec - 12 Dec	Vueling Airlines
01 Dec - 03 Dec	Volotea
13 Dec - 16 Dec	Vueling Airlines
06 Dec - 11 Dec	Vueling Airlines
09 Dec - 12 Dec	Vueling Airlines
31 Dec - 04 Jan	Vueling Airlines
24 Dec - 06 Jan	Iberia
27 Dec - 04 Jan	Air Europa
27 Dec - 05 Jan	Air Europa
29 Dec - 02 Jan	Vueling Airlines
30 Dec - 03 Jan	Air Europa

Also check the deals for one-way flights from Bilbao to Budapest 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 Budapest in December from 107€

Return flights