AirHint found the following cheapest one-way flights from Bilbao (BIO) to Budapest (BUD) in December 2025 (see full year).
One-Way flights
| 29 Dec | Wizz Air | direct | |
| 31 Dec | Vueling Airlines | ||
| 28 Dec | Vueling Airlines | ||
| 27 Dec | Vueling Airlines | ||
| 25 Dec | Iberia |
Also check the deals for return flights from Bilbao to Budapest in December.
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